Commit e809d5f0b5 ("tmpfs: per-superblock i_ino support") made changes
to shmem_reserve_inode() in mm/shmem.c, however the original test for
(sbinfo->max_inodes) got dropped. This causes mounting tmpfs with option
nr_inodes=0 to fail:
# mount -ttmpfs -onr_inodes=0 none /ext0
mount: /ext0: mount(2) system call failed: Cannot allocate memory.
This patch restores the nr_inodes=0 functionality.
Fixes: e809d5f0b5 ("tmpfs: per-superblock i_ino support")
Signed-off-by: Byron Stanoszek <gandalf@winds.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Hugh Dickins <hughd@google.com>
Acked-by: Chris Down <chris@chrisdown.name>
Link: https://lkml.kernel.org/r/20200902035715.16414-1-gandalf@winds.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
5.8 commit 5d91f31faf ("mm: swap: fix vmstats for huge page") has
established that vm_events should count every subpage of a THP, including
unevictable_pgs_culled and unevictable_pgs_rescued; but
lru_cache_add_inactive_or_unevictable() was not doing so for
unevictable_pgs_mlocked, and mm/mlock.c was not doing so for
unevictable_pgs mlocked, munlocked, cleared and stranded.
Fix them; but THPs don't go the pagevec way in mlock.c, so no fixes needed
on that path.
Fixes: 5d91f31faf ("mm: swap: fix vmstats for huge page")
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Yang Shi <shy828301@gmail.com>
Cc: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Qian Cai <cai@lca.pw>
Link: http://lkml.kernel.org/r/alpine.LSU.2.11.2008301408230.5954@eggly.anvils
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
check_move_unevictable_pages() is used in making unevictable shmem pages
evictable: by shmem_unlock_mapping(), drm_gem_check_release_pagevec() and
i915/gem check_release_pagevec(). Those may pass down subpages of a huge
page, when /sys/kernel/mm/transparent_hugepage/shmem_enabled is "force".
That does not crash or warn at present, but the accounting of vmstats
unevictable_pgs_scanned and unevictable_pgs_rescued is inconsistent:
scanned being incremented on each subpage, rescued only on the head (since
tails already appear evictable once the head has been updated).
5.8 commit 5d91f31faf ("mm: swap: fix vmstats for huge page") has
established that vm_events in general (and unevictable_pgs_rescued in
particular) should count every subpage: so follow that precedent here.
Do this in such a way that if mem_cgroup_page_lruvec() is made stricter
(to check page->mem_cgroup is always set), no problem: skip the tails
before calling it, and add thp_nr_pages() to vmstats on the head.
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Yang Shi <shy828301@gmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Qian Cai <cai@lca.pw>
Link: http://lkml.kernel.org/r/alpine.LSU.2.11.2008301405000.5954@eggly.anvils
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hugetlbfs pages do not participate in memcg: so although they do find most
of migrate_page_states() useful, it would be better if they did not call
into mem_cgroup_migrate() - where Qian Cai reported that LTP's
move_pages12 triggers the warning in Alex Shi's prospective commit
"mm/memcg: warning on !memcg after readahead page charged".
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Johannes Weiner <hannes@cmpxch.org>
Cc: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Qian Cai <cai@lca.pw>
Link: http://lkml.kernel.org/r/alpine.LSU.2.11.2008301359460.5954@eggly.anvils
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "mm: fixes to past from future testing".
Here's a set of independent fixes against 5.9-rc2: prompted by
testing Alex Shi's "warning on !memcg" and lru_lock series, but
I think fit for 5.9 - though maybe only the first for stable.
This patch (of 5):
In 5.8 some instances of memcg charging in do_swap_page() and unuse_pte()
were removed, on the understanding that swap cache is now already charged
at those points; but a case was missed, when ksm_might_need_to_copy() has
decided it must allocate a substitute page: such pages were never charged.
Fix it inside ksm_might_need_to_copy().
This was discovered by Alex Shi's prospective commit "mm/memcg: warning on
!memcg after readahead page charged".
