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288cb34ead
1301436 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
288cb34ead |
power supply and reset changes for the 6.12 series
* power-supply core
- introduce power_supply_show_enum_with_available() helper
- change usb_types from an array into a bitmask
- fix early usage of power_supply_property_is_writeable() resulting
in sysfs files not being writable
- fix missing temp1_max_alarm attribute in power-supply's hwmon devices
* drivers
- max1720x: expose nvmem device
- brcmstb: cleanup driver to use latest APIs
- max77693: expose input and charging current limit
- max17042_battery: fix state of charge reading for devices without
current sensing
- axp20x_battery: add AXP717 support
- axp20x_battery: fix min/max voltage properties
- axp20x_usb_power: add AXP717 support
- axp20x_usb_power: add DT based input current limit
* Documentation updates
* misc. minor cleanups and fixes
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Merge tag 'for-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"Power-supply core:
- introduce power_supply_show_enum_with_available() helper
- change usb_types from an array into a bitmask
- fix early usage of power_supply_property_is_writeable() resulting
in sysfs files not being writable
- fix missing temp1_max_alarm attribute in power-supply's hwmon
devices
Drivers:
- max1720x: expose nvmem device
- brcmstb: cleanup driver to use latest APIs
- max77693: expose input and charging current limit
- max17042_battery: fix state of charge reading for devices without
current sensing
- axp20x_battery: add AXP717 support
- axp20x_battery: fix min/max voltage properties
- axp20x_usb_power: add AXP717 support
- axp20x_usb_power: add DT based input current limit
Documentation updates
Misc minor cleanups and fixes"
* tag 'for-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (38 commits)
power: supply: hwmon: Fix missing temp1_max_alarm attribute
power: supply: Drop use_cnt check from power_supply_property_is_writeable()
power: supply: ab8500: Constify struct kobj_type
power: supply: max1720x: fix a double free on error in probe()
power: supply: axp20x_battery: add support for AXP717
power: supply: axp20x_usb_power: Add support for AXP717
dt-bindings: power: supply: axp20x: Add AXP717 compatible
dt-bindings: power: supply: axp20x: Add AXP717 compatible
power: supply: axp20x_usb_power: Fix spelling mistake "reqested" -> "requested"
power: supply: Change usb_types from an array into a bitmask
power: supply: sysfs: Move power_supply_show_enum_with_available() up
power: supply: sysfs: Add power_supply_show_enum_with_available() helper
power: supply: rt9467-charger: Remove "usb_type" property write support
power: supply: ucs1002: Adjust ucs1002_set_usb_type() to accept string values
power: supply: "usb_type" property may be written to
power: supply: max1720x: add read support for nvmem
mfd: axp20x: Add ADC, BAT, and USB cells for AXP717
power: supply: core: constify psy_tzd_ops
power: reset: brcmstb: Do not go into infinite loop if reset fails
power: reset: brcmstb: Use devm_register_sys_off_handler()
...
|
||
|
Linus Torvalds
|
bfbb96324a |
HSI changes for the 6.12 series
* omap-ssi: remove unnecessary debugfs_create_dir() error check -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE72YNB0Y/i3JqeVQT2O7X88g7+poFAmbnPX8ACgkQ2O7X88g7 +pqYIA//UlaVwlDKWjxvD1bmWa9fK6/rxVQgwiyEhx2hMM/zl39T8XWffNj95WpV tQWRQayoyZXH8Dj23UWUL0xfLX3HBDi///o6whDdol/xArJR5t2oYE45W85GJWXp 1IfrFD71VZcYeDiuuQdh+JovPZgzURLfyqcIRXfc1939f3BbDSPEkZFtFH7qf+PP TWyJ2pfeFScC0Gds3PL9jyd8mvt69kiMgxNX5rH+/Oqact/KR9fWZMzZWLgOShPF Lg0eOSibQyS+dZm9QBi3+Z9pqSnreo70bF2uJMb68COBGpTjelcjEpBgsGuol4DU MPR6iYgseBDx19Leu2fnZyMGGZ2nuh0Aj3438NFrei8VxgPktJ8APYjFzy91Qu2f Pw/KPgeRrLv5+7bMaqaf1wCat/2cuucYQcsTEYn5CG7PfGmLlrbSpbcLfW9wIQVy /deC10xYAxQXPvRbZ4/b3Bt0kJOglpYc2S8Wje0SQSvPfr+6yZ/QW45Q0aKgKxi/ Uy5GRtpbYpeOlXFOtwO3MpgNwXqELxqbux2rLpFAQVlWqpZcA0mrpeU6YYgorvLb N3lmmFar0K5y8CxOpfFFCTptVyNBOwpLVbOi2VoALO1US7NWDQUG/DbmQbnig6f+ ZyjFpDl5XgZSRrqj+95CLOjs3JHCFtObJx3TKw2SoWrlK9SBPNg= =SuzL -----END PGP SIGNATURE----- Merge tag 'hsi-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi Pull HSI update from Sebastian Reichel: - omap-ssi: remove unnecessary debugfs_create_dir() error check * tag 'hsi-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi: HSI: omap-ssi: Remove unnecessary debugfs_create_dir() error check |
||
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Linus Torvalds
|
bdf56c7580 |
slab updates for 6.12
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Merge tag 'slab-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
Pull slab updates from Vlastimil Babka:
"This time it's mostly refactoring and improving APIs for slab users in
the kernel, along with some debugging improvements.
- kmem_cache_create() refactoring (Christian Brauner)
Over the years have been growing new parameters to
kmem_cache_create() where most of them are needed only for a small
number of caches - most recently the rcu_freeptr_offset parameter.
To avoid adding new parameters to kmem_cache_create() and adjusting
all its callers, or creating new wrappers such as
kmem_cache_create_rcu(), we can now pass extra parameters using the
new struct kmem_cache_args. Not explicitly initialized fields
default to values interpreted as unused.
kmem_cache_create() is for now a wrapper that works both with the
new form: kmem_cache_create(name, object_size, args, flags) and the
legacy form: kmem_cache_create(name, object_size, align, flags,
ctor)
- kmem_cache_destroy() waits for kfree_rcu()'s in flight (Vlastimil
Babka, Uladislau Rezki)
Since SLOB removal, kfree() is allowed for freeing objects
allocated by kmem_cache_create(). By extension kfree_rcu() as
allowed as well, which can allow converting simple call_rcu()
callbacks that only do kmem_cache_free(), as there was never a
kmem_cache_free_rcu() variant. However, for caches that can be
destroyed e.g. on module removal, the cache owners knew to issue
rcu_barrier() first to wait for the pending call_rcu()'s, and this
is not sufficient for pending kfree_rcu()'s due to its internal
batching optimizations. Ulad has provided a new
kvfree_rcu_barrier() and to make the usage less error-prone,
kmem_cache_destroy() calls it. Additionally, destroying
SLAB_TYPESAFE_BY_RCU caches now again issues rcu_barrier()
synchronously instead of using an async work, because the past
motivation for async work no longer applies. Users of custom
call_rcu() callbacks should however keep calling rcu_barrier()
before cache destruction.
- Debugging use-after-free in SLAB_TYPESAFE_BY_RCU caches (Jann Horn)
Currently, KASAN cannot catch UAFs in such caches as it is legal to
access them within a grace period, and we only track the grace
period when trying to free the underlying slab page. The new
CONFIG_SLUB_RCU_DEBUG option changes the freeing of individual
object to be RCU-delayed, after which KASAN can poison them.
- Delayed memcg charging (Shakeel Butt)
In some cases, the memcg is uknown at allocation time, such as
receiving network packets in softirq context. With
kmem_cache_charge() these may be now charged later when the user
and its memcg is known.
- Misc fixes and improvements (Pedro Falcato, Axel Rasmussen,
Christoph Lameter, Yan Zhen, Peng Fan, Xavier)"
* tag 'slab-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab: (34 commits)
mm, slab: restore kerneldoc for kmem_cache_create()
io_uring: port to struct kmem_cache_args
slab: make __kmem_cache_create() static inline
slab: make kmem_cache_create_usercopy() static inline
slab: remove kmem_cache_create_rcu()
file: port to struct kmem_cache_args
slab: create kmem_cache_create() compatibility layer
slab: port KMEM_CACHE_USERCOPY() to struct kmem_cache_args
slab: port KMEM_CACHE() to struct kmem_cache_args
slab: remove rcu_freeptr_offset from struct kmem_cache
slab: pass struct kmem_cache_args to do_kmem_cache_create()
slab: pull kmem_cache_open() into do_kmem_cache_create()
slab: pass struct kmem_cache_args to create_cache()
slab: port kmem_cache_create_usercopy() to struct kmem_cache_args
slab: port kmem_cache_create_rcu() to struct kmem_cache_args
slab: port kmem_cache_create() to struct kmem_cache_args
slab: add struct kmem_cache_args
slab: s/__kmem_cache_create/do_kmem_cache_create/g
memcg: add charging of already allocated slab objects
mm/slab: Optimize the code logic in find_mergeable()
...
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||
|
Linus Torvalds
|
efdfcd40ad |
lkmm: Add documentation and mailing list
This pull request contains documentation updates from Andrea Parri and Akira Yokosawa. Also, there is now an lkmm@lists.linux.dev, and Boqun Feng's update adds this to the LKMM MAINTAINERS entry. Not included in this pull request are a couple of more commits from Puranjay Mohan adding more atomic operations to LKMM, but these await a herdtools7 release that includes tool-side support for this functionality. With luck, I will send a separate pull request for these later in the merge window. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEbK7UrM+RBIrCoViJnr8S83LZ+4wFAmblNc0THHBhdWxtY2tA a2VybmVsLm9yZwAKCRCevxLzctn7jMvOEACFyAA6YLyke0322jofnmuRG/RL16IX SmGL5InhhvOYbMEqFQ3PJCb2hjJkOJx0omw5sbV2LPVD77h+pmIFQ6owMO2xkN1T vCZulz1Nn/9+qr4l7gPDERokCl7bpH7IoCD3AXLni/nZjRKQ1xysCI9RqgyGtTOn AuHuDPbYsB7KC3WqLwedIsGgUatmCm8qM1DzpvxzU6R5/nMKmxlaQ+87bXEz3L92 QUqHpw1oDr0M4WaFpum/SAGKV2ZF9lbHzvPnH1I0qu0DEYvzV70cilaT2rKgpMGm OQMA97TIgpXKIsmdO7rHCHaSEADRCC4/qznom2qkGZ1FAaR+63hcvns7hiLZNKbj l60lG0g2YpRXnSj4HE1xaQUKmmEbdyK34QRHDFzlBA3CCAOINnCin9OE5lySgXHm XVcUGk40nlCugIXh2tOg60voScGqzJry9P3wOCNzb5oMGbDdB5kPEHaNsDst1YF+ S5htzegm43EKVtUiU/p2f6PT1J/FY54PD1guTpbtcIdoPzl5YK29yJM23TBqHXzr ZQcLgHNzFzfd1scLTqpAYuSf/C8ivkWt1U3QbzViCbgEejqbybAKVQi+0WX5PJHG 8YCnmmbDestyaG/Kenix97zR9AJIfAbUqR2uhMJmhBMXoryfIAZB64vRizsmxEPl FWnxDZdZ2t+g+g== =quz0 -----END PGP SIGNATURE----- Merge tag 'lkmm.2024.09.14b' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu Pull memory model doc updates from Paul McKenney: "lkmm: Add documentation and mailing list This contains documentation updates from Andrea Parri and Akira Yokosawa. Also, there is now an lkmm@lists.linux.dev, and Boqun Feng's update adds this to the LKMM MAINTAINERS entry. Not included are a couple of more commits from Puranjay Mohan adding more atomic operations to LKMM, but these await a herdtools7 release that includes tool-side support for this functionality. With luck, I will send a separate pull request for these later in the merge window" * tag 'lkmm.2024.09.14b' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: MAINTAINERS: Add the dedicated maillist info for LKMM docs/memory-barriers.txt: Remove left-over references to "CACHE COHERENCY" tools/memory-model: simple.txt: Fix stale reference to recipes-pairs.txt tools/memory-model: Add locking.txt and glossary.txt to README tools/memory-model: Document herd7 (abstract) representation |
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Linus Torvalds
|
6d450d120f |
exit: Sleep at TASK_IDLE when waiting for application core dump
This causes the coredump_task_exit() function to sleep at TASK_IDLE, thus preventing task-blocked splats in case of large core dumps to slow devices. -----BEGIN PGP SIGNATURE----- iQJGBAABCgAxFiEEbK7UrM+RBIrCoViJnr8S83LZ+4wFAmbkUkMTHHBhdWxtY2tA a2VybmVsLm9yZwAKCRCevxLzctn7jMbzD/dgDW8DT5JZRjIBXKiJSOABCzk0a+CE dpe+39FvaWNM7m8RnF0rAlqZGqSFDFG31EtpVMI0fGgl8a0qgfGOXMz3AnrXa3gJ lbepvXC+iui1EzfcDT4WxM+k5TqvANq4vA6FIIdRZG0xZoJo4f3PyAPITnFME51k nLYjj4pkVlJRVfJh+CNW0hax40HrFqQF8f+AtNk5lGlErsOXmem3t3cRARbeAowr NmWnReRsBo5llokMMpd5VwqX05ATA/clJ7fHY+R0OfzvnVJAHVUqPrwSHsod6kx/ g8bH89gfa8/iqNn9lYhOIo5bqmLPq1mikm15xkoOEXaLZwyCSnJr6NJQNPlEipiX 0MTM4ByFFLGKApqzNM2nY0bacpXKu+JKe8tXiq1tgiKC4BrRdvunXX2dnVDMiods XYbFp5lC9+n8TB+q2bKnR2FlVl1d4HcMoBjyyqs9BNepHdCjBdy81b6t9DeYe/2f snjHM1LSBIhBgidh5tr0NigDujGBs7DT4VgvL9kX9cOgDMByogzUPxHPIGafj+nW VVuVSJB7sagrhLPM9Q5CdFiYIz+JuRiDJKGAMWJBqIvuBAnJEJqYKpAiN/6x0M9+ ck27tO9iNEEfLWBcwdR9AHT7saTYeeGjnOlCBlSFy78dWqy/0UEP6rE4WmMCFqgc PrEJOcovvwrV =Zfzl -----END PGP SIGNATURE----- Merge tag 'misc.2024.09.14a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu Pull core dump update from Paul McKenney: "Sleep at TASK_IDLE when waiting for application core dump This causes the coredump_task_exit() function to sleep at TASK_IDLE, thus preventing task-blocked splats in case of large core dumps to slow devices" * tag 'misc.2024.09.14a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: exit: Sleep at TASK_IDLE when waiting for application core dump |
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Linus Torvalds
|
e651e0a473 |
kcsan: Use min() to fix Coccinelle warning.
