This patch adds support for the machine board with TS3A227.
Signed-off-by: Shunli Wang <shunli.wang@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Add the ACPI ID for the product "chromebook pixel 2015" to match the
coreboot settings.
Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Support multiple endpoints on cs42L51 codec port
when used in of_graph context.
This patch allows to share the codec port between two CPU DAIs.
Example:
STM32MP157C-DK2 board uses CS42L51 audio codec.
This codec is connected to two serial audio interfaces,
which are configured either as rx or tx.
From AsoC point of view the topolgy is the following:
// 2 CPU DAIs (SAI2A/B), 1 Codec (CS42L51)
Playback: CPU-A-DAI(slave) -> (master)CODEC-DAI/port0
Record: CPU-B-DAI(slave) <- (master)CODEC-DAI/port0
In the DT two endpoints have to be associated to the codec port:
cs42l51_port: port {
cs42l51_tx_endpoint: endpoint@0 {
remote-endpoint = <&sai2a_endpoint>;
};
cs42l51_rx_endpoint: endpoint@1 {
remote-endpoint = <&sai2b_endpoint>;
};
};
However, when the audio graph card parses the codec nodes, it expects
to find DAI interface indexes matching the endpoints indexes.
The current patch forces the use of DAI id 0 for both endpoints,
which allows to share the codec DAI between the two CPU DAIs
for playback and capture streams respectively.
Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
The common pins were mistakenly not added to the DAPM graph.
Adding these pins will allow valid graphs to be created.
Signed-off-by: Annaliese McDermond <nh6z@nh6z.net>
Signed-off-by: Mark Brown <broonie@kernel.org>
On top of this, a cleanup of kvm_para.h headers, which were exported by
some architectures even though they not support KVM at all. This is
responsible for all the Kbuild changes in the diffstat.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini:
"A collection of x86 and ARM bugfixes, and some improvements to
documentation.
On top of this, a cleanup of kvm_para.h headers, which were exported
by some architectures even though they not support KVM at all. This is
responsible for all the Kbuild changes in the diffstat"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (28 commits)
Documentation: kvm: clarify KVM_SET_USER_MEMORY_REGION
KVM: doc: Document the life cycle of a VM and its resources
KVM: selftests: complete IO before migrating guest state
KVM: selftests: disable stack protector for all KVM tests
KVM: selftests: explicitly disable PIE for tests
KVM: selftests: assert on exit reason in CR4/cpuid sync test
KVM: x86: update %rip after emulating IO
x86/kvm/hyper-v: avoid spurious pending stimer on vCPU init
kvm/x86: Move MSR_IA32_ARCH_CAPABILITIES to array emulated_msrs
KVM: x86: Emulate MSR_IA32_ARCH_CAPABILITIES on AMD hosts
kvm: don't redefine flags as something else
kvm: mmu: Used range based flushing in slot_handle_level_range
KVM: export <linux/kvm_para.h> and <asm/kvm_para.h> iif KVM is supported
KVM: x86: remove check on nr_mmu_pages in kvm_arch_commit_memory_region()
kvm: nVMX: Add a vmentry check for HOST_SYSENTER_ESP and HOST_SYSENTER_EIP fields
KVM: SVM: Workaround errata#1096 (insn_len maybe zero on SMAP violation)
KVM: Reject device ioctls from processes other than the VM's creator
KVM: doc: Fix incorrect word ordering regarding supported use of APIs
KVM: x86: fix handling of role.cr4_pae and rename it to 'gpte_size'
KVM: nVMX: Do not inherit quadrant and invalid for the root shadow EPT
...
Pull x86 fixes from Thomas Gleixner:
"A pile of x86 updates:
- Prevent exceeding he valid physical address space in the /dev/mem
limit checks.
- Move all header content inside the header guard to prevent compile
failures.
- Fix the bogus __percpu annotation in this_cpu_has() which makes
sparse very noisy.
- Disable switch jump tables completely when retpolines are enabled.
- Prevent leaking the trampoline address"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/realmode: Make set_real_mode_mem() static inline
x86/cpufeature: Fix __percpu annotation in this_cpu_has()
x86/mm: Don't exceed the valid physical address space
x86/retpolines: Disable switch jump tables when retpolines are enabled
x86/realmode: Don't leak the trampoline kernel address
x86/boot: Fix incorrect ifdeffery scope
x86/resctrl: Remove unused variable
Pull perf tooling fixes from Thomas Gleixner:
"Core libraries:
- Fix max perf_event_attr.precise_ip detection.
- Fix parser error for uncore event alias
- Fixup ordering of kernel maps after obtaining the main kernel map
address.
Intel PT:
- Fix TSC slip where A TSC packet can slip past MTC packets so that
the timestamp appears to go backwards.