But there is a another surprise: this also fixes some rarer uncharged
PageAnon cases, when KSM is configured in, but has never been activated.
ksm_might_need_to_copy()'s anon_vma->root and linear_page_index() check
sometimes catches a case which would need to have been copied if KSM were
turned on. Or that's my optimistic interpretation (of my own old code),
but it leaves some doubt as to whether everything is working as intended
there - might it hint at rare anon ptes which rmap cannot find? A
question not easily answered: put in the fix for missed memcg charges.
Cc; Matthew Wilcox <willy@infradead.org>
Fixes: 4c6355b25e ("mm: memcontrol: charge swapin pages on instantiation")
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Qian Cai <cai@lca.pw>
Cc: <stable@vger.kernel.org> [5.8]
Link: http://lkml.kernel.org/r/alpine.LSU.2.11.2008301343270.5954@eggly.anvils
Link: http://lkml.kernel.org/r/alpine.LSU.2.11.2008301358020.5954@eggly.anvils
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This eliminates the following sparse warning:
init/main.c:306:6: warning: symbol 'xbc_namebuf' was not declared.
Should it be static?
Link: https://lkml.kernel.org/r/20200915070324.2239473-1-yanaijie@huawei.com
Reported-by: Hulk Robot <hulkci@huawei.com>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
- Fix order in trace_hardirqs_off_caller() to make locking state
consistent even if the IRQ tracer calls into lockdep again.
Touches common code. Acked-by Peter Zijlstra.
- Correctly handle secure storage violation exception to avoid kernel
panic triggered by user space misbehaviour.
- Switch the idle->seqcount over to using raw_write_*() to avoid
"suspicious RCU usage".
- Fix memory leaks on hard unplug in pci code.
- Use kvmalloc instead of kmalloc for larger allocations in zcrypt.
- Add few missing __init annotations to static functions to avoid section
mismatch complains when functions are not inlined.
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Merge tag 's390-5.9-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Fix order in trace_hardirqs_off_caller() to make locking state
consistent even if the IRQ tracer calls into lockdep again. Touches
common code. Acked-by Peter Zijlstra.
- Correctly handle secure storage violation exception to avoid kernel
panic triggered by user space misbehaviour.
- Switch the idle->seqcount over to using raw_write_*() to avoid
"suspicious RCU usage".
- Fix memory leaks on hard unplug in pci code.
- Use kvmalloc instead of kmalloc for larger allocations in zcrypt.
- Add few missing __init annotations to static functions to avoid
section mismatch complains when functions are not inlined.
* tag 's390-5.9-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: add 3f program exception handler
lockdep: fix order in trace_hardirqs_off_caller()
s390/pci: fix leak of DMA tables on hard unplug
s390/init: add missing __init annotations
s390/zcrypt: fix kmalloc 256k failure
s390/idle: fix suspicious RCU usage
Removed Thomas Falcon. Added myself (Cristobal Forno) as the maintainer of ibmveth.
Signed-off-by: Cristobal Forno <cforno12@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When IPV6_SEG6_HMAC is enabled and CRYPTO is disabled, it results in the
following Kbuild warning:
WARNING: unmet direct dependencies detected for CRYPTO_HMAC
Depends on [n]: CRYPTO [=n]
Selected by [y]:
- IPV6_SEG6_HMAC [=y] && NET [=y] && INET [=y] && IPV6 [=y]
WARNING: unmet direct dependencies detected for CRYPTO_SHA1
Depends on [n]: CRYPTO [=n]
Selected by [y]:
- IPV6_SEG6_HMAC [=y] && NET [=y] && INET [=y] && IPV6 [=y]
WARNING: unmet direct dependencies detected for CRYPTO_SHA256
Depends on [n]: CRYPTO [=n]
Selected by [y]:
- IPV6_SEG6_HMAC [=y] && NET [=y] && INET [=y] && IPV6 [=y]
The reason is that IPV6_SEG6_HMAC selects CRYPTO_HMAC, CRYPTO_SHA1, and
CRYPTO_SHA256 without depending on or selecting CRYPTO while those configs
are subordinate to CRYPTO.