Courtesy of Thorsten Blum. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEbK7UrM+RBIrCoViJnr8S83LZ+4wFAmbkUUsTHHBhdWxtY2tA a2VybmVsLm9yZwAKCRCevxLzctn7jGEnD/sEiP5m08fb/edp1witLnAmR3Fs9xif OXju24ny3zyOvuQji6RhbOD9QEEPiM2nnrsjhsfDYdLMlaJ0gn0PFewSQN5T/SqE OfHuWlMH23hZ4Gt3gO1wZBVn3GRcVtLvAzuDm2mnKtAYYjS+GftDMyz68IjCt1RQ KDPtHREjUuwhhWxXgYEKwW9fTF4qPIbjySOQW/Sh1Qghz1Mf2r2Sme8uf4jq69np GlX9Lvij2upiDjrDDScXpwPpqjbTrQV/X1J5bHmlmUw0iZewH9qH2dVAd/wRPOtI O8B1C9FIUjHKgi+WWCwrO+NJrUcA5m3WBIwvdgEADNbd6BXdu9Dd89r3WYVyxQkq fHC0LttnMGKyu9NdYd1ucmwm+OjuLp9CNVES40O3BSxDWJ+qpXBH03mtxJag2ueZ YCuHBxi9iWQxSnAAFqQUUN+yeiI6zfWsARWwTFFwXtXa0Pup1+l84N7RrS4Ov8Ei lios+LG/XUCZsyIFI1EpUkV0fagKb8YYn9hiTNzIqSjz6SwMChNRxAU8fht9g5k3 nDU+sqAb+EJzCd+Rvui0LdbooTl9RE3E3w9hB2cGC3F8wFZ3fxUZWrhR6ARoVFOK f4GpQ1GHu06xvHkSPom2yP7iflVIw7xMFzlDOhWMGpvWazd+I27EAsmlR05qrzAX ZFgosTDpoC6vRA== =pUNC -----END PGP SIGNATURE----- Merge tag 'kcsan.2024.09.14a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu Pull kcsan update from Paul McKenney: "Use min() to fix Coccinelle warning. Courtesy of Thorsten Blum" * tag 'kcsan.2024.09.14a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: kcsan: Use min() to fix Coccinelle warning |
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Linus Torvalds
|
067610ebaa |
RCU pull request for v6.12
This pull request contains the following branches:
context_tracking.15.08.24a: Rename context tracking state related
symbols and remove references to "dynticks" in various context
tracking state variables and related helpers; force
context_tracking_enabled_this_cpu() to be inlined to avoid
leaving a noinstr section.
csd.lock.15.08.24a: Enhance CSD-lock diagnostic reports; add an API
to provide an indication of ongoing CSD-lock stall.
nocb.09.09.24a: Update and simplify RCU nocb code to handle
(de-)offloading of callbacks only for offline CPUs; fix RT
throttling hrtimer being armed from offline CPU.
rcutorture.14.08.24a: Remove redundant rcu_torture_ops get_gp_completed
fields; add SRCU ->same_gp_state and ->get_comp_state
functions; add generic test for NUM_ACTIVE_*RCU_POLL* for
testing RCU and SRCU polled grace periods; add CFcommon.arch
for arch-specific Kconfig options; print number of update types
in rcu_torture_write_types();
add rcutree.nohz_full_patience_delay testing to the TREE07
scenario; add a stall_cpu_repeat module parameter to test
repeated CPU stalls; add argument to limit number of CPUs a
guest OS can use in torture.sh;
rcustall.09.09.24a: Abbreviate RCU CPU stall warnings during CSD-lock
stalls; Allow dump_cpu_task() to be called without disabling
preemption; defer printing stall-warning backtrace when holding
rcu_node lock.
srcu.12.08.24a: Make SRCU gp seq wrap-around faster; add KCSAN checks
for concurrent updates to ->srcu_n_exp_nodelay and
->reschedule_count which are used in heuristics governing
auto-expediting of normal SRCU grace periods and
grace-period-state-machine delays; mark idle SRCU-barrier
callbacks to help identify stuck SRCU-barrier callback.
rcu.tasks.14.08.24a: Remove RCU Tasks Rude asynchronous APIs as they
are no longer used; stop testing RCU Tasks Rude asynchronous
APIs; fix access to non-existent percpu regions; check
processor-ID assumptions during chosen CPU calculation for
callback enqueuing; update description of rtp->tasks_gp_seq
grace-period sequence number; add rcu_barrier_cb_is_done()
to identify whether a given rcu_barrier callback is stuck;
mark idle Tasks-RCU-barrier callbacks; add
*torture_stats_print() functions to print detailed
diagnostics for Tasks-RCU variants; capture start time of
rcu_barrier_tasks*() operation to help distinguish a hung
barrier operation from a long series of barrier operations.
rcu_scaling_tests.15.08.24a:
refscale: Add a TINY scenario to support tests of Tiny RCU
and Tiny SRCU; Optimize process_durations() operation;
rcuscale: Dump stacks of stalled rcu_scale_writer() instances;
dump grace-period statistics when rcu_scale_writer() stalls;
mark idle RCU-barrier callbacks to identify stuck RCU-barrier
callbacks; print detailed grace-period and barrier diagnostics
on rcu_scale_writer() hangs for Tasks-RCU variants; warn if
async module parameter is specified for RCU implementations
that do not have async primitives such as RCU Tasks Rude;
make all writer tasks report upon hang; tolerate repeated
GFP_KERNEL failure in rcu_scale_writer(); use special allocator
for rcu_scale_writer(); NULL out top-level pointers to heap
memory to avoid double-free bugs on modprobe failures; maintain
per-task instead of per-CPU callbacks count to avoid any issues
with migration of either tasks or callbacks; constify struct
ref_scale_ops.
fixes.12.08.24a: Use system_unbound_wq for kfree_rcu work to avoid
disturbing isolated CPUs.
misc.11.08.24a: Warn on unexpected rcu_state.srs_done_tail state;
Better define "atomic" for list_replace_rcu() and
hlist_replace_rcu() routines; annotate struct
kvfree_rcu_bulk_data with __counted_by().
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Merge tag 'rcu.release.v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux
Pull RCU updates from Neeraj Upadhyay:
"Context tracking:
- rename context tracking state related symbols and remove references
to "dynticks" in various context tracking state variables and
related helpers
- force context_tracking_enabled_this_cpu() to be inlined to avoid
leaving a noinstr section
CSD lock:
- enhance CSD-lock diagnostic reports
- add an API to provide an indication of ongoing CSD-lock stall
nocb:
- update and simplify RCU nocb code to handle (de-)offloading of
callbacks only for offline CPUs
- fix RT throttling hrtimer being armed from offline CPU
rcutorture:
- remove redundant rcu_torture_ops get_gp_completed fields
- add SRCU ->same_gp_state and ->get_comp_state functions
- add generic test for NUM_ACTIVE_*RCU_POLL* for testing RCU and SRCU
polled grace periods
- add CFcommon.arch for arch-specific Kconfig options
- print number of update types in rcu_torture_write_types()
- add rcutree.nohz_full_patience_delay testing to the TREE07 scenario
- add a stall_cpu_repeat module parameter to test repeated CPU stalls
- add argument to limit number of CPUs a guest OS can use in
torture.sh
rcustall:
- abbreviate RCU CPU stall warnings during CSD-lock stalls
- Allow dump_cpu_task() to be called without disabling preemption
- defer printing stall-warning backtrace when holding rcu_node lock
srcu:
- make SRCU gp seq wrap-around faster
- add KCSAN checks for concurrent updates to ->srcu_n_exp_nodelay and
->reschedule_count which are used in heuristics governing
auto-expediting of normal SRCU grace periods and
grace-period-state-machine delays
- mark idle SRCU-barrier callbacks to help identify stuck
SRCU-barrier callback
rcu tasks:
- remove RCU Tasks Rude asynchronous APIs as they are no longer used
- stop testing RCU Tasks Rude asynchronous APIs
- fix access to non-existent percpu regions
- check processor-ID assumptions during chosen CPU calculation for
callback enqueuing
- update description of rtp->tasks_gp_seq grace-period sequence
number
- add rcu_barrier_cb_is_done() to identify whether a given
rcu_barrier callback is stuck
- mark idle Tasks-RCU-barrier callbacks
- add *torture_stats_print() functions to print detailed diagnostics
for Tasks-RCU variants
- capture start time of rcu_barrier_tasks*() operation to help
distinguish a hung barrier operation from a long series of barrier
operations
refscale:
- add a TINY scenario to support tests of Tiny RCU and Tiny
SRCU
- optimize process_durations() operation
rcuscale:
- dump stacks of stalled rcu_scale_writer() instances and
grace-period statistics when rcu_scale_writer() stalls
- mark idle RCU-barrier callbacks to identify stuck RCU-barrier
callbacks
- print detailed grace-period and barrier diagnostics on
rcu_scale_writer() hangs for Tasks-RCU variants
- warn if async module parameter is specified for RCU implementations
that do not have async primitives such as RCU Tasks Rude
- make all writer tasks report upon hang
- tolerate repeated GFP_KERNEL failure in rcu_scale_writer()
- use special allocator for rcu_scale_writer()
- NULL out top-level pointers to heap memory to avoid double-free
bugs on modprobe failures
- maintain per-task instead of per-CPU callbacks count to avoid any
issues with migration of either tasks or callbacks
- constify struct ref_scale_ops
Fixes:
- use system_unbound_wq for kfree_rcu work to avoid disturbing
isolated CPUs
Misc:
- warn on unexpected rcu_state.srs_done_tail state
- better define "atomic" for list_replace_rcu() and
hlist_replace_rcu() routines
- annotate struct kvfree_rcu_bulk_data with __counted_by()"
* tag 'rcu.release.v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux: (90 commits)
rcu: Defer printing stall-warning backtrace when holding rcu_node lock
rcu/nocb: Remove superfluous memory barrier after bypass enqueue
rcu/nocb: Conditionally wake up rcuo if not already waiting on GP
rcu/nocb: Fix RT throttling hrtimer armed from offline CPU
rcu/nocb: Simplify (de-)offloading state machine
context_tracking: Tag context_tracking_enabled_this_cpu() __always_inline
context_tracking, rcu: Rename rcu_dyntick trace event into rcu_watching
rcu: Update stray documentation references to rcu_dynticks_eqs_{enter, exit}()
rcu: Rename rcu_momentary_dyntick_idle() into rcu_momentary_eqs()
rcu: Rename rcu_implicit_dynticks_qs() into rcu_watching_snap_recheck()
rcu: Rename dyntick_save_progress_counter() into rcu_watching_snap_save()
rcu: Rename struct rcu_data .exp_dynticks_snap into .exp_watching_snap
rcu: Rename struct rcu_data .dynticks_snap into .watching_snap
rcu: Rename rcu_dynticks_zero_in_eqs() into rcu_watching_zero_in_eqs()
rcu: Rename rcu_dynticks_in_eqs_since() into rcu_watching_snap_stopped_since()
rcu: Rename rcu_dynticks_in_eqs() into rcu_watching_snap_in_eqs()
rcu: Rename rcu_dynticks_eqs_online() into rcu_watching_online()
context_tracking, rcu: Rename rcu_dynticks_curr_cpu_in_eqs() into rcu_is_watching_curr_cpu()
context_tracking, rcu: Rename rcu_dynticks_task*() into rcu_task*()
refscale: Constify struct ref_scale_ops
...
|
||
|
Linus Torvalds
|
85a77db95a |
workqueue: Changes for v6.12
Nothing major: - workqueue.panic_on_stall boot param added. - alloc_workqueue_lockdep_map() added (used by DRM). - Other cleanusp and doc updates. -----BEGIN PGP SIGNATURE----- iIQEABYKACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCZuN3gQ4cdGpAa2VybmVs Lm9yZwAKCRCxYfJx3gVYGR1hAP0XObdExeNsVWe1JUUUX061+H+aA6aVffb9+J/t b32u3QEAsn+oNWzuvzlGlSQKQMpPk+dT2na0Q0yZNxkNEzUiEQQ= =TeDS -----END PGP SIGNATURE----- Merge tag 'wq-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq Pull workqueue updates from Tejun Heo: "Nothing major: - workqueue.panic_on_stall boot param added - alloc_workqueue_lockdep_map() added (used by DRM) - Other cleanusp and doc updates" * tag 'wq-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: kernel/workqueue.c: fix DEFINE_PER_CPU_SHARED_ALIGNED expansion workqueue: Fix another htmldocs build warning workqueue: fix null-ptr-deref on __alloc_workqueue() error workqueue: Don't call va_start / va_end twice workqueue: Fix htmldocs build warning workqueue: Add interface for user-defined workqueue lockdep map workqueue: Change workqueue lockdep map to pointer workqueue: Split alloc_workqueue into internal function and lockdep init Documentation: kernel-parameters: add workqueue.panic_on_stall workqueue: add cmdline parameter workqueue.panic_on_stall |
||
|
Linus Torvalds
|
78567e2bc7 |
cgroup: Changes for v6.12
- cpuset isolation improvements. - cpuset cgroup1 support is split into its own file behind the new config option CONFIG_CPUSET_V1. This makes it the second controller which makes cgroup1 support optional after memcg. - Handling of unavailable v1 controller handling improved during cgroup1 mount operations. - union_find applied to cpuset. It makes code simpler and more efficient. - Reduce spurious events in pids.events. - Cleanups and other misc changes. - Contains a merge of cgroup/for-6.11-fixes to receive cpuset fixes that further changes build upon. -----BEGIN PGP SIGNATURE----- iIQEABYKACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCZuNU3Q4cdGpAa2VybmVs Lm9yZwAKCRCxYfJx3gVYGdMsAP9yqPxu//LiJ3lPWhKcVVKtdwrA3AYDLE81VSJO 5VZJhAD+Ic+Ly/jZjDtjjQpZ1U3JsBpBRcVBqzeH0gD7eXaJgwk= =h/+c -----END PGP SIGNATURE----- Merge tag 'cgroup-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup updates from Tejun Heo: - cpuset isolation improvements - cpuset cgroup1 support is split into its own file behind the new config option CONFIG_CPUSET_V1. This makes it the second controller which makes cgroup1 support optional after memcg - Handling of unavailable v1 controller handling improved during cgroup1 mount operations - union_find applied to cpuset. It makes code simpler and more efficient - Reduce spurious events in pids.events - Cleanups and other misc changes - Contains a merge of cgroup/for-6.11-fixes to receive cpuset fixes that further changes build upon * tag 'cgroup-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: (34 commits) cgroup: Do not report unavailable v1 controllers in /proc/cgroups cgroup: Disallow mounting v1 hierarchies without controller implementation cgroup/cpuset: Expose cpuset filesystem with cpuset v1 only cgroup/cpuset: Move cpu.h include to cpuset-internal.h cgroup/cpuset: add sefltest for cpuset v1 cgroup/cpuset: guard cpuset-v1 code under CONFIG_CPUSETS_V1 cgroup/cpuset: rename functions shared between v1 and v2 cgroup/cpuset: move v1 interfaces to cpuset-v1.c cgroup/cpuset: move validate_change_legacy to cpuset-v1.c cgroup/cpuset: move legacy hotplug update to cpuset-v1.c cgroup/cpuset: add callback_lock helper cgroup/cpuset: move memory_spread to cpuset-v1.c cgroup/cpuset: move relax_domain_level to cpuset-v1.c cgroup/cpuset: move memory_pressure to cpuset-v1.c cgroup/cpuset: move common code to cpuset-internal.h cgroup/cpuset: introduce cpuset-v1.c selftest/cgroup: Make test_cpuset_prs.sh deal with pre-isolated CPUs cgroup/cpuset: Account for boot time isolated CPUs cgroup/cpuset: remove use_parent_ecpus of cpuset cgroup/cpuset: remove fetch_xcpus ... |
||
|
Linus Torvalds
|
2f27fce671 |
sound updates for 6.12-rc1
A fairly big update at this time, both in core and driver sides.