- Fixes for exported-sql-viewer GUI conversion to python3.
ARM coresight:
- Fix the build by adding a missing case value for enumeration value
introduced in newer library, that now is the required one.
tool headers:
- Syncronize kernel headers with the kernel, getting new io_uring and
pidfd_send_signal syscalls so that 'perf trace' can handle them"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf pmu: Fix parser error for uncore event alias
perf scripts python: exported-sql-viewer.py: Fix python3 support
perf scripts python: exported-sql-viewer.py: Fix never-ending loop
perf machine: Update kernel map address and re-order properly
tools headers uapi: Sync powerpc's asm/kvm.h copy with the kernel sources
tools headers: Update x86's syscall_64.tbl and uapi/asm-generic/unistd
tools headers uapi: Update drm/i915_drm.h
tools arch x86: Sync asm/cpufeatures.h with the kernel sources
tools headers uapi: Sync linux/fcntl.h to get the F_SEAL_FUTURE_WRITE addition
tools headers uapi: Sync asm-generic/mman-common.h and linux/mman.h
perf evsel: Fix max perf_event_attr.precise_ip detection
perf intel-pt: Fix TSC slip
perf cs-etm: Add missing case value
Pull CPU hotplug fixes from Thomas Gleixner:
"Two SMT/hotplug related fixes:
- Prevent crash when HOTPLUG_CPU is disabled and the CPU bringup
aborts. This is triggered with the 'nosmt' command line option, but
can happen by any abort condition. As the real unplug code is not
compiled in, prevent the fail by keeping the CPU in zombie state.
- Enforce HOTPLUG_CPU for SMP on x86 to avoid the above situation
completely. With 'nosmt' being a popular option it's required to
unplug the half brought up sibling CPUs (due to the MCE wreckage)
completely"
* 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/smp: Enforce CONFIG_HOTPLUG_CPU when SMP=y
cpu/hotplug: Prevent crash when CPU bringup fails on CONFIG_HOTPLUG_CPU=n
Pull locking fixlet from Thomas Gleixner:
"Trivial update to the maintainers file"
* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
MAINTAINERS: Remove deleted file from futex file pattern
Pull core fixes from Thomas Gleixner:
"A small set of core updates:
- Make the watchdog respect the selected CPU mask again. That was
broken by the rework of the watchdog thread management and caused
inconsistent state and NMI watchdog being unstoppable.
- Ensure that the objtool build can find the libelf location.
- Remove dead kcore stub code"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
watchdog: Respect watchdog cpumask on CPU hotplug
objtool: Query pkg-config for libelf location
proc/kcore: Remove unused kclist_add_remap()
Three non-regression fixes.
Our optimised memcmp could read past the end of one of the buffers and
potentially trigger a page fault leading to an oops.
Some of our code to read energy management data on PowerVM had an endian bug
leading to bogus results.
When reporting a machine check exception we incorrectly reported TLB multihits
as D-Cache multhits due to a missing entry in the array of causes.
Thanks to:
Chandan Rajendra, Gautham R. Shenoy, Mahesh Salgaonkar, Segher Boessenkool,
Vaidyanathan Srinivasan.
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Merge tag 'powerpc-5.1-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Three non-regression fixes.
- Our optimised memcmp could read past the end of one of the buffers
and potentially trigger a page fault leading to an oops.
- Some of our code to read energy management data on PowerVM had an
endian bug leading to bogus results.
- When reporting a machine check exception we incorrectly reported
TLB multihits as D-Cache multhits due to a missing entry in the
array of causes.
Thanks to: Chandan Rajendra, Gautham R. Shenoy, Mahesh Salgaonkar,
Segher Boessenkool, Vaidyanathan Srinivasan"
* tag 'powerpc-5.1-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/pseries/mce: Fix misleading print for TLB mutlihit
powerpc/pseries/energy: Use OF accessor functions to read ibm,drc-indexes
powerpc/64: Fix memcmp reading past the end of src/dest
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Merge tag 'led-fixes-for-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED fixes from Jacek Anaszewski:
- fix refcnt leak on interface rename
- use memcpy in device_name_store() to avoid including garbage from a
previous, longer value in the device_name
- fix a potential NULL pointer dereference in case of_match_device()
cannot find a match
* tag 'led-fixes-for-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
leds: trigger: netdev: use memcpy in device_name_store
leds: pca9532: fix a potential NULL pointer dereference
leds: trigger: netdev: fix refcnt leak on interface rename
- Revert the extended use of gpio_set_config() and think about
how we can do this properly.
- Fix up the SPI CS GPIO handling so it now works properly on
the SPI bus children, as intended.
- Error paths and driver fixes.