Honor the kconfig menu hierarchy to remove kconfig dependency warnings.
Fixes: bf355b8d2c ("ipv6: sr: add core files for SR HMAC support")
Signed-off-by: Necip Fazil Yildiran <fazilyildiran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- fix wrong type use in backbone_gw hash, by Linus Luessing
- disable TT re-routing for multicast packets, by Linus Luessing
- Add missing include for in_interrupt(), by Sven Eckelmann
- fix BLA/multicast issues for packets sent via unicast,
by Linus Luessing (3 patches)
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Merge tag 'batadv-net-for-davem-20200918' of git://git.open-mesh.org/linux-merge
Simon Wunderlich says:
====================
Here are some batman-adv bugfixes:
- fix wrong type use in backbone_gw hash, by Linus Luessing
- disable TT re-routing for multicast packets, by Linus Luessing
- Add missing include for in_interrupt(), by Sven Eckelmann
- fix BLA/multicast issues for packets sent via unicast,
by Linus Luessing (3 patches)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix below sparse warning in dpmac.c.
warning: cast to restricted __le64
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The driver-specific usage of the DMA_CTRL_ACK flag was replaced with a
custom flag in commit ceeeb99cd8 ("dmaengine: mxs: rename custom flag"),
but i2c-mxs was not updated to use the new flag, completely breaking I2C
transactions using DMA.
Fixes: ceeeb99cd8 ("dmaengine: mxs: rename custom flag")
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Call netif_tx_disable firstly before starting doing self-test to
avoid sending packet from networking core and self-test packet
simultaneously which may cause self-test failure or hw abnormal.
Fixes: 4aa218a4fe ("hinic: add self test support")
Signed-off-by: Luo bin <luobin9@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Vladimir Oltean says:
====================
Bugfixes in Microsemi Ocelot switch driver
This is a series of 8 assorted patches for "net", on the drivers for the
VSC7514 MIPS switch (Ocelot-1), the VSC9953 PowerPC (Seville), and a few
more that are common to all supported devices since they are in the
common library portion.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently mscc_ocelot_init_ports() will skip initializing a port when it
doesn't have a phy-handle, so the ocelot->ports[port] pointer will be
NULL. Take this into consideration when tearing down the driver, and add
a new function ocelot_deinit_port() to the switch library, mirror of
ocelot_init_port(), which needs to be called by the driver for all ports
it has initialized.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This driver was not unregistering its network interfaces on unbind.
Now it is.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
mscc_ocelot_probe() is already pretty large and hard to follow. So move
the code for parsing ports in a separate function.
This makes it easier for the next patch to just call
mscc_ocelot_release_ports from the error path of mscc_ocelot_init_ports.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ocelot_init() allocates memory, resets the switch and polls for a status
register, things which can fail. Stop probing the driver in that case,
and propagate the error result.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Do not proceed probing if we couldn't allocate memory for the ports
array, just error out.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The VSC9953 Seville switch has 2 megabits of buffer split into 4360
words of 60 bytes each.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The ocelot_port->ts_id is used to:
(a) populate skb->cb[0] for matching the TX timestamp in the PTP IRQ
with an skb.
(b) populate the REW_OP from the injection header of the ongoing skb.
Only then is ocelot_port->ts_id incremented.
This is a problem because, at least theoretically, another timestampable
skb might use the same ocelot_port->ts_id before that is incremented.
Normally all transmit calls are serialized by the netdev transmit
spinlock, but in this case, ocelot_port_add_txtstamp_skb() is also
called by DSA, which has started declaring the NETIF_F_LLTX feature
since commit 2b86cb8299 ("net: dsa: declare lockless TX feature for
slave ports"). So the logic of using and incrementing the timestamp id
should be atomic per port.