The core received rewrites in PCM buffer allocation handling and
locking optimizations, PCM rate updates followed by lots of cleanups.
In ASoC side, the legacy Intel drivers have been deprecated by AVS
drivers which leaded to the significant amount of code reduction.
SoundWire driver updates and other cleanups contributed more code
reduction, too.
USB-audio driver received a large cleanup of its big quirk table, and
the old snd_print*() API usages in many legacy drivers are replaced
with the standard print API.
Here are some highlights:
Core:
- More optimized locking in ALSA control code
- Rewrites of memalloc helpers for better DMA API usage
- Drop of obsoleted vmalloc PCM buffer helper API
- Continued MIDI2 UMP updates
- Support of a new user-space driven timer instance
- Update for more PCM support rates and cleanups
- Xrun counter report in the proc files
ASoC:
- Continued simplification and cleanup works for ASoC
- Extensive cleanups and refactoring of the Soundwire drivers
- Removal of Intel machine support obsoleted by the AVS driver
- Lots of DT schema conversions
- Machine support for many AMD and Intel x86 platforms
- Support for AMD ACP 7.1, Mediatek MT6367 and MT8365, Realtek RTL1320
SoundWire and rev C, and Texas Instruments TAS2563
USB-audio:
- Add support of multiple control interfaces
- A large rewrite of quirk table with macros
- Support for RME Digiface USB
HD-audio:
- Cleanup of quirk code for Samsung Galaxy laptops
- Clean up of detection of Cirrus codecs
- C-Media CM9825 HD-audio codec support
Others:
- Rewrites to standard print API in a lot of legacy drivers
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Merge tag 'sound-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"A fairly big update at this time, both in core and driver sides.
The core received rewrites in PCM buffer allocation handling and
locking optimizations, PCM rate updates followed by lots of cleanups.
In ASoC side, the legacy Intel drivers have been deprecated by AVS
drivers which leaded to the significant amount of code reduction.
SoundWire driver updates and other cleanups contributed more code
reduction, too.
USB-audio driver received a large cleanup of its big quirk table, and
the old snd_print*() API usages in many legacy drivers are replaced
with the standard print API.
Here are some highlights:
Core:
- More optimized locking in ALSA control code
- Rewrites of memalloc helpers for better DMA API usage
- Drop of obsoleted vmalloc PCM buffer helper API
- Continued MIDI2 UMP updates
- Support of a new user-space driven timer instance
- Update for more PCM support rates and cleanups
- Xrun counter report in the proc files
ASoC:
- Continued simplification and cleanup works for ASoC
- Extensive cleanups and refactoring of the Soundwire drivers
- Removal of Intel machine support obsoleted by the AVS driver
- Lots of DT schema conversions
- Machine support for many AMD and Intel x86 platforms
- Support for AMD ACP 7.1, Mediatek MT6367 and MT8365, Realtek
RTL1320 SoundWire and rev C, and Texas Instruments TAS2563
USB-audio:
- Add support of multiple control interfaces
- A large rewrite of quirk table with macros
- Support for RME Digiface USB
HD-audio:
- Cleanup of quirk code for Samsung Galaxy laptops
- Clean up of detection of Cirrus codecs
- C-Media CM9825 HD-audio codec support
Others:
- Rewrites to standard print API in a lot of legacy drivers"
* tag 'sound-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (410 commits)
ASoC: topology: Fix redundant logical jump
ASoC: tas2781: Add Calibration Kcontrols for Chromebook
ASoC: amd: acp: refactor SoundWire machine driver code
ASoC: sdw_utils/intel: move soundwire endpoint parsing helper functions
ASoC: sdw_util/intel: move soundwire endpoint and dai link structures
ASoC: intel: sof_sdw: rename soundwire parsing helper functions
ASoC: intel: sof_sdw: rename soundwire endpoint and dailink structures
ASoC: atmel: mchp-pdmc: Retain Non-Runtime Controls
ALSA: hda/realtek: Add support for Galaxy Book2 Pro (NP950XEE)
ASoC: mediatek: mt7986-afe-pcm: Remove redundant error message
ALSA: memalloc: Use proper DMA mapping API for x86 S/G buffer allocations
ALSA: memalloc: Use proper DMA mapping API for x86 WC buffer allocations
ALSA: usb-audio: Add logitech Audio profile quirk
ASoc: mediatek: mt8365: Remove unneeded assignment
ASoC: Intel: ARL: Add entry for HDMI-In capture support to non-I2S codec boards.
ASoC: Intel: sof_rt5682: Add HDMI-In capture with rt5682 support for ARL.
ASoC: SOF: Intel: hda: remove common_hdmi_codec_drv
ASoC: Intel: sof_pcm512x: do not check common_hdmi_codec_drv
ASoC: Intel: ehl_rt5660: do not check common_hdmi_codec_drv
ASoC: Intel: skl_hda_dsp_generic: use common module for DAI links
...
|
||
|
Linus Torvalds
|
194fcd20eb |
linux_kselftest-kunit-6.12-rc1
This kunit update for Linux 6.12-rc1 consists of:
-- a new int_pow test suite
-- documentation update to clarify filename best practices
-- kernel-doc fix for EXPORT_SYMBOL_IF_KUNIT
-- change to build compile_commands.json automatically instead
of requiring a manual build.
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Merge tag 'linux_kselftest-kunit-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kunit updates from Shuah Khan:
- a new int_pow test suite
- documentation update to clarify filename best practices
- kernel-doc fix for EXPORT_SYMBOL_IF_KUNIT
- change to build compile_commands.json automatically instead of
requiring a manual build
* tag 'linux_kselftest-kunit-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
lib/math: Add int_pow test suite
kunit: tool: Build compile_commands.json
kunit: Fix kernel-doc for EXPORT_SYMBOL_IF_KUNIT
Documentation: KUnit: Update filename best practices
|
||
|
Linus Torvalds
|
32b72debef |
linux_kselftest-next-6.12-rc1
This kselftest update for Linux 6.12-rc1 consists of: -- test coverage for dup_fd() failure handling in unshare_fd() -- new selftest for the acct() syscall -- basic uprobe testcase -- several small fixes and cleanups to existing tests -- user and strscpy removal as they became kunit tests -- fixes to build failures and warnings -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAmboxGEACgkQCwJExA0N Qxzq6xAAl5f8mW8acVT5DESKtKHJRpuA0bhNm+1sRRinBS+lTF42Pwd5BbYbtpZE wjCxKtyo775HAS2F8pE/afZRZRx08EChE0W4GxEacH0nw5BCUiWM5aHxf+84NEKE GEQoLlfXnT4F3V+dtwx0eC+kXUDJ0fZT6P+iI29Dj/IZ1WjEYZ1IF6R0PgCaR4RE LH6d77AYx3HolwMDolDmoyXdpCbeYmhtWR0QzqaMaYLozitd92uN4Iwkf9LPPBXq O8P8wYcOo/h8x7OVf8bLA1UqxOU09FA/TBb+Vnu9qMDyKgB6S6NXko7cMDVyCtbe lHnLk2MFyDnCmZqa+sXXtUmDiEgjYSJqmAdP7ue4oFnyKAIoPKwdDutFi5pk+N2p ZqHdWRAYOliz4ZNn2xaUXKc++u4a3ZcBzel/cNrvtBXrHZTgYFBIoycdIHw/e2mz KsvjSxlz/DEC+U266C9MgNnp6S1x9nM0qyPmkxOiUwZO996LYcZJ90WF0PKIaI5M bFDbidAbymkMF9Eh0uMIVzv1L8YTv55qjLdMtHGDBQEnsT5WlUC2HN24sWQUAzGS RBQn33Uoo+sIO0hh0pujOZuYoV1fGlS9gGCpjs6XOKUiU+F1yLdhOLsoiWDfMXR+ MwemO56tQFlNo/2V9ecbav28RZgItVkq4XFXKMsdPkniNcSS06Q= =bFgK -----END PGP SIGNATURE----- Merge tag 'linux_kselftest-next-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kselftest update from Shuah Khan: - test coverage for dup_fd() failure handling in unshare_fd() - new selftest for the acct() syscall - basic uprobe testcase - several small fixes and cleanups to existing tests - user and strscpy removal as they became kunit tests - fixes to build failures and warnings * tag 'linux_kselftest-next-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (21 commits) selftests: kselftest: Use strerror() on nolibc selftests/timers: Remove unused NSEC_PER_SEC macro selftests:resctrl: Fix build failure on archs without __cpuid_count() selftests/ftrace: Fix eventfs ownership testcase to find mount point selftests: filesystems: fix warn_unused_result build warnings selftests:core: test coverage for dup_fd() failure handling in unshare_fd() selftests/ftrace: Fix test to handle both old and new kernels kselftest: timers: Fix const correctness selftests/ftrace: Add required dependency for kprobe tests selftests: rust: config: disable GCC_PLUGINS selftests: rust: config: add trailing newline tracing/selftests: Run the ownership test twice selftests/uprobes: Add a basic uprobe testcase selftests: harness: rename __constructor_order for clarification selftests: harness: remove unneeded __constructor_order_last() selftest: acct: Add selftest for the acct() syscall selftests: lib: remove strscpy test selftests: user: remove user suite kselftest: cpufreq: Add RTC wakeup alarm selftests/exec: Fix grammar in an error message. ... |
||
|
Linus Torvalds
|
395b15778e |
linux_kselftest-nolibc-6.12-rc1
This nolibc update for Linux 6.12-rc1 consists of:
Highlights
----------
* Clang support (including LTO)
Other Changes
-------------
* stdbool.h support
* argc/argv/envp arguments for constructors
* Small #include ordering fix
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Merge tag 'linux_kselftest-nolibc-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull nolibc updates from Shuah Khan:
"Highlights:
- Clang support (including LTO)
Other Changes:
- stdbool.h support
- argc/argv/envp arguments for constructors
- Small #include ordering fix"
* tag 'linux_kselftest-nolibc-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (21 commits)
tools/nolibc: x86_64: use local label in memcpy/memmove
tools/nolibc: stackprotector: mark implicitly used symbols as used
tools/nolibc: crt: mark _start_c() as used
selftests/nolibc: run-tests.sh: allow building through LLVM
selftests/nolibc: use correct clang target for s390/systemz
selftests/nolibc: don't use libgcc when building with clang
selftests/nolibc: run-tests.sh: avoid overwriting CFLAGS_EXTRA
selftests/nolibc: add cc-option compatible with clang cross builds
selftests/nolibc: add support for LLVM= parameter
selftests/nolibc: determine $(srctree) first
selftests/nolibc: avoid passing NULL to printf("%s")
selftests/nolibc: report failure if no testcase passed
tools/nolibc: compiler: use attribute((naked)) if available
tools/nolibc: move entrypoint specifics to compiler.h
tools/nolibc: compiler: introduce __nolibc_has_attribute()
tools/nolibc: powerpc: limit stack-protector workaround to GCC
tools/nolibc: mips: load current function to $t9
tools/nolibc: arm: use clang-compatible asm syntax
tools/nolibc: pass argc, argv and envp to constructors
tools/nolibc: add stdbool.h header
...
|
||
|
Linus Torvalds
|
d58db3f3a0 |
Another relatively mundane cycle for docs:
- The beginning of an EEVDF scheduler document - More Chinese translations - A rethrashing of our bisection documentation ...plus the usual array of smaller fixes, and more than the usual number of typo fixes. -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEIw+MvkEiF49krdp9F0NaE2wMflgFAmboMnkACgkQF0NaE2wM flha/Qf/e8zRinIYQJ7BmombNm39w3wUiNuXr8SWq7afqhsAJJzmOZ3oyyfssL+B a1pSjhxb15UrKf1kMKhdBxhDndXvto5UekJRBY5gsTvcBMBmtIovN+ZK5Z5jObsw gzHD9of08Ti7N4C2dSBdLPHtvIBX0rVeEK4oAH7AUaQviu1cfTaLQQA0dRYsaJeX iXsts2NkGl6ZUF7mk4nlzj8+Y1zot+mCd6B53iSimNKxwsPODrCZUobJAvxg1qVU pRCQcnpx2fTBnh4ugrcLZbautyhL9bJ8VQzFeoQgYpODDgDnZyTjN6kxv65LpxAz dXi+hx5Vk7lP3BbTp9EeGn305/qQPA== =JuBw -----END PGP SIGNATURE----- Merge tag 'docs-6.12' of git://git.lwn.net/linux Pull documentation update from Jonathan Corbet: "Another relatively mundane cycle for docs: - The beginning of an EEVDF scheduler document - More Chinese translations - A rethrashing of our bisection documentation ...plus the usual array of smaller fixes, and more than the usual number of typo fixes" * tag 'docs-6.12' of git://git.lwn.net/linux: (48 commits) Remove duplicate "and" in 'Linux NVMe docs. docs:filesystems: fix spelling and grammar mistakes docs:filesystem: fix mispelled words on autofs page docs:mm: fixed spelling and grammar mistakes on vmalloc kernel stack page Documentation: PCI: fix typo in pci.rst docs/zh_CN: add the translation of kbuild/gcc-plugins.rst docs/process: fix typos docs:mm: fix spelling mistakes in heterogeneous memory management page accel/qaic: Fix a typo docs/zh_CN: update the translation of security-bugs docs: block: Fix grammar and spelling mistakes in bfq-iosched.rst Documentation: Fix spelling mistakes Documentation/gpu: Fix typo in Documentation/gpu/komeda-kms.rst scripts: sphinx-pre-install: remove unnecessary double check for $cur_version Loongarch: KVM: Add KVM hypercalls documentation for LoongArch Documentation: Document the kernel flag bdev_allow_write_mounted docs: scheduler: completion: Update member of struct completion docs: kerneldoc-preamble.sty: Suppress extra spaces in CJK literal blocks docs: submitting-patches: Advertise b4 docs: update dev-tools/kcsan.rst url about KTSAN ... |
||
|
Linus Torvalds
|
8202cc803f |
m68k updates for v6.12
- Use swap() helper for __arch_xchg(), - Fix kernel_clone_args.flags in m68k_clone(), - Defconfig updates. -----BEGIN PGP SIGNATURE----- iIsEABYIADMWIQQ9qaHoIs/1I4cXmEiKwlD9ZEnxcAUCZuhAxBUcZ2VlcnRAbGlu dXgtbTY4ay5vcmcACgkQisJQ/WRJ8XAOOAEAh7aKyeW/gMic3PQ7pe+14j0QveK0 HcqqCZ9StDWt8rIA/15DIW+/mBZoOEmzBWpYr3PNkMGqgYgR2GLhrT7azk0L =89Xo -----END PGP SIGNATURE----- Merge tag 'm68k-for-v6.12-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k Pull m68k updates from Geert Uytterhoeven: - Use swap() helper for __arch_xchg() - Fix kernel_clone_args.flags in m68k_clone() - defconfig updates * tag 'm68k-for-v6.12-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k: defconfig: Update defconfigs for v6.11-rc1 m68k: Fix kernel_clone_args.flags in m68k_clone() m68k: cmpxchg: Use swap() to improve code |
||
|
Linus Torvalds
|
fc1dc0d507 |
Updates for x86 timers:
- Use the topology information of number of packages for making the
decision about TSC trust instead of using the number of online nodes
which is not reflecting the real topology.
- Stop the PIT timer 0 when its not in use as to stop pointless emulation
in the VMM.
- Fix the PIT timer stop sequence for timer 0 so it truly stops both real
hardware and buggy VMM emulations.
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Merge tag 'x86-timers-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 timer updates from Thomas Gleixner:
- Use the topology information of number of packages for making the
decision about TSC trust instead of using the number of online nodes
which is not reflecting the real topology.
- Stop the PIT timer 0 when its not in use as to stop pointless
emulation in the VMM.
- Fix the PIT timer stop sequence for timer 0 so it truly stops both
real hardware and buggy VMM emulations.
* tag 'x86-timers-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/tsc: Check for sockets instead of CPUs to make code match comment
clockevents/drivers/i8253: Fix stop sequence for timer 0
x86/i8253: Disable PIT timer 0 when not in use
x86/tsc: Use topology_max_packages() to get package number
|
||
|
Linus Torvalds
|
b507535474 |
Miscellaneous updates for x86:
- Rework kcpuid to handle the the autogenerated CSV file correctly and
update the CSV file to cover the whole zoo of CPUID.
- Avoid memcpy() for ia32 syscall_get_arguments() and use direct
assignments as fortified memcpy() is unhappy about writing/reading
beyond the end of the addresses destination/source struct member
- A few new PCI IDs for AMD
- Update MAINTAINERS to cover x86 specific selftests
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Merge tag 'x86-misc-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 updates from Thomas Gleixner:
- Rework kcpuid to handle the the autogenerated CSV file correctly and
update the CSV file to cover the whole zoo of CPUID.
- Avoid memcpy() for ia32 syscall_get_arguments() and use direct
assignments as fortified memcpy() is unhappy about writing/reading
beyond the end of the addresses destination/source struct member
- A few new PCI IDs for AMD
- Update MAINTAINERS to cover x86 specific selftests
* tag 'x86-misc-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
MAINTAINERS: Add selftests/x86 entry
x86/amd_nb: Add new PCI IDs for AMD family 1Ah model 60h-70h
x86/syscall: Avoid memcpy() for ia32 syscall_get_arguments()
MAINTAINERS: Add x86 cpuid database entry
tools/x86/kcpuid: Introduce a complete cpuid bitfields CSV file
tools/x86/kcpuid: Parse subleaf ranges if provided
tools/x86/kcpuid: Recognize all leaves with subleaves
tools/x86/kcpuid: Strip bitfield names leading/trailing whitespace
tools/x86/kcpuid: Protect against faulty "max subleaf" values
tools/x86/kcpuid: Set max possible subleaves count to 64
tools/x86/kcpuid: Properly align long-description columns
tools/x86/kcpuid: Remove unused variable
x86/amd_nb: Add new PCI IDs for AMD family 1Ah model 60h
|
||
|
Linus Torvalds
|
a3233da6c0 |
Remove a stale declaration from the UV platform code
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||
|
Linus Torvalds
|
70f43ea3a3 |
Updates for x86 memory management:
- Make LAM enablement safe vs. kernel threads using a process mm
temporarily as switching back to the process would not update CR3 and
therefore not enable LAM causing faults in user space when using tagged
pointers. Cure it by synchronizing LAM enablement via IPIs to all CPUs
which use the related mm.
- Cure a LAM harmless inconsistency between CR3 and the state during
context switch. It's both confusing and prone to lead to real bugs
- Handle alt stack handling for threads which run with a non-zero
protection key. The non-zero key prevents the kernel to access the
alternate stack. Cure it by temporarily enabling all protection keys for
the alternate stack setup/restore operations.
- Provide a EFI config table identity mapping for kexec kernel to prevent
kexec fails because the new kernel cannot access the config table array
- Use GB pages only when a full GB is mapped in the identity map as
otherwise the CPU can speculate into reserved areas after the end of
memory which causes malfunction on UV systems.
- Remove the noisy and pointless SRAT table dump during boot
- Use is_ioremap_addr() for iounmap() address range checks instead of
high_memory. is_ioremap_addr() is more precise.
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Merge tag 'x86-mm-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 memory management updates from Thomas Gleixner:
- Make LAM enablement safe vs. kernel threads using a process mm
temporarily as switching back to the process would not update CR3 and
therefore not enable LAM causing faults in user space when using
tagged pointers. Cure it by synchronizing LAM enablement via IPIs to
all CPUs which use the related mm.
- Cure a LAM harmless inconsistency between CR3 and the state during
context switch. It's both confusing and prone to lead to real bugs
- Handle alt stack handling for threads which run with a non-zero
protection key. The non-zero key prevents the kernel to access the
alternate stack. Cure it by temporarily enabling all protection keys
for the alternate stack setup/restore operations.
- Provide a EFI config table identity mapping for kexec kernel to
prevent kexec fails because the new kernel cannot access the config
table array
- Use GB pages only when a full GB is mapped in the identity map as
otherwise the CPU can speculate into reserved areas after the end of
memory which causes malfunction on UV systems.
- Remove the noisy and pointless SRAT table dump during boot
- Use is_ioremap_addr() for iounmap() address range checks instead of
high_memory. is_ioremap_addr() is more precise.
* tag 'x86-mm-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/ioremap: Improve iounmap() address range checks
x86/mm: Remove duplicate check from build_cr3()
x86/mm: Remove unused NX related declarations
x86/mm: Remove unused CR3_HW_ASID_BITS
x86/mm: Don't print out SRAT table information
x86/mm/ident_map: Use gbpages only where full GB page should be mapped.
x86/kexec: Add EFI config table identity mapping for kexec kernel
selftests/mm: Add new testcases for pkeys
x86/pkeys: Restore altstack access in sigreturn()
x86/pkeys: Update PKRU to enable all pkeys before XSAVE
x86/pkeys: Add helper functions to update PKRU on the sigframe
x86/pkeys: Add PKRU as a parameter in signal handling functions
x86/mm: Cleanup prctl_enable_tagged_addr() nr_bits error checking
x86/mm: Fix LAM inconsistency during context switch
x86/mm: Use IPIs to synchronize LAM enablement
|
||
|
Linus Torvalds
|
b136021126 |
Updates for x86 FRED:
- Enable FRED right after init_mem_mapping() because at that point the
early IDT fault handler is replaced by the real fault handler. The real
fault handler retrieves the faulting address from the stack frame and
not from CR2 when the FRED feature is set. But that obviously only
works when FRED is enabled in the CPU as well.
- Set SS to __KERNEL_DS when enabling FRED to prevent a corner case where
ERETS can observe a SS mismatch and raises a #GP.
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Merge tag 'x86-fred-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 FRED updates from Thomas Gleixner:
- Enable FRED right after init_mem_mapping() because at that point the
early IDT fault handler is replaced by the real fault handler. The
real fault handler retrieves the faulting address from the stack
frame and not from CR2 when the FRED feature is set. But that
obviously only works when FRED is enabled in the CPU as well.
- Set SS to __KERNEL_DS when enabling FRED to prevent a corner case
where ERETS can observe a SS mismatch and raises a #GP.
* tag 'x86-fred-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/entry: Set FRED RSP0 on return to userspace instead of context switch
x86/msr: Switch between WRMSRNS and WRMSR with the alternatives mechanism
x86/entry: Test ti_work for zero before processing individual bits
x86/fred: Set SS to __KERNEL_DS when enabling FRED
x86/fred: Enable FRED right after init_mem_mapping()
x86/fred: Move FRED RSP initialization into a separate function
x86/fred: Parse cmdline param "fred=" in cpu_parse_early_param()
|
||
|
Linus Torvalds
|
c3056a7d14 |
Provide FPU buffer layout in core dumps:
Debuggers have guess the FPU buffer layout in core dumps, which is error prone. This is because AMD and Intel layouts differ. To avoid buggy heuristics add a ELF section which describes the buffer layout which can be retrieved by tools. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmbpOuwTHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYoTRAEACGHPdAYFp5A396c9qUbHUE2gEKIad2 iuq15TZKLPY/LFqfTwnkp9/nqKtZ0gj4D6XCIucWZjwWJuPgvgGf/tC9Fk+H+C6X 9+rycP3GdqxU28qLxA428SN2Pg3lvqG4rryVWeHUXQ4x8A0DSMV+3pkNY5YgJ+2+ fTzNzVi2tkPRAXhKmj3EdcFcgDPiFQBMm1QNBpc+FqrXk4rjJb9Axln0oT8xemDv TtJ5BMhFpR73naaiS4IrK8Tk3oFCa8CmafCQfl1zAOor/+EemPQKwMuGeiXE7dLG eE+OTw5zuxYwlc9WoaPmM/ZiEc5JptpHQUtyHDBN7BaK87VKjsupAXXVOh6XMRCt R2coqq7fqDqMANwWpUKddky3vSwbst1GZpXGAENOy64yU4VoFutr616WSj3sJfUi knBauPqLAFeZLhMn/kKr5a0rBgm7VuQSlGPYEhqVdaM3Eb/zJEupFL/bTpqQbbz/ 8lo2hYcfDslhShcEZYBwm4eUg+ytZ96K3ciZ5YgNih9LFBxEOo0SY1CqbQJiRtpB 3DmgldYtzRdQq5/JtFGNv717uMESn5khG3qHUpXtrDhWfD8spMWiY1yO/cwWvLFJ ZS5ATp1dAt1Pbv2MC6r9jQBbW3V7xNNAOJdzUvIZPP04PKeV0ObFOplxhabOzUDj OLquyIrjpxeisg== =Vqqo -----END PGP SIGNATURE----- Merge tag 'x86-fpu-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fpu updates from Thomas Gleixner: "Provide FPU buffer layout in core dumps: Debuggers have guess the FPU buffer layout in core dumps, which is error prone. This is because AMD and Intel layouts differ. To avoid buggy heuristics add a ELF section which describes the buffer layout which can be retrieved by tools" * tag 'x86-fpu-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/elf: Add a new FPU buffer layout info to x86 core files |
||
|
Linus Torvalds
|
dea435d397 |
Enable UBSAN traps for x86, which provides better reporting through
metadata encodeded into UD1. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmbpM6ITHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYoU/kEACWS7Z9mQrWB3r22ufTTPoN+hNudth+ CP8wluXZGvLPh1Pq9dpB9ZniBUN8levYoGyj3NTdr6VtoMJ6NYcZVuH98lCCEMXO 1UmDpydSGZ3BqVgmf4h0eYAJgEiA5qTflXMsh6SfsaPQR7jniJTE451hgJdRIogG DvgWeVTYn5vt0+oRHJp6ogRLR9oOUgdp94fIwaW34OpesbVJeWUW9zAvBcqdNrDT KJIM7ta6eivEakFRxriQZTKRc+3ElvZ2fdWNdo9qrRd64MTIOTXAj3G0lXt3YtpZ 06pfJ1CfQ+nwHKfxmmy4gz4eJG7KcpMM+KFZTR3NoSAz4oMTzAvVTxAuEt+pahx6 bmLzaY/I/gRB/Rt+e5oEZSEIq+Sh/Lm3IZoQUhK0+HeJBjwPghBZw3BjkFJvEsMw S0arvklH2x37gP9rnzOODf2QG7aIAqLTrvRJS610fctwadR4k+2UIE8ZGHOTt55J UdiK/QhU4gMVaRTebTcPquu3IMmnJjla/bEWdIrBtOSiGtVd1BnAp/kvmkdQH3eI ZUqJbnfofN4rzSufFqSVY88ORVIcQMnNDLM0qyJofIC79u7OiU40icoDxWS6mDHQ wQSEszInhwNzyAxoHnNkXDunjDVKhATQPOde0F4TxLcrYD9KRpvJag/1j5fCQi+0 ftODZflfGS2UjQ== =Z5Hg -----END PGP SIGNATURE----- Merge tag 'x86-core-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 core update from Thomas Gleixner: "Enable UBSAN traps for x86, which provides better reporting through metadata encodeded into UD1" * tag 'x86-core-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/traps: Enable UBSAN traps on x86 |
||
|
Linus Torvalds
|
61d1ea914b |
Updates for the x86 APIC code:
- Handle an allocation failure in the IO/APIC code gracefully instead of
crashing the machine.
- Remove support for APIC local destination mode on 64bit
Logical destination mode of the local APIC is used for systems with up
to 8 CPUs. It has an advantage over physical destination mode as it
allows to target multiple CPUs at once with IPIs. That advantage was
definitely worth it when systems with up to 8 CPUs were state of the
art for servers and workstations, but that's history.
In the recent past there were quite some reports of new laptops failing
to boot with logical destination mode, but they work fine with physical
destination mode. That's not a suprise because physical destination
mode is guaranteed to work as it's the only way to get a CPU up and
running via the INIT/INIT/STARTUP sequence. Some of the affected
systems were cured by BIOS updates, but not all OEMs provide them.
As the number of CPUs keep increasing, logical destination mode becomes
less used and the benefit for small systems, like laptops, is not
really worth the trouble. So just remove logical destination mode
support for 64bit and be done with it.
- Code and comment cleanups in the APIC area.
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Merge tag 'x86-apic-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 APIC updates from Thomas Gleixner:
- Handle an allocation failure in the IO/APIC code gracefully instead
of crashing the machine.