The solution is to use the global ocelot_port->ts_id only while
protected by the associated ocelot_port->ts_id_lock. That's where we
populate skb->cb[0]. Note that for ocelot, ocelot_port_add_txtstamp_skb
is called for the actual skb, but for felix, it is called for the skb's
clone. That is something which will also be changed in the future.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The TX-timestampable skb is added late to the ocelot_port->tx_skbs. It
is in a race with the TX timestamp IRQ, which checks that queue trying
to match the timestamp with the skb by the ts_id. The skb should be
added to the queue before the IRQ can fire.
Fixes: 4e3b0468e6 ("net: mscc: PTP Hardware Clock (PHC) support")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The master code needs to being sent when the speed is more than
I2C_MAX_FAST_MODE_PLUS_FREQ, not I2C_MAX_FAST_MODE_FREQ in the
latest I2C-bus specification and user manual.
Signed-off-by: Qii Wang <qii.wang@mediatek.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
The max frequency of mediatek i2c controller driver is
I2C_MAX_HIGH_SPEED_MODE_FREQ, not I2C_MAX_FAST_MODE_PLUS_FREQ.
Fix it.
Fixes: 90224e6468 ("i2c: drivers: Use generic definitions for bus frequencies")
Reviewed-by: Yingjoe Chen <yingjoe.chen@mediatek.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Qii Wang <qii.wang@mediatek.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
we only fixed the other case - CPUs not affected by the erratum coming
up late).
- Fix branch offset in BPF JIT.
- Defer the stolen time initialisation to the CPU online time from the
CPU starting time to avoid a (sleep-able) memory allocation in an
atomic context.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Allow CPUs affected by erratum 1418040 to come online late
(previously we only fixed the other case - CPUs not affected by the
erratum coming up late).
- Fix branch offset in BPF JIT.
- Defer the stolen time initialisation to the CPU online time from the
CPU starting time to avoid a (sleep-able) memory allocation in an
atomic context.
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: paravirt: Initialize steal time when cpu is online
arm64: bpf: Fix branch offset in JIT
arm64: Allow CPUs unffected by ARM erratum 1418040 to come in late
Opt us out of the DEBUG_VM_PGTABLE support for now as it's causing crashes.
Fix a long standing bug in our DMA mask handling that was hidden until recently,
and which caused problems with some drivers.
Fix a boot failure on systems with large amounts of RAM, and no hugepage support
and using Radix MMU, only seen in the lab.
A few other minor fixes.
Thanks to:
Alexey Kardashevskiy, Aneesh Kumar K.V, Gautham R. Shenoy, Hari Bathini, Ira
Weiny, Nick Desaulniers, Shirisha Ganta, Vaibhav Jain, Vaidyanathan
Srinivasan.
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Merge tag 'powerpc-5.9-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Some more powerpc fixes for 5.9:
- Opt us out of the DEBUG_VM_PGTABLE support for now as it's causing
crashes.
- Fix a long standing bug in our DMA mask handling that was hidden
until recently, and which caused problems with some drivers.
- Fix a boot failure on systems with large amounts of RAM, and no
hugepage support and using Radix MMU, only seen in the lab.
- A few other minor fixes.
Thanks to Alexey Kardashevskiy, Aneesh Kumar K.V, Gautham R. Shenoy,
Hari Bathini, Ira Weiny, Nick Desaulniers, Shirisha Ganta, Vaibhav
Jain, and Vaidyanathan Srinivasan"
* tag 'powerpc-5.9-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/papr_scm: Limit the readability of 'perf_stats' sysfs attribute
cpuidle: pseries: Fix CEDE latency conversion from tb to us
powerpc/dma: Fix dma_map_ops::get_required_mask
Revert "powerpc/build: vdso linker warning for orphan sections"
powerpc/mm: Remove DEBUG_VM_PGTABLE support on powerpc
selftests/powerpc: Skip PROT_SAO test in guests/LPARS
powerpc/book3s64/radix: Fix boot failure with large amount of guest memory
- Add support for the Lakefield chip to the RAPL power capping
driver (Ricardo Neri).
- Modify the ACPI processor idle driver to prevent it from triggering
RCU-lockdep complaints which has started to happen after recent
changes in that area (Peter Zijlstra).