- Remove support for APIC local destination mode on 64bit
Logical destination mode of the local APIC is used for systems with
up to 8 CPUs. It has an advantage over physical destination mode as
it allows to target multiple CPUs at once with IPIs. That advantage
was definitely worth it when systems with up to 8 CPUs were state of
the art for servers and workstations, but that's history.
In the recent past there were quite some reports of new laptops
failing to boot with logical destination mode, but they work fine
with physical destination mode. That's not a suprise because physical
destination mode is guaranteed to work as it's the only way to get a
CPU up and running via the INIT/INIT/STARTUP sequence. Some of the
affected systems were cured by BIOS updates, but not all OEMs provide
them.
As the number of CPUs keep increasing, logical destination mode
becomes less used and the benefit for small systems, like laptops, is
not really worth the trouble. So just remove logical destination mode
support for 64bit and be done with it.
- Code and comment cleanups in the APIC area.
* tag 'x86-apic-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/irq: Fix comment on IRQ vector layout
x86/apic: Remove unused extern declarations
x86/apic: Remove logical destination mode for 64-bit
x86/apic: Remove unused inline function apic_set_eoi_cb()
x86/ioapic: Cleanup remaining coding style issues
x86/ioapic: Cleanup line breaks
x86/ioapic: Cleanup bracket usage
x86/ioapic: Cleanup comments
x86/ioapic: Move replace_pin_at_irq_node() to the call site
iommu/vt-d: Cleanup apic_printk()
x86/mpparse: Cleanup apic_printk()s
x86/ioapic: Cleanup guarded debug printk()s
x86/ioapic: Cleanup apic_printk()s
x86/apic: Cleanup apic_printk()s
x86/apic: Provide apic_printk() helpers
x86/ioapic: Use guard() for locking where applicable
x86/ioapic: Cleanup structs
x86/ioapic: Mark mp_alloc_timer_irq() __init
x86/ioapic: Handle allocation failures gracefully
|
||
|
Linus Torvalds
|
0279aa780d |
A set of cleanups across x86:
- Use memremap() for the EISA probe instrad of ioremap(). EISA is
strictly memory and not MMIO
- Cleanups and enhancement all over the place
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Merge tag 'x86-cleanups-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cleanups from Thomas Gleixner:
"A set of cleanups across x86:
- Use memremap() for the EISA probe instead of ioremap(). EISA is
strictly memory and not MMIO
- Cleanups and enhancement all over the place"
* tag 'x86-cleanups-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/EISA: Dereference memory directly instead of using readl()
x86/extable: Remove unused declaration fixup_bug()
x86/boot/64: Strip percpu address space when setting up GDT descriptors
x86/cpu: Clarify the error message when BIOS does not support SGX
x86/kexec: Add comments around swap_pages() assembly to improve readability
x86/kexec: Fix a comment of swap_pages() assembly
x86/sgx: Fix a W=1 build warning in function comment
x86/EISA: Use memremap() to probe for the EISA BIOS signature
x86/mtrr: Remove obsolete declaration for mtrr_bp_restore()
x86/cpu_entry_area: Annotate percpu_setup_exception_stacks() as __init
|
||
|
Linus Torvalds
|
5ba202a7c9 |
Updates for KCOV instrumentation on x86:
- Prevent spurious KCOV coverage in common_interrupt()
- Fixup the KCOV Makefile directive which got stale due to a source file
rename
- Exclude stack unwinding from KCOV as it creates large amounts of
uninteresting coverage
- Provide a self test to validate that KCOV coverage of the interrupt
handling code starts not before preempt count got updated.
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Merge tag 'x86-build-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 build updates from Thomas Gleixner:
"Updates for KCOV instrumentation on x86:
- Prevent spurious KCOV coverage in common_interrupt()
- Fixup the KCOV Makefile directive which got stale due to a source
file rename
- Exclude stack unwinding from KCOV as it creates large amounts of
uninteresting coverage
- Provide a self test to validate that KCOV coverage of the interrupt
handling code starts not before preempt count got updated"
* tag 'x86-build-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Ignore stack unwinding in KCOV
module: Fix KCOV-ignored file name
kcov: Add interrupt handling self test
x86/entry: Remove unwanted instrumentation in common_interrupt()
|
||
|
Linus Torvalds
|
a940d9a43e |
soc: arm platform updates for 6.12
Most of these updates are for removing dead code on the Samsung S3C, NXP i.MX, TI OMAP and TI DaVinci platforms, though this appears to be a coincidence. There are also cleanups for the Marvell Orion family and the Arm integrator series and a Kconfig change for Broadcom. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmboJ24ACgkQYKtH/8kJ Uieakg/+IW7ihBfb7MzlZhTGGm8mLyT4t8fi8B0j9V6dNJ9FLx+Bf19aty96jGbC b/fqYdciWXpTl0EkDVJV0Dxl8zQvYYnKy+IcdhtXUp/9uDLtvpQV8N+VIuTykMU9 XoVhUGmndyTjQOC9+qai67oN0Z4zUcLsutbytBaqif1FKGiwCJqpc4Q80PjUjdl+ 2fLVzVUVQIbyWAwarPQ3TZXRuVkR5ANnQVTNdjIcttfffM5KaLTuZaX5J2IXT28l bxQFTwExjZMToNXrOw8RwsTqFkv0WXqSxThKm7656L+giIAD7Ul3o3uD+bLZQ6n5 ygLQikmulv2ATxu0KHpEJSIup7bZnDtDqg/THYT6obFiLEXVIMqZDq+w4ugg3TUg WeMW5/LZn9jeMKQmgOY2sOsgfcn//acnEn1UZ1vU96kUCjfrT6uultY3+3/GGyYD FKtK5bCIv67732uiviJG49MJ3/sEhcAfai3Ij27tvOWHYQ0qwtt3mtuZvfohaxRu potVEHoK5qMGtC7uUKu7ubz3KwDmvP7ZEoh17JRZhIN9Rx8N64ltY8fFZnUaCj91 2XRY65hV9a/rpdzpR2oxZm6SAKb1vyYvfFH2DeHQSsEODV94+nVAbssRGyR8/09H oxL1ntT9Ldp2hjNB656clMJxKBU4iG4y0FrasSnJGqAQvzm3M6k= =3AQ6 -----END PGP SIGNATURE----- Merge tag 'soc-arm-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull SoC ARM platform updates from Arnd Bergmann: "Most of these updates are for removing dead code on the Samsung S3C, NXP i.MX, TI OMAP and TI DaVinci platforms, though this appears to be a coincidence. There are also cleanups for the Marvell Orion family and the Arm integrator series and a Kconfig change for Broadcom" * tag 'soc-arm-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: ARM: dove: Drop a write-only variable ARM: orion5x: Switch to new sys-off handler API ARM: mvebu: Warn about memory chunks too small for DDR training ARM: imx: Annotate imx7d_enet_init() as __init ARM: OMAP1: Remove unused declarations in arch/arm/mach-omap1/pm.h ARM: s3c: remove unused s3c2410_cpu_suspend() declaration ARM: s3c: remove unused declarations for s3c6400 ARM: s3c: Remove unused s3c_init_uart_irqs() declaration ARM: davinci: remove unused cpuidle code ARM: davinci: remove unused davinci_init_ide() declaration ARM: davinci: remove unused davinci_cfg_reg_list() declaration ARM: mach-imx: imx6sx: Remove Ethernet refclock setting MAINTAINERS: Add entry for Samsung Exynos850 SoC ARM: bcm: Select ARM_GIC_V3 for ARCH_BRCMSTB ARM: omap2: Switch to use kmemdup_array() ARM: omap1: Remove unused struct 'dma_link_info' ARM: s3c: Drop explicit initialization of struct i2c_device_id::driver_data to 0 |
||
|
Linus Torvalds
|
38ea77ab07 |
soc: defconfig updates for 6.12
The updates to the defconfig files are fairly small, enabling drivers for eight of the arm and riscv based platforms. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmboHkgACgkQYKtH/8kJ Uiedsw//ee8uHQj003iuqawzMn0oBKcjBO0MpDSanv3qL0Lm5yLZ4s1Nw2jNlsEd uiQytgkduiYwQ9hM4u19cAPi3xab1ruoj9wAp3kcx1dmEbjNP5QTwPkNiNwZIcMu f6Mz7SOTWwp1YWxAXqVU6usR6H3N7VR3P5XdNP/TBSS7MNW6bRPqiO6kAc4AT1H2 RNik3m1kCQIPpX1pdYK2bnCFRIl+TIr2jrHV9B9zYKc1f/il4MuIjVP2U1WDQ10U r5xKCb8MrIQtju+aCfmYwYqUYQ95ptjSas1MwV0xURzxDL/x9B8wL+NDeNsomwJq vlk6vr3HtIsJduXylIxqQ5KY6q/uxJ9whmtU943mPdEZgp3nZeXbK+EHXT5KZbB3 GAGaf//Pt/0+3jQA/qThD9+GF2OMxKUiyi4ZIezI4pj9VoB6uhittmHQlmPc0KvP 8UpkaHiyztgO9R08XGvmQ03A6B0UdJMPFAy1onYZkyL+MhRF2a04D16nkLBGa2jU DvNo9ojqUfSEKiLpQtCwVFc0lQkAdnoVsywcrAp4+KXqzNC51I1Rj59SvaebvCcg eTat1cSVQRvHnSbG/TOiWBtVZ9GqisLf9vAIwYV05b7jT5fWff69olXDXTcQma1P 8aYIGtUIeeDmr+qE6U31aToj/BXpOuI6MvY0tkBfdyqRYuq6lN8= =A/M4 -----END PGP SIGNATURE----- Merge tag 'soc-defconfig-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull SoC defconfig updates from Arnd Bergmann: "The updates to the defconfig files are fairly small, enabling drivers for eight of the arm and riscv based platforms" * tag 'soc-defconfig-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: arm64: defconfig: enable mt8365 sound riscv: defconfig: Enable pinctrl support for CV18XX Series SoC arm64: defconfig: Enable ADP5585 GPIO and PWM drivers arm64: defconfig: Enable Tegra194 PCIe Endpoint arm64: defconfig: Enable E5010 JPEG Encoder riscv: defconfig: sophgo: enable clks for sg2042 arm64: defconfig: build CONFIG_REGULATOR_QCOM_REFGEN as module ARM: configs: at91: enable config flags for sam9x7 SoC family arm64: defconfig: Enable R-Car Ethernet-TSN support ARM: shmobile: defconfig: Enable slab hardening and kmalloc buckets arm64: defconfig: Enable AK4619 codec support |
||
|
Linus Torvalds
|
b8979c6b4d |
soc: driver updates for 6.12
The driver updates seem larger this time around, with changes
is many of the SoC specific drivers, both the custom drivers/soc
ones and the closely related subsystems (memory, bus, firmware,
reset, ...).
The at91 platform gains support for sam9x7 chips in the soc and
power management code. This is the latest variant of one of the
oldest still supported SoC families, using the ARM9 (ARMv5) core.
As usual, the qualcomm snapdragon platform gets a ton of updates in many
of their drivers to add more features and additional SoC support. Most
of these are somewhat firmware related as the platform has a number of
firmware based interfaces to the kernel. A notable addition here is the
inclusion of trace events to two of these drivers.
Herve Codina and Christophe Leroy are now sending updates for
drivers/soc/fsl/ code through the SoC tree, this contains both PowerPC
and Arm specific platforms and has previously been problematic to
maintain. The first update here contains support for newer PowerPC
variants and some cleanups.
The turris mox firmware driver has a number of updates, mostly cleanups.
The Arm SCMI firmware driver gets a major rework to modularize
the existing code into separately loadable drivers for the various
transports, the addition of custom NXP i.MX9 interfaces and a
number of smaller updates.
The Arm FF-A firmware driver gets a feature update to support
the v1.2 version of the specification.
The reset controller drivers have some smaller cleanups and a newly
added driver for the Intel/Mobileye EyeQ5/EyeQ6 MIPS SoCs.
The memory controller drivers get some cleanups and refactoring
for Tegra, TI, Freescale/NXP and a couple more platforms.
Finally there are lots of minor updates to firmware (raspberry pi,
tegra, imx), bus (sunxi, omap, tegra) and soc (rockchips, tegra, amlogic,
mediatek) drivers and their DT bindings.
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Merge tag 'soc-drivers-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC driver updates from Arnd Bergmann:
"The driver updates seem larger this time around, with changes is many
of the SoC specific drivers, both the custom drivers/soc ones and the
closely related subsystems (memory, bus, firmware, reset, ...).
The at91 platform gains support for sam9x7 chips in the soc and power
management code. This is the latest variant of one of the oldest still
supported SoC families, using the ARM9 (ARMv5) core.
As usual, the qualcomm snapdragon platform gets a ton of updates in
many of their drivers to add more features and additional SoC support.
Most of these are somewhat firmware related as the platform has a
number of firmware based interfaces to the kernel. A notable addition
here is the inclusion of trace events to two of these drivers.
Herve Codina and Christophe Leroy are now sending updates for
drivers/soc/fsl/ code through the SoC tree, this contains both PowerPC
and Arm specific platforms and has previously been problematic to
maintain. The first update here contains support for newer PowerPC
variants and some cleanups.
The turris mox firmware driver has a number of updates, mostly
cleanups.
The Arm SCMI firmware driver gets a major rework to modularize the
existing code into separately loadable drivers for the various
transports, the addition of custom NXP i.MX9 interfaces and a number
of smaller updates.
The Arm FF-A firmware driver gets a feature update to support the v1.2
version of the specification.
The reset controller drivers have some smaller cleanups and a newly
added driver for the Intel/Mobileye EyeQ5/EyeQ6 MIPS SoCs.
The memory controller drivers get some cleanups and refactoring for
Tegra, TI, Freescale/NXP and a couple more platforms.
Finally there are lots of minor updates to firmware (raspberry pi,
tegra, imx), bus (sunxi, omap, tegra) and soc (rockchips, tegra,
amlogic, mediatek) drivers and their DT bindings"
* tag 'soc-drivers-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (212 commits)
firmware: imx: remove duplicate scmi_imx_misc_ctrl_get()
platform: cznic: turris-omnia-mcu: Fix error check in omnia_mcu_register_trng()
bus: sunxi-rsb: Simplify code with dev_err_probe()
soc: fsl: qe: ucc: Export ucc_mux_set_grant_tsa_bkpt
soc: fsl: cpm1: qmc: Fix dependency on fsl_soc.h
dt-bindings: arm: rockchip: Add rk3576 compatible string to pmu.yaml
soc: fsl: qbman: Remove redundant warnings
soc: fsl: qbman: Use iommu_paging_domain_alloc()
MAINTAINERS: Add QE files related to the Freescale QMC controller
soc: fsl: cpm1: qmc: Handle QUICC Engine (QE) soft-qmc firmware
soc: fsl: cpm1: qmc: Add support for QUICC Engine (QE) implementation
soc: fsl: qe: Add missing PUSHSCHED command
soc: fsl: qe: Add resource-managed muram allocators
soc: fsl: cpm1: qmc: Introduce qmc_version
soc: fsl: cpm1: qmc: Rename SCC_GSMRL_MODE_QMC
soc: fsl: cpm1: qmc: Handle RPACK initialization
soc: fsl: cpm1: qmc: Rename qmc_chan_command()
soc: fsl: cpm1: qmc: Introduce qmc_{init,exit}_xcc() and their CPM1 version
soc: fsl: cpm1: qmc: Introduce qmc_init_resource() and its CPM1 version
soc: fsl: cpm1: qmc: Re-order probe() operations
...
|
||
|
Linus Torvalds
|
7b17f5ebd5 |
soc: devicetree updates for 6.12
New SoC support for Broadcom bcm2712 (Raspberry Pi 5) and Renesas
R9A09G057 (RZ/V2H(P)) and Qualcomm Snapdragon 414 (MSM8929), all three
of these are variants of already supported chips, in particular the last
one is almost identical to MSM8939.
Lots of updates to Mediatek, ASpeed, Rockchips, Amlogic, Qualcomm,
STM32, NXP i.MX, Sophgo, TI K3, Renesas, Microchip at91, NVIDIA Tegra,
and T-HEAD.
The added Qualcomm platform support once again dominates the changes,
with seven phones and three laptops getting added in addition to
many new features on existing machines. The Snapdragon X1E support
specifically keeps improving.
The other new machines are:
- eight new machines using various 64-bit Rockchips SoCs, both
on the consumer/gaming side and developer boards
- three industrial boards with 64-bit i.MX, which is a very
low number for them.
- four more servers using a 32-bit Speed BMC
- three boards using STM32MP1 SoCs
- one new machine each using allwinner, amlogic, broadcom
and renesas chips.
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Merge tag 'soc-dt-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC devicetree updates from Arnd Bergmann:
"New SoC support for Broadcom bcm2712 (Raspberry Pi 5) and Renesas
R9A09G057 (RZ/V2H(P)) and Qualcomm Snapdragon 414 (MSM8929), all three
of these are variants of already supported chips, in particular the
last one is almost identical to MSM8939.
Lots of updates to Mediatek, ASpeed, Rockchips, Amlogic, Qualcomm,
STM32, NXP i.MX, Sophgo, TI K3, Renesas, Microchip at91, NVIDIA Tegra,
and T-HEAD.
The added Qualcomm platform support once again dominates the changes,
with seven phones and three laptops getting added in addition to many
new features on existing machines. The Snapdragon X1E support
specifically keeps improving.
The other new machines are:
- eight new machines using various 64-bit Rockchips SoCs, both on the
consumer/gaming side and developer boards
- three industrial boards with 64-bit i.MX, which is a very low
number for them.
- four more servers using a 32-bit Speed BMC
- three boards using STM32MP1 SoCs
- one new machine each using allwinner, amlogic, broadcom and renesas
chips"
* tag 'soc-dt-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (672 commits)
arm64: dts: allwinner: h5: NanoPi NEO Plus2: Use regulators for pio
arm64: dts: mediatek: add audio support for mt8365-evk
arm64: dts: mediatek: add afe support for mt8365 SoC
arm64: dts: mediatek: mt8186-corsola: Disable DPI display interface
arm64: dts: mediatek: mt8186: Add svs node
arm64: dts: mediatek: mt8186: Add power domain for DPI
arm64: dts: mediatek: mt8195: Correct clock order for dp_intf*
arm64: dts: mt8183: add dpi node to mt8183
arm64: dts: allwinner: h5: NanoPi Neo Plus2: Fix regulators
arm64: dts: rockchip: add CAN0 and CAN1 interfaces to mecsbc board
arm64: dts: rockchip: add CAN-FD controller nodes to rk3568
arm64: dts: nuvoton: ma35d1: Add uart pinctrl settings
arm64: dts: nuvoton: ma35d1: Add pinctrl and gpio nodes
arm64: dts: nuvoton: Add syscon to the system-management node
ARM: dts: Fix undocumented LM75 compatible nodes
arm64: dts: toshiba: Fix pl011 and pl022 clocks
ARM: dts: stm32: Use SAI to generate bit and frame clock on STM32MP15xx DHCOM PDK2
ARM: dts: stm32: Switch bitclock/frame-master to flag on STM32MP15xx DHCOM PDK2
ARM: dts: stm32: Sort properties in audio endpoints on STM32MP15xx DHCOM PDK2
ARM: dts: stm32: Add MECIO1 and MECT1S board variants
...
|
||
|
Linus Torvalds
|
303ba85c60 |
spi: Updates for v6.12
This is quite a quiet release for sPI. The one new core feature here is
support for configuring the state of the MOSI pin when the bus is idle,
there are some devices which are very fragile in this regard even when
the chip select signal is not asserted. Otherwise we have some new
driver support, a bunch of small fixes and some general cleanup work.
- Support for configuring the state of the MOSI pin when the the bus is
idle.
- Add the Elgin JG0309-01 in spidev.
- Support for Marvell xSPI, Mediatek MTK7981, Microchip PIC64GX,
NXP i.MX8ULP, and Rockchip RK3576 controllers.
I also accidentally pulled in an IIO DT bindings update due to a typo
when applying the MOSI idle state patches.
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Merge tag 'spi-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"This is quite a quiet release for SPI. The one new core feature here
is support for configuring the state of the MOSI pin when the bus is
idle, there are some devices which are very fragile in this regard
even when the chip select signal is not asserted. Otherwise we have
some new driver support, a bunch of small fixes and some general
cleanup work.
- Support for configuring the state of the MOSI pin when the the bus
is idle
- Add the Elgin JG0309-01 in spidev
- Support for Marvell xSPI, Mediatek MTK7981, Microchip PIC64GX, NXP
i.MX8ULP, and Rockchip RK3576 controllers
I also accidentally pulled in an IIO DT bindings update due to a typo
when applying the MOSI idle state patches"
* tag 'spi-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (65 commits)
spi: geni-qcom: Use devm functions to simplify code
spi: remove spi_controller_is_slave() and spi_slave_abort()
platform/olpc: olpc-xo175-ec: switch to use spi_target_abort().
spi: slave-mt27xx: switch to use target_abort
spi: spidev: switch to use spi_target_abort()
spi: slave-system-control: switch to use spi_target_abort()
spi: slave-time: switch to use spi_target_abort()
spi: switch to use spi_controller_is_target()
spi: fspi: add support for imx8ulp
spi: fspi: involve lut_num for struct nxp_fspi_devtype_data
dt-bindings: spi: nxp-fspi: add imx8ulp support
spi: spidev_fdx: Fix the wrong format specifier
spi: mxs: Switch to RUNTIME/SYSTEM_SLEEP_PM_OPS()
spi: dt-bindings: Add rockchip,rk3576-spi compatible
spi: Revert "spi: Insert the missing pci_dev_put()before return"
spi: zynq-qspi: Replace kzalloc with kmalloc for buffer allocation
spi: ppc4xx: Sort headers
spi: ppc4xx: Revert "handle irq_of_parse_and_map() errors"
spi: zynqmp-gqspi: Simplify with dev_err_probe()
spi: zynqmp-gqspi: Use devm_spi_alloc_host()
...
|
||
|
Linus Torvalds
|
6df9280860 |
regulator: Updates for v6.12
This release is almost all cleanup work of various kinds, while the
diffstat for the core is quite large this is almost all cleanups and
documentation improvments with some small fixes rather than any new
feature work. We do have support for a couple of new devices but these
are small additions to existing drivers rather than new drivers.
- Removal of the SM5703 driver which does not have it's dependencies
available.
- Support for Allwinner AXP717, and Qualcomm WCN6855.
The Allwinner support shares some commits with the MFD tree.
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Merge tag 'regulator-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"This release is almost all cleanup work of various kinds, while the
diffstat for the core is quite large this is almost all cleanups and
documentation improvments with some small fixes rather than any new
feature work. We do have support for a couple of new devices but these
are small additions to existing drivers rather than new drivers.
- Removal of the SM5703 driver which does not have it's dependencies
available.
- Support for Allwinner AXP717, and Qualcomm WCN6855.
The Allwinner support shares some commits with the MFD tree"
* tag 'regulator-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (66 commits)
regulator: sm5703: Remove because it is unused and fails to build
regulator: Split up _regulator_get()
regulator: update some comments ([gs]et_voltage_vsel vs [gs]et_voltage_sel)
regulator: max8973: Use irq_get_trigger_type() helper
regulator: core: fix the broken behavior of regulator_dev_lookup()
regulator: max77650: Use container_of and constify static data
regulator: hi6421v530: Use container_of and constify static data
regulator: hi6421v530: Drop unused 'eco_microamp'
regulator: qcom-refgen: Constify static data
regulator: pfuze100: Constify static data
regulator: pcap: Constify static data
regulator: mtk-dvfsrc: Constify static data
regulator: max77826: Constify static data
regulator: max77826: Drop unused 'rdesc' in 'struct max77826_regulator_info'
regulator: tps65023: Constify static data
regulator: hi6421v600: Constify static data
regulator: hi6421: Constify static data
regulator: da9121: Constify static data
regulator: da9063: Constify static data
regulator: da9055: Constify static data
...
|
||
|
Linus Torvalds
|
9179b73aa7 |
regmap: Updates for v6.12
The main update here is Matti's work allowing regmap irqdomains to be given custom names (allowing multiple interrupt controllers associatd with a single struct device), this pulls in some commits from Thomas' tree which it depends on. Otherwise there's a bit of work on improving handling of regmaps protected with spinlocks when used with complex cache types, fixing some valid but harmless lockdep reports seen with some new driver work. -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmbnZjcACgkQJNaLcl1U h9CFMwf/ecsvvRV4LycfWvm3yehorg+ruV8TXFB/KswXZ957rWfxOYBrSdOoNezy nYb2LZAKWlS10Akk5CinBc/ZjRH1EQmjWCl/l2eKe1gTFQ9xPFGWNg7FlnmRRNKR 9SiBdSCjxXS55nZN7t4jeXCXUr8iaezV+K55rKdznpe/EOi19wHmNtR2+3PqtnuJ felae4Xrq3o+O20yV54KYq1iQNY2jNNFGZUGBYAzQjR8aCuY9lQATT36uTxqspWY icZwUiLCmmoRLTC+QbSnmjv26s/uURpRXR7BUhX40PaK6MuWzNHAjxUo8iYVzuVg Nmqw+5yeDF4tY9pDODrmqxK2fErObw== =TyFs -----END PGP SIGNATURE----- Merge tag 'regmap-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap Pull regmap updates from Mark Brown: "The main update here is Matti's work allowing regmap irqdomains to be given custom names (allowing multiple interrupt controllers associatd with a single struct device), this pulls in some commits from Thomas' tree which it depends on. Otherwise there's a bit of work on improving handling of regmaps protected with spinlocks when used with complex cache types, fixing some valid but harmless lockdep reports seen with some new driver work" * tag 'regmap-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: regmap: kunit: Add coverage of spinlocked regmaps regcache: use map->alloc_flags also for allocating cache regmap: Use locking during kunit tests regmap: Hold the regmap lock when allocating and freeing the cache regmap: Allow setting IRQ domain name suffix |
||
|
Linus Torvalds
|
c903327d32 |
printk changes for 6.12
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Merge tag 'printk-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk updates from Petr Mladek:
"This is the "last" part of the support for the new nbcon consoles.
Where "nbcon" stays for "No Big console lock CONsoles" aka not under
the console_lock.
New callbacks are added to struct console:
- write_thread() for flushing nbcon consoles in task context.
- write_atomic() for flushing nbcon consoles in atomic context,
including NMI.
- con->device_lock() and device_unlock() for taking the driver
specific lock, for example, port->lock.
New printk-specific kthreads are created:
- per-console kthreads which get responsible for flushing normal
priority messages on nbcon consoles.
- thread which gets responsible for flushing normal priority messages
on all consoles when CONFIG_RT enabled.
The new callbacks are called under a special per-console lock which
has already been added back in v6.7. It allows to distinguish three
severities: normal, emergency, and panic. A context with a higher
priority could take over the ownership when it is safe even in the
middle of handling a record. The panic context could do it even when
it is not safe. But it is allowed only for the final desperate flush
before entering the infinite loop.
The new lock helps to flush the messages directly in emergency and
panic contexts. But it is not enough in all situations:
- console_lock() is still need for synchronization against boot
consoles.
- con->device_lock() is need for synchronization against other
operations on the same HW, e.g. serial port speed setting,
non-printk related read/write.
The dependency on con->device_lock() is mutual. Any code taking the
driver specific lock has to acquire the related nbcon console context
as well. For example, see the new uart_port_lock() API. It provides
the necessary synchronization against emergency and panic contexts
where the messages are flushed only under the new per-console lock.
Maybe surprisingly, a quite tricky part is the decision how to flush
the consoles in various situations. It has to take into account:
- message priority: normal, emergency, panic
- scheduling context: task, atomic, deferred_legacy
- registered consoles: boot, legacy, nbcon
- threads are running: early boot, suspend, shutdown, panic
- caller: printk(), pr_flush(), printk_flush_in_panic(),
console_unlock(), console_start(), ...
The primary decision is made in printk_get_console_flush_type(). It
creates a hint what the caller should do:
- flush nbcon consoles directly or via the kthread
- call the legacy loop (console_unlock()) directly or via irq_work
The existing behavior is preserved for the legacy consoles. The only
exception is that they are not longer flushed directly from printk()
in panic() before CPUs are stopped. But this blocking happens only
when at least one nbcon console is registered. The motivation is to
increase a chance to produce the crash dump. They legacy consoles
might create a deadlock in compare with nbcon consoles. The nbcon
console should allow to see the messages even when the crash dump
fails.
There are three possible ways how nbcon consoles are flushed:
- The per-nbcon-console kthread is responsible for flushing messages
added with the normal priority. This is the default mode.
- The legacy loop, aka console_unlock(), is used when there is still
a boot console registered. There is no easy way how to match an
early console driver with a nbcon console driver. And the
console_lock() provides the only reliable serialization at the
moment.
The legacy loop uses either con->write_atomic() or
con->write_thread() callbacks depending on whether it is allowed to
schedule. The atomic variant has to be used from printk().
- In other situations, the messages are flushed directly using
write_atomic() which can be called in any context, including NMI.
It is primary needed during early boot or shutdown, in emergency
situations, and panic.
The emergency priority is used by a code called within
nbcon_cpu_emergency_enter()/exit(). At the moment, it is used in four
situations: WARN(), Oops, lockdep, and RCU stall reports.