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Merge tag 'pm-5.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These add a new CPU ID to the RAPL power capping driver and prevent
the ACPI processor idle driver from triggering RCU-lockdep complaints.
Specifics:
- Add support for the Lakefield chip to the RAPL power capping driver
(Ricardo Neri).
- Modify the ACPI processor idle driver to prevent it from triggering
RCU-lockdep complaints which has started to happen after recent
changes in that area (Peter Zijlstra)"
* tag 'pm-5.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: processor: Take over RCU-idle for C3-BM idle
cpuidle: Allow cpuidle drivers to take over RCU-idle
ACPI: processor: Use CPUIDLE_FLAG_TLB_FLUSHED
ACPI: processor: Use CPUIDLE_FLAG_TIMER_STOP
powercap: RAPL: Add support for Lakefield
Here is a collection of fixes for 5.9. All look small and are
nothing scary. The majority of changes are about ASoC driver-
specific fixes, while there are a couple of ASoC core fixes (DAI
lookup and lockdep stuff) and usual HD-audio quirks.
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Merge tag 'sound-5.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Here is a collection of fixes for 5.9. All look small and are nothing
scary.
The majority of changes are about ASoC driver- specific fixes, while
there are a couple of ASoC core fixes (DAI lookup and lockdep stuff)
and usual HD-audio quirks"
* tag 'sound-5.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (23 commits)
ALSA: hda/realtek - The Mic on a RedmiBook doesn't work
ASoC: tlv320adcx140: Wake up codec before accessing register
ASoC: core: Do not cleanup uninitialized dais on soc_pcm_open failure
ALSA: hda: fixup headset for ASUS GX502 laptop
ASoC: Intel: bytcr_rt5640: Add quirk for MPMAN Converter9 2-in-1
ASoC: Intel: haswell: Fix power transition refactor
ASoC: tlv320adcx140: Fix accessing uninitialized adcx140->dev
ASoC: wm8994: Ensure the device is resumed in wm89xx_mic_detect functions
ASoC: wm8994: Skip setting of the WM8994_MICBIAS register for WM1811
ASoC: meson: axg-toddr: fix channel order on g12 platforms
ASoC: soc-core: add snd_soc_find_dai_with_mutex()
ASoC: qcom: common: Fix refcount imbalance on error
ASoC: rt700: Fix return check for devm_regmap_init_sdw()
ASoC: rt715: Fix return check for devm_regmap_init_sdw()
ASoC: rt711: Fix return check for devm_regmap_init_sdw()
ASoC: rt1308-sdw: Fix return check for devm_regmap_init_sdw()
ASoC: max98373: Fix return check for devm_regmap_init_sdw()
ASoC: ti: fixup ams_delta_mute() function name
ASoC: pcm3168a: ignore 0 Hz settings
ASoC: Intel: tgl_max98373: fix a runtime pm issue in multi-thread case
...
Since kprobe_event= cmdline option allows user to put kprobes on the
functions in initmem, kprobe has to make such probes gone after boot.
Currently the probes on the init functions in modules will be handled
by module callback, but the kernel init text isn't handled.
Without this, kprobes may access non-exist text area to disable or
remove it.
Link: https://lkml.kernel.org/r/159972810544.428528.1839307531600646955.stgit@devnote2
Fixes: 970988e19e ("tracing/kprobe: Add kprobe_event= boot parameter")
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <skhan@linuxfoundation.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Two fixes for the AMD IOMMU driver:
- Fix a potential NULL-ptr dereference found by smatch
- Fix interrupt remapping when a device is assigned to a guest
and AVIC is enabled.
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Merge tag 'iommu-fixes-v5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu fixes from Joerg Roedel:
"Two fixes for the AMD IOMMU driver:
- Fix a potential NULL-ptr dereference found by smatch
- Fix interrupt remapping when a device is assigned to a guest and
AVIC is enabled"
* tag 'iommu-fixes-v5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/amd: Restore IRTE.RemapEn bit for amd_iommu_activate_guest_mode
iommu/amd: Fix potential @entry null deref
Revert patches that caused non volatile Quad Enable bit to be cleared
for certain SPI NOR flashes during module remove or during shutdown, thus
breaking backward compatibility.