Finally, there is no nbcon console at the moment. It means that the
changes should _not_ modify the existing behavior. The only exception
is CONFIG_RT which would force offloading the legacy loop, for normal
priority context, into the dedicated kthread"
* tag 'printk-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux: (54 commits)
printk: Avoid false positive lockdep report for legacy printing
printk: nbcon: Assign nice -20 for printing threads
printk: Implement legacy printer kthread for PREEMPT_RT
tty: sysfs: Add nbcon support for 'active'
proc: Add nbcon support for /proc/consoles
proc: consoles: Add notation to c_start/c_stop
printk: nbcon: Show replay message on takeover
printk: Provide helper for message prepending
printk: nbcon: Rely on kthreads for normal operation
printk: nbcon: Use thread callback if in task context for legacy
printk: nbcon: Relocate nbcon_atomic_emit_one()
printk: nbcon: Introduce printer kthreads
printk: nbcon: Init @nbcon_seq to highest possible
printk: nbcon: Add context to usable() and emit()
printk: Flush console on unregister_console()
printk: Fail pr_flush() if before SYSTEM_SCHEDULING
printk: nbcon: Add function for printers to reacquire ownership
printk: nbcon: Use raw_cpu_ptr() instead of open coding
printk: Use the BITS_PER_LONG macro
lockdep: Mark emergency sections in lockdep splats
...
|
||
|
Linus Torvalds
|
daa394f0f9 |
A set of updates for debugobjects:
- Use the threshold to check for the pool refill condition and not the
run time recorded all time low fill value, which is lower than the
threshold and therefore causes refills to be delayed.
- KCSAN annotation updates and simplification of the fill_pool() code.
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Merge tag 'core-debugobjects-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull debugobjects updates from Thomas Gleixner:
- Use the threshold to check for the pool refill condition and not the
run time recorded all time low fill value, which is lower than the
threshold and therefore causes refills to be delayed.
- KCSAN annotation updates and simplification of the fill_pool() code.
* tag 'core-debugobjects-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
debugobjects: Remove redundant checks in fill_pool()
debugobjects: Fix conditions in fill_pool()
debugobjects: Fix the compilation attributes of some global variables
|
||
|
Linus Torvalds
|
9ea925c806 |
Updates for timers and timekeeping:
- Core:
- Overhaul of posix-timers in preparation of removing the
workaround for periodic timers which have signal delivery
ignored.
- Remove the historical extra jiffie in msleep()
msleep() adds an extra jiffie to the timeout value to ensure
minimal sleep time. The timer wheel ensures minimal sleep
time since the large rewrite to a non-cascading wheel, but the
extra jiffie in msleep() remained unnoticed. Remove it.
- Make the timer slack handling correct for realtime tasks.
The procfs interface is inconsistent and does neither reflect
reality nor conforms to the man page. Show the correct 0 slack
for real time tasks and enforce it at the core level instead of
having inconsistent individual checks in various timer setup
functions.
- The usual set of updates and enhancements all over the place.
- Drivers:
- Allow the ACPI PM timer to be turned off during suspend
- No new drivers
- The usual updates and enhancements in various drivers
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Merge tag 'timers-core-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
"Core:
- Overhaul of posix-timers in preparation of removing the workaround
for periodic timers which have signal delivery ignored.
- Remove the historical extra jiffie in msleep()
msleep() adds an extra jiffie to the timeout value to ensure
minimal sleep time. The timer wheel ensures minimal sleep time
since the large rewrite to a non-cascading wheel, but the extra
jiffie in msleep() remained unnoticed. Remove it.
- Make the timer slack handling correct for realtime tasks.
The procfs interface is inconsistent and does neither reflect
reality nor conforms to the man page. Show the correct 0 slack for
real time tasks and enforce it at the core level instead of having
inconsistent individual checks in various timer setup functions.
- The usual set of updates and enhancements all over the place.
Drivers:
- Allow the ACPI PM timer to be turned off during suspend
- No new drivers
- The usual updates and enhancements in various drivers"
* tag 'timers-core-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (43 commits)
ntp: Make sure RTC is synchronized when time goes backwards
treewide: Fix wrong singular form of jiffies in comments
cpu: Use already existing usleep_range()
timers: Rename next_expiry_recalc() to be unique
platform/x86:intel/pmc: Fix comment for the pmc_core_acpi_pm_timer_suspend_resume function
clocksource/drivers/jcore: Use request_percpu_irq()
clocksource/drivers/cadence-ttc: Add missing clk_disable_unprepare in ttc_setup_clockevent
clocksource/drivers/asm9260: Add missing clk_disable_unprepare in asm9260_timer_init
clocksource/drivers/qcom: Add missing iounmap() on errors in msm_dt_timer_init()
clocksource/drivers/ingenic: Use devm_clk_get_enabled() helpers
platform/x86:intel/pmc: Enable the ACPI PM Timer to be turned off when suspended
clocksource: acpi_pm: Add external callback for suspend/resume
clocksource/drivers/arm_arch_timer: Using for_each_available_child_of_node_scoped()
dt-bindings: timer: rockchip: Add rk3576 compatible
timers: Annotate possible non critical data race of next_expiry
timers: Remove historical extra jiffie for timeout in msleep()
hrtimer: Use and report correct timerslack values for realtime tasks
hrtimer: Annotate hrtimer_cpu_base_.*_expiry() for sparse.
timers: Add sparse annotation for timer_sync_wait_running().
signal: Replace BUG_ON()s
...
|
||
|
Linus Torvalds
|
cb69d86550 |
Updates for the interrupt subsystem:
- Core:
- Remove a global lock in the affinity setting code
The lock protects a cpumask for intermediate results and the lock
causes a bottleneck on simultaneous start of multiple virtual
machines. Replace the lock and the static cpumask with a per CPU
cpumask which is nicely serialized by raw spinlock held when
executing this code.
- Provide support for giving a suffix to interrupt domain names.
That's required to support devices with subfunctions so that the
domain names are distinct even if they originate from the same
device node.
- The usual set of cleanups and enhancements all over the place
- Drivers:
- Support for longarch AVEC interrupt chip
- Refurbishment of the Armada driver so it can be extended for new
variants.
- The usual set of cleanups and enhancements all over the place
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Merge tag 'irq-core-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"Core:
- Remove a global lock in the affinity setting code
The lock protects a cpumask for intermediate results and the lock
causes a bottleneck on simultaneous start of multiple virtual
machines. Replace the lock and the static cpumask with a per CPU
cpumask which is nicely serialized by raw spinlock held when
executing this code.
- Provide support for giving a suffix to interrupt domain names.
That's required to support devices with subfunctions so that the
domain names are distinct even if they originate from the same
device node.
- The usual set of cleanups and enhancements all over the place
Drivers:
- Support for longarch AVEC interrupt chip
- Refurbishment of the Armada driver so it can be extended for new
variants.
- The usual set of cleanups and enhancements all over the place"
* tag 'irq-core-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (73 commits)
genirq: Use cpumask_intersects()
genirq/cpuhotplug: Use cpumask_intersects()
irqchip/apple-aic: Only access system registers on SoCs which provide them
irqchip/apple-aic: Add a new "Global fast IPIs only" feature level
irqchip/apple-aic: Skip unnecessary enabling of use_fast_ipi
dt-bindings: apple,aic: Document A7-A11 compatibles
irqdomain: Use IS_ERR_OR_NULL() in irq_domain_trim_hierarchy()
genirq/msi: Use kmemdup_array() instead of kmemdup()
genirq/proc: Change the return value for set affinity permission error
genirq/proc: Use irq_move_pending() in show_irq_affinity()
genirq/proc: Correctly set file permissions for affinity control files
genirq: Get rid of global lock in irq_do_set_affinity()
genirq: Fix typo in struct comment
irqchip/loongarch-avec: Add AVEC irqchip support
irqchip/loongson-pch-msi: Prepare get_pch_msi_handle() for AVECINTC
irqchip/loongson-eiointc: Rename CPUHP_AP_IRQ_LOONGARCH_STARTING
LoongArch: Architectural preparation for AVEC irqchip
LoongArch: Move irqchip function prototypes to irq-loongson.h
irqchip/loongson-pch-msi: Switch to MSI parent domains
softirq: Remove unused 'action' parameter from action callback
...
|
||
|
Linus Torvalds
|
a64405b78b |
Updates for the clocksource watchdog:
- Make the uncertainty margin handling more robust to prevent false
positives
- Clarify comments
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Merge tag 'timers-clocksource-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull clocksource watchdog updates from Thomas Gleixner:
- Make the uncertainty margin handling more robust to prevent false
positives
- Clarify comments
* tag 'timers-clocksource-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource: Set cs_watchdog_read() checks based on .uncertainty_margin
clocksource: Fix comments on WATCHDOG_THRESHOLD & WATCHDOG_MAX_SKEW
clocksource: Improve comments for watchdog skew bounds
|
||
|
Linus Torvalds
|
97e17c08a4 |
A set of updates for CPU hotplug:
- Prepare the core for supporting parallel hotplug on loongarch - A small set of cleanups and enhancements -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmbn6qETHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYoZutD/94s3G8D3xrgQ6DwMHVtMtIAbzLtlBt SeKpIiSCnSy8bnQ+sAqOw4VjmbpB0dOlcJRii701D6hY+48TEgsL3dLn1/ws4ECc /5PapLihQgIquiAqk9iQH2BOrsFVqOGp4jbU95+ppBQtiDIB+3KeQPxxws57xb7E EUXzgCMTSsqlHCt40UCbsn7atbj0AfkV12uPKsNZT7WxPjxGK3OLuttMA6a+4xHm nBxxy/Vp9ll3J+uRGQobLFgZiIEiUsHI/+pGwltYxXC7jdN3joGqD3LuwypqLuly Ir8yXP+NhpOeNMn3iSVE8sm39bp8Sm1UslrbXvlQHGuP1JsUnIZzyevdneUp5Je7 zDKHzfn04Ls3uK1XiuQGUTvLYuiHPQ/UHP8ZeWFlkapFFDtl3fu2FU9r+LlkwKZK /0zQF6R5eBaGl3F1YKn7nPcfNf1jTLQlYq+eZT2DnSSeOb7ammjxVGgIMzWRWidG ZFNZhkjusRi3MH4aYLF8mQl7nyepy4+XQF4K0PusQ8B/NQxYRoI66mFsKhtufn5e 7T9vpYTazmhazl9SO1wQ9NNXYub+bjVj3fyRl5WSsTdS5d9pz9yqgC+xBIAJXTaq 9kN+NlP/nJ6HAzTgO074znUYR/tjlki22hNHVa6JyEh0/h0AVG53CFH5/hSONJ3P jvnhjxM/X/kLwg== =0FVL -----END PGP SIGNATURE----- Merge tag 'smp-core-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull CPU hotplug updates from Thomas Gleixner: - Prepare the core for supporting parallel hotplug on loongarch - A small set of cleanups and enhancements * tag 'smp-core-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: smp: Mark smp_prepare_boot_cpu() __init cpu: Fix W=1 build kernel-doc warning cpu/hotplug: Provide weak fallback for arch_cpuhp_init_parallel_bringup() cpu/hotplug: Make HOTPLUG_PARALLEL independent of HOTPLUG_SMT |
||
|
Linus Torvalds
|
a430d95c5e |
lsm/stable-6.12 PR 20240911
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Those callbacks which haven't been converted were left as-is due to the general ugliness of the changes required to support the static call conversion; we can revisit those callbacks at a future date. - Add the Integrity Policy Enforcement (IPE) LSM This adds a new LSM, Integrity Policy Enforcement (IPE). There is plenty of documentation about IPE in this patches, so I'll refrain from going into too much detail here, but the basic motivation behind IPE is to provide a mechanism such that administrators can restrict execution to only those binaries which come from integrity protected storage, e.g. a dm-verity protected filesystem. You will notice that IPE requires additional LSM hooks in the initramfs, dm-verity, and fs-verity code, with the associated patches carrying ACK/review tags from the associated maintainers. We couldn't find an obvious maintainer for the initramfs code, but the IPE patchset has been widely posted over several years. Both Deven Bowers and Fan Wu have contributed to IPE's development over the past several years, with Fan Wu agreeing to serve as the IPE maintainer moving forward. Once IPE is accepted into your tree, I'll start working with Fan to ensure he has the necessary accounts, keys, etc. so that he can start submitting IPE pull requests to you directly during the next merge window. - Move the lifecycle management of the LSM blobs to the LSM framework Management of the LSM blobs (the LSM state buffers attached to various kernel structs, typically via a void pointer named "security" or similar) has been mixed, some blobs were allocated/managed by individual LSMs, others were managed by the LSM framework itself. Starting with this pull we move management of all the LSM blobs, minus the XFRM blob, into the framework itself, improving consistency across LSMs, and reducing the amount of duplicated code across LSMs. Due to some additional work required to migrate the XFRM blob, it has been left as a todo item for a later date; from a practical standpoint this omission should have little impact as only SELinux provides a XFRM LSM implementation. - Fix problems with the LSM's handling of F_SETOWN The LSM hook for the fcntl(F_SETOWN) operation had a couple of problems: it was racy with itself, and it was disconnected from the associated DAC related logic in such a way that the LSM state could be updated in cases where the DAC state would not. We fix both of these problems by moving the security_file_set_fowner() hook into the same section of code where the DAC attributes are updated. Not only does this resolve the DAC/LSM synchronization issue, but as that code block is protected by a lock, it also resolve the race condition. - Fix potential problems with the security_inode_free() LSM hook Due to use of RCU to protect inodes and the placement of the LSM hook associated with freeing the inode, there is a bit of a challenge when it comes to managing any LSM state associated with an inode. The VFS folks are not open to relocating the LSM hook so we have to get creative when it comes to releasing an inode's LSM state. Traditionally we have used a single LSM callback within the hook that is triggered when the inode is "marked for death", but not actually released due to RCU. Unfortunately, this causes problems for LSMs which want to take an action when the inode's associated LSM state is actually released; so we add an additional LSM callback, inode_free_security_rcu(), that is called when the inode's LSM state is released in the RCU free callback. - Refactor two LSM hooks to better fit the LSM return value patterns The vast majority of the LSM hooks follow the "return 0 on success, negative values on failure" pattern, however, there are a small handful that have unique return value behaviors which has caused confusion in the past and makes it difficult for the BPF verifier to properly vet BPF LSM programs. This includes patches to convert two of these"special" LSM hooks to the common 0/-ERRNO pattern. - Various cleanups and improvements A handful of patches to remove redundant code, better leverage the IS_ERR_OR_NULL() helper, add missing "static" markings, and do some minor style fixups. * tag 'lsm-pr-20240911' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm: (40 commits) security: Update file_set_fowner documentation fs: Fix file_set_fowner LSM hook inconsistencies lsm: Use IS_ERR_OR_NULL() helper function lsm: remove LSM_COUNT and LSM_CONFIG_COUNT ipe: Remove duplicated include in ipe.c lsm: replace indirect LSM hook calls with static calls lsm: count the LSMs enabled at compile time kernel: Add helper macros for loop unrolling init/main.c: Initialize early LSMs after arch code, static keys and calls. MAINTAINERS: add IPE entry with Fan Wu as maintainer documentation: add IPE documentation ipe: kunit test for parser scripts: add boot policy generation program ipe: enable support for fs-verity as a trust provider fsverity: expose verified fsverity built-in signatures to LSMs lsm: add security_inode_setintegrity() hook ipe: add support for dm-verity as a trust provider dm-verity: expose root hash digest and signature data to LSMs block,lsm: add LSM blob and new LSM hooks for block devices ipe: add permissive toggle ... |
||
|
Linus Torvalds
|
ad060dbbcf |
selinux/stable-6.12 PR 20240911
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||
|
Linus Torvalds
|
dc644fba3c |
audit/stable-6.12 PR 20240911
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||
David Howells
|
43a64bd02f |
cifs: Remove redundant setting of NETFS_SREQ_HIT_EOF
Fix an upstream merge resolution issue[1]. The NETFS_SREQ_HIT_EOF flag,
and code to set it, got added via two different paths. The original path
saw it added in the netfslib read improvements[2], but it was also added,
and slightly differently, in a fix that was committed before v6.11:
|
||
|
David Howells
|
dc1a456dc1 |
cifs: Fix cifs readv callback merge resolution issue
Fix an upstream merge resolution issue[1]. Prior to the netfs read healpers, the SMB1 asynchronous read callback, cifs_readv_worker() performed the cleanup for the operation in the network message processing loop, potentially slowing down the processing of incoming SMB messages. With commit |
||
|
Linus Torvalds
|
adfc3ded5c |
for-6.12/io_uring-discard-20240913
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||
|
Linus Torvalds
|
26bb0d3f38 |
for-6.12/block-20240913
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Merge tag 'for-6.12/block-20240913' of git://git.kernel.dk/linux
Pull block updates from Jens Axboe:
- MD changes via Song:
- md-bitmap refactoring (Yu Kuai)
- raid5 performance optimization (Artur Paszkiewicz)
- Other small fixes (Yu Kuai, Chen Ni)
- Add a sysfs entry 'new_level' (Xiao Ni)
- Improve information reported in /proc/mdstat (Mateusz Kusiak)
- NVMe changes via Keith:
- Asynchronous namespace scanning (Stuart)
- TCP TLS updates (Hannes)
- RDMA queue controller validation (Niklas)
- Align field names to the spec (Anuj)
- Metadata support validation (Puranjay)
- A syntax cleanup (Shen)
- Fix a Kconfig linking error (Arnd)
- New queue-depth quirk (Keith)
- Add missing unplug trace event (Keith)
- blk-iocost fixes (Colin, Konstantin)
- t10-pi modular removal and fixes (Alexey)
- Fix for potential BLKSECDISCARD overflow (Alexey)
- bio splitting cleanups and fixes (Christoph)
- Deal with folios rather than rather than pages, speeding up how the
block layer handles bigger IOs (Kundan)
- Use spinlocks rather than bit spinlocks in zram (Sebastian, Mike)
- Reduce zoned device overhead in ublk (Ming)
- Add and use sendpages_ok() for drbd and nvme-tcp (Ofir)
- Fix regression in partition error pointer checking (Riyan)
- Add support for write zeroes and rotational status in nbd (Wouter)
- Add Yu Kuai as new BFQ maintainer. The scheduler has been
unmaintained for quite a while.
- Various sets of fixes for BFQ (Yu Kuai)
- Misc fixes and cleanups (Alvaro, Christophe, Li, Md Haris, Mikhail,
Yang)
* tag 'for-6.12/block-20240913' of git://git.kernel.dk/linux: (120 commits)
nvme-pci: qdepth 1 quirk
block: fix potential invalid pointer dereference in blk_add_partition
blk_iocost: make read-only static array vrate_adj_pct const
block: unpin user pages belonging to a folio at once
mm: release number of pages of a folio
block: introduce folio awareness and add a bigger size from folio
block: Added folio-ized version of bio_add_hw_page()
block, bfq: factor out a helper to split bfqq in bfq_init_rq()
block, bfq: remove local variable 'bfqq_already_existing' in bfq_init_rq()
block, bfq: remove local variable 'split' in bfq_init_rq()
block, bfq: remove bfq_log_bfqg()
block, bfq: merge bfq_release_process_ref() into bfq_put_cooperator()
block, bfq: fix procress reference leakage for bfqq in merge chain
block, bfq: fix uaf for accessing waker_bfqq after splitting
blk-throttle: support prioritized processing of metadata
blk-throttle: remove last_low_overflow_time
drbd: Add NULL check for net_conf to prevent dereference in state validation
nvme-tcp: fix link failure for TCP auth
blk-mq: add missing unplug trace event
mtip32xx: Remove redundant null pointer checks in mtip_hw_debugfs_init()
...
|
||
|
Linus Torvalds
|
3a4d319a8f |
for-6.12/io_uring-20240913
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||
|
Linus Torvalds
|
69a3a0a45a |
Changes since last update:
- Support file-backed mounts for containers and sandboxes;
- Mark the experimental fscache backend as deprecated;
- Handle overlapped pclusters caused by crafted images properly;
- Fix a failure path which could cause infinite loops in
z_erofs_init_decompressor();
- Get rid of unnecessary NOFAILs;
- Harmless on-disk hardening & minor cleanups.
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Merge tag 'erofs-for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs updates from Gao Xiang:
"In this cycle, we add file-backed mount support, which has has been a
strong requirement for years. It is especially useful when there are
thousands of images running on the same host for containers and other
sandbox use cases, unlike OS image use cases.
Without file-backed mounts, it's hard for container runtimes to manage
and isolate so many unnecessary virtual block devices safely and
efficiently, therefore file-backed mounts are highly preferred. For
EROFS users, ComposeFS [1], containerd, and Android APEXes [2] will
directly benefit from it, and I've seen no risk in implementing it as
a completely immutable filesystem.
The previous experimental feature "EROFS over fscache" is now marked
as deprecated because:
- Fscache is no longer an independent subsystem and has been merged
into netfs, which was somewhat unexpected when it was proposed.
- New HSM "fanotify pre-content hooks" [3] will be landed upstream.
These hooks will replace "EROFS over fscache" in a simpler way, as
EROFS won't be bother with kernel caching anymore. Userspace
programs can also manage their own caching hierarchy more flexibly.
Once the HSM "fanotify pre-content hooks" is landed, I will remove the
fscache backend entirely as an internal dependency cleanup. More
backgrounds are listed in the original patchset [4].
In addition to that, there are bugfixes and cleanups as usual.
Summary:
- Support file-backed mounts for containers and sandboxes
- Mark the experimental fscache backend as deprecated
- Handle overlapped pclusters caused by crafted images properly
- Fix a failure path which could cause infinite loops in
z_erofs_init_decompressor()
- Get rid of unnecessary NOFAILs
- Harmless on-disk hardening & minor cleanups"
* tag 'erofs-for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: reject inodes with negative i_size
erofs: restrict pcluster size limitations
erofs: allocate more short-lived pages from reserved pool first
erofs: sunset unneeded NOFAILs
erofs: simplify erofs_map_blocks_flatmode()
erofs: refactor read_inode calling convention
erofs: use kmemdup_nul in erofs_fill_symlink
erofs: mark experimental fscache backend deprecated
erofs: support compressed inodes for fileio
erofs: support unencoded inodes for fileio
erofs: add file-backed mount support
erofs: handle overlapped pclusters out of crafted images properly
erofs: fix error handling in z_erofs_init_decompressor
erofs: clean up erofs_register_sysfs()
erofs: fix incorrect symlink detection in fast symlink
|
||
|
Linus Torvalds
|
7a40974fd0 |
for-6.12-tag
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Merge tag 'for-6.12-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"This brings mostly refactoring, cleanups, minor performance
optimizations and usual fixes. The folio API conversions are most
noticeable.
There's one less visible change that could have a high impact. The
extent lock scope for read is reduced, not held for the entire
operation. In the buffered read case it's left to page or inode lock,
some direct io read synchronization is still needed.
This used to prevent deadlocks induced by page faults during direct
io, so there was a 4K limitation on the requests, e.g. for io_uring.
In the future this will allow smoother integration with iomap where
the extent read lock was a major obstacle.
User visible changes:
- the FSTRIM ioctl updates the processed range even after an error or
interruption
- cleaner thread is woken up in SYNC ioctl instead of waking the
transaction thread that can take some delay before waking up the
cleaner, this can speed up cleaning of deleted subvolumes
- print an error message when opening a device fail, e.g. when it's
unexpectedly read-only
Core changes:
- improved extent map handling in various ways (locking, iteration, ...)
- new assertions and locking annotations
- raid-stripe-tree locking fixes
- use xarray for tracking dirty qgroup extents, switched from rb-tree
- turn the subpage test to compile-time condition if possible (e.g.
on x86_64 with 4K pages), this allows to skip a lot of ifs and
remove dead code
- more preparatory work for compression in subpage mode
Cleanups and refactoring
- folio API conversions, many simple cases where page is passed so
switch it to folios
- more subpage code refactoring, update page state bitmap processing
- introduce auto free for btrfs_path structure, use for the simple
cases"
* tag 'for-6.12-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (110 commits)
btrfs: only unlock the to-be-submitted ranges inside a folio
btrfs: merge btrfs_folio_unlock_writer() into btrfs_folio_end_writer_lock()
btrfs: BTRFS_PATH_AUTO_FREE in orphan.c
btrfs: use btrfs_path auto free in zoned.c
btrfs: DEFINE_FREE for struct btrfs_path
btrfs: remove btrfs_folio_end_all_writers()
btrfs: constify more pointer parameters
btrfs: rework BTRFS_I as macro to preserve parameter const
btrfs: add and use helper to verify the calling task has locked the inode
btrfs: always update fstrim_range on failure in FITRIM ioctl
btrfs: convert copy_inline_to_page() to use folio
btrfs: convert btrfs_decompress() to take a folio
btrfs: convert zstd_decompress() to take a folio
btrfs: convert lzo_decompress() to take a folio
btrfs: convert zlib_decompress() to take a folio
btrfs: convert try_release_extent_mapping() to take a folio
btrfs: convert try_release_extent_state() to take a folio
btrfs: convert submit_eb_page() to take a folio
btrfs: convert submit_eb_subpage() to take a folio
btrfs: convert read_key_bytes() to take a folio
...
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||
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Linus Torvalds
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effdcd5275 |
affs-for-6.12-tag
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Linus Torvalds
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35219bc5c7 |
vfs-6.12.netfs
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Merge tag 'vfs-6.12.netfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull netfs updates from Christian Brauner:
"This contains the work to improve read/write performance for the new
netfs library.
The main performance enhancing changes are:
- Define a structure, struct folio_queue, and a new iterator type,
ITER_FOLIOQ, to hold a buffer as a replacement for ITER_XARRAY. See
that patch for questions about naming and form.
ITER_FOLIOQ is provided as a replacement for ITER_XARRAY. The
problem with an xarray is that accessing it requires the use of a
lock (typically the RCU read lock) - and this means that we can't
supply iterate_and_advance() with a step function that might sleep
(crypto for example) without having to drop the lock between pages.
ITER_FOLIOQ is the iterator for a chain of folio_queue structs,
where each folio_queue holds a small list of folios. A folio_queue
struct is a simpler structure than xarray and is not subject to
concurrent manipulation by the VM. folio_queue is used rather than
a bvec[] as it can form lists of indefinite size, adding to one end
and removing from the other on the fly.
- Provide a copy_folio_from_iter() wrapper.
- Make cifs RDMA support ITER_FOLIOQ.
- Use folio queues in the write-side helpers instead of xarrays.
- Add a function to reset the iterator in a subrequest.
- Simplify the write-side helpers to use sheaves to skip gaps rather
than trying to work out where gaps are.
- In afs, make the read subrequests asynchronous, putting them into
work items to allow the next patch to do progressive
unlocking/reading.
- Overhaul the read-side helpers to improve performance.
- Fix the caching of a partial block at the end of a file.
- Allow a store to be cancelled.
Then some changes for cifs to make it use folio queues instead of
xarrays for crypto bufferage:
- Use raw iteration functions rather than manually coding iteration
when hashing data.
- Switch to using folio_queue for crypto buffers.
- Remove the xarray bits.
Make some adjustments to the /proc/fs/netfs/stats file such that:
- All the netfs stats lines begin 'Netfs:' but change this to
something a bit more useful.
- Add a couple of stats counters to track the numbers of skips and
waits on the per-inode writeback serialisation lock to make it
easier to check for this as a source of performance loss.
Miscellaneous work:
- Ensure that the sb_writers lock is taken around
vfs_{set,remove}xattr() in the cachefiles code.
- Reduce the number of conditional branches in netfs_perform_write().
- Move the CIFS_INO_MODIFIED_ATTR flag to the netfs_inode struct and
remove cifs_post_modify().
- Move the max_len/max_nr_segs members from netfs_io_subrequest to
netfs_io_request as they're only needed for one subreq at a time.
- Add an 'unknown' source value for tracing purposes.
- Remove NETFS_COPY_TO_CACHE as it's no longer used.
- Set the request work function up front at allocation time.
- Use bh-disabling spinlocks for rreq->lock as cachefiles completion
may be run from block-filesystem DIO completion in softirq context.
- Remove fs/netfs/io.c"
* tag 'vfs-6.12.netfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (25 commits)
docs: filesystems: corrected grammar of netfs page
cifs: Don't support ITER_XARRAY
cifs: Switch crypto buffer to use a folio_queue rather than an xarray
cifs: Use iterate_and_advance*() routines directly for hashing
netfs: Cancel dirty folios that have no storage destination
cachefiles, netfs: Fix write to partial block at EOF
netfs: Remove fs/netfs/io.c
netfs: Speed up buffered reading
afs: Make read subreqs async
netfs: Simplify the writeback code
netfs: Provide an iterator-reset function
netfs: Use new folio_queue data type and iterator instead of xarray iter
cifs: Provide the capability to extract from ITER_FOLIOQ to RDMA SGEs
iov_iter: Provide copy_folio_from_iter()
mm: Define struct folio_queue and ITER_FOLIOQ to handle a sequence of folios
netfs: Use bh-disabling spinlocks for rreq->lock
netfs: Set the request work function upon allocation
netfs: Remove NETFS_COPY_TO_CACHE
netfs: Reserve netfs_sreq_source 0 as unset/unknown
netfs: Move max_len/max_nr_segs from netfs_io_subrequest to netfs_io_stream
...
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