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Merge tag 'mtd/fixes-for-5.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD/SPI NOR fixes from Vignesh Raghavendra:
"Revert patches that caused non volatile Quad Enable bit to be cleared
for certain SPI NOR flashes during module remove or during shutdown,
thus breaking backward compatibility"
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
* tag 'mtd/fixes-for-5.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
Revert "mtd: spi-nor: Add capability to disable flash quad mode"
Revert "mtd: spi-nor: Disable the flash quad mode in spi_nor_restore()"
When a function is annotated with STACK_FRAME_NON_STANDARD, objtool
doesn't validate its code paths. It also skips sibling call detection
within the function.
But sibling call detection is actually needed for the case where the
ignored function doesn't have any return instructions. Otherwise
objtool naively marks the function as implicit static noreturn, which
affects the reachability of its callers, resulting in "unreachable
instruction" warnings.
Fix it by just enabling sibling call detection for ignored functions.
The 'insn->ignore' check in add_jump_destinations() is no longer needed
after
e6da956795 ("objtool: Don't use ignore flag for fake jumps").
Fixes the following warning:
arch/x86/kvm/vmx/vmx.o: warning: objtool: vmx_handle_exit_irqoff()+0x142: unreachable instruction
which triggers on an allmodconfig with CONFIG_GCOV_KERNEL unset.
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lkml.kernel.org/r/5b1e2536cdbaa5246b60d7791b76130a74082c62.1599751464.git.jpoimboe@redhat.com
clang static analyzer reports this problem
trace_events_hist.c:3824:3: warning: Attempt to free
released memory
kfree(hist_data->attrs->var_defs.name[i]);
In parse_var_defs() if there is a problem allocating
var_defs.expr, the earlier var_defs.name is freed.
This free is duplicated by free_var_defs() which frees
the rest of the list.
Because free_var_defs() has to run anyway, remove the
second free fom parse_var_defs().
Link: https://lkml.kernel.org/r/20200907135845.15804-1-trix@redhat.com
Cc: stable@vger.kernel.org
Fixes: 30350d65ac ("tracing: Add variable support to hist triggers")
Reviewed-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Commit 32927393dc ("sysctl: pass kernel pointers to ->proc_handler")
changed ctl_table.proc_handler to take a kernel pointer. Adjust the
signature of ftrace_enable_sysctl to match ctl_table.proc_handler which
fixes the following sparse warning:
kernel/trace/ftrace.c:7544:43: warning: incorrect type in argument 3 (different address spaces)
kernel/trace/ftrace.c:7544:43: expected void *
kernel/trace/ftrace.c:7544:43: got void [noderef] __user *buffer
Link: https://lkml.kernel.org/r/20200907093207.13540-1-tklauser@distanz.ch
Fixes: 32927393dc ("sysctl: pass kernel pointers to ->proc_handler")
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Now that kvm_vcpu_trap_is_write_fault() checks for S1PTW, there
is no need for kvm_vcpu_dabt_iswrite() to do the same thing, as
we already check for this condition on all existing paths.
Drop the check and add a comment instead.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20200915104218.1284701-3-maz@kernel.org
KVM currently assumes that an instruction abort can never be a write.
This is in general true, except when the abort is triggered by
a S1PTW on instruction fetch that tries to update the S1 page tables
(to set AF, for example).
This can happen if the page tables have been paged out and brought
back in without seeing a direct write to them (they are thus marked
read only), and the fault handling code will make the PT executable(!)
instead of writable. The guest gets stuck forever.
In these conditions, the permission fault must be considered as
a write so that the Stage-1 update can take place. This is essentially
the I-side equivalent of the problem fixed by 60e21a0ef5 ("arm64: KVM:
Take S1 walks into account when determining S2 write faults").
Update kvm_is_write_fault() to return true on IABT+S1PTW, and introduce
kvm_vcpu_trap_is_exec_fault() that only return true when no faulting
on a S1 fault. Additionally, kvm_vcpu_dabt_iss1tw() is renamed to
kvm_vcpu_abt_iss1tw(), as the above makes it plain that it isn't
specific to data abort.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Will Deacon <will@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20200915104218.1284701-2-maz@kernel.org
For 64bit CONFIG_BASE_SMALL=0 systems PID_MAX_LIMIT is set by default to
4194304. During boot the kernel sets a new value based on number of CPUs
but no lower than 32768. It is 1024 per CPU so with 128 CPUs the default
becomes 131072 which needs six digits.
This value can be increased during run time but must not exceed the
initial upper limit.
Systemd sometime after v241 sets it to the upper limit during boot. The
result is that when the pid exceeds five digits, the trace output is a
little hard to read because it is no longer properly padded (same like
on big iron with 98+ CPUs).
Increase the pid padding to seven digits.
Link: https://lkml.kernel.org/r/20200904082331.dcdkrr3bkn3e4qlg@linutronix.de
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Add synchronize_rcu() after list_del_rcu() in
ftrace_remove_trampoline_from_kallsyms() to protect readers of
ftrace_ops_trampoline_list (in ftrace_get_trampoline_kallsym)
which is used when kallsyms is read.
Link: https://lkml.kernel.org/r/20200901091617.31837-1-adrian.hunter@intel.com
Fixes: fc0ea795f5 ("ftrace: Add symbols for ftrace trampolines")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Commit fc0ea795f5 ("ftrace: Add symbols for ftrace trampolines")
missed to remove ops from new ftrace_ops_trampoline_list in
ftrace_startup() if ftrace_hash_ipmodify_enable() fails there. It may
lead to BUG if such ops come from a module which may be removed.
Moreover, the trampoline itself is not freed in this case.
Fix it by calling ftrace_trampoline_free() during the rollback.
Link: https://lkml.kernel.org/r/20200831122631.28057-1-mbenes@suse.cz
Fixes: fc0ea795f5 ("ftrace: Add symbols for ftrace trampolines")
Fixes: f8b8be8a31 ("ftrace, kprobes: Support IPMODIFY flag to find IP modify conflict")
Signed-off-by: Miroslav Benes <mbenes@suse.cz>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
* pm-cpuidle:
ACPI: processor: Take over RCU-idle for C3-BM idle
cpuidle: Allow cpuidle drivers to take over RCU-idle
ACPI: processor: Use CPUIDLE_FLAG_TLB_FLUSHED
ACPI: processor: Use CPUIDLE_FLAG_TIMER_STOP
Commit c9b09a9249 ("kconfig: qconf: use delete[] instead of delete
to free array") fixed two lines, but there is one more.
(cppcheck does not report it for some reason...)
This was detected by Clang.
"make HOSTCXX=clang++ xconfig" reports the following:
scripts/kconfig/qconf.cc:1279:2: warning: 'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'? [-Wmismatched-new-delete]
delete data;
^
[]
scripts/kconfig/qconf.cc:1239:15: note: allocated with 'new[]' here
char *data = new char[count + 1];
^
Fixes: c4f7398bee ("kconfig: qconf: make debug links work again")
Fixes: c9b09a9249 ("kconfig: qconf: use delete[] instead of delete to free array")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
When trying to associate to an AP support 180 or 80+80 MHz on 6 GHz with a
STA that only has 80 Mhz support the cf2 field inside the chandef will get
set causing the association to fail when trying to validate the chandef.
Fix this by checking the support flags prior to setting cf2.
Fixes: 57fa5e85d5 ("mac80211: determine chandef from HE 6 GHz operation")
Signed-off-by: John Crispin <john@phrozen.org>
Link: https://lore.kernel.org/r/20200918115304.1135693-1-john@phrozen.org
[reword commit message a bit]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Fixes: 94cc89eb8f ("regmap: debugfs: Fix handling of name string for debugfs init delays")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20200918112002.15216-1-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