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Merge tag 'gpio-v5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"As you can see [in the git history] I was away on leave and Bartosz
kindly stepped in and collected a slew of fixes, I pulled them into my
tree in two sets and merged some two more fixes (fixing my own caused
bugs) on top.
Summary:
- Revert the extended use of gpio_set_config() and think about how we
can do this properly.
- Fix up the SPI CS GPIO handling so it now works properly on the SPI
bus children, as intended.
- Error paths and driver fixes"
* tag 'gpio-v5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: mockup: use simple_read_from_buffer() in debugfs read callback
gpio: of: Fix of_gpiochip_add() error path
gpio: of: Check for "spi-cs-high" in child instead of parent node
gpio: of: Check propname before applying "cs-gpios" quirks
gpio: mockup: fix debugfs read
Revert "gpio: use new gpio_set_config() helper in more places"
gpio: aspeed: fix a potential NULL pointer dereference
gpio: amd-fch: Fix bogus SPDX identifier
gpio: adnp: Fix testing wrong value in adnp_gpio_direction_input
gpio: exar: add a check for the return value of ida_simple_get fails
If userspace doesn't end the input with a newline (which can easily
happen if the write happens from a C program that does write(fd,
iface, strlen(iface))), we may end up including garbage from a
previous, longer value in the device_name. For example
# cat device_name
# printf 'eth12' > device_name
# cat device_name
eth12
# printf 'eth3' > device_name
# cat device_name
eth32
I highly doubt anybody is relying on this behaviour, so switch to
simply copying the bytes (we've already checked that size is <
IFNAMSIZ) and unconditionally zero-terminate it; of course, we also
still have to strip a trailing newline.
This is also preparation for future patches.
Fixes: 06f502f57d ("leds: trigger: Introduce a NETDEV trigger")
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
In case of_match_device cannot find a match, return -EINVAL to avoid
NULL pointer dereference.
Fixes: fa4191a609 ("leds: pca9532: Add device tree support")
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Here are some small staging driver fixes for 5.1-rc3, and one driver
removal.
The biggest thing here is the removal of the mt7621-eth driver as a
"real" network driver was merged in 5.1-rc1 for this hardware, so this
old driver can now be removed.
Other than that, there are just a number of small fixes, all resolving
reported issues and some potential corner cases for error handling
paths.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are some small staging driver fixes for 5.1-rc3, and one driver
removal.
The biggest thing here is the removal of the mt7621-eth driver as a
"real" network driver was merged in 5.1-rc1 for this hardware, so this
old driver can now be removed.
Other than that, there are just a number of small fixes, all resolving
reported issues and some potential corner cases for error handling
paths.
All of these have been in linux-next with no reported issues"
* tag 'staging-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: vt6655: Remove vif check from vnt_interrupt
staging: erofs: keep corrupted fs from crashing kernel in erofs_readdir()
staging: octeon-ethernet: fix incorrect PHY mode
staging: vc04_services: Fix an error code in vchiq_probe()
staging: erofs: fix error handling when failed to read compresssed data
staging: vt6655: Fix interrupt race condition on device start up.
staging: rtlwifi: Fix potential NULL pointer dereference of kzalloc
staging: rtl8712: uninitialized memory in read_bbreg_hdl()
staging: rtlwifi: rtl8822b: fix to avoid potential NULL pointer dereference
staging: rtl8188eu: Fix potential NULL pointer dereference of kcalloc
staging, mt7621-pci: fix build without pci support
staging: speakup_soft: Fix alternate speech with other synths
staging: axis-fifo: add CONFIG_OF dependency
staging: olpc_dcon_xo_1: add missing 'const' qualifier
staging: comedi: ni_mio_common: Fix divide-by-zero for DIO cmdtest
staging: erofs: fix to handle error path of erofs_vmap()
staging: mt7621-dts: update ethernet settings.
staging: remove mt7621-eth
Here are some small tty and serial driver fixes for 5.1-rc3.
Nothing major here, just a number of potential problems fixes for error
handling paths, as well as some other minor bugfixes for reported issues
with 5.1-rc1.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are some small tty and serial driver fixes for 5.1-rc3.
Nothing major here, just a number of potential problems fixes for
error handling paths, as well as some other minor bugfixes for
reported issues with 5.1-rc1.
All of these have been in linux-next with no reported issues"
* tag 'tty-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: fix NULL pointer issue when tty_port ops is not set
Disable kgdboc failed by echo space to /sys/module/kgdboc/parameters/kgdboc
dt-bindings: serial: Add compatible for Mediatek MT8183
tty/serial: atmel: RS485 HD w/DMA: enable RX after TX is stopped
tty/serial: atmel: Add is_half_duplex helper
serial: sh-sci: Fix setting SCSCR_TIE while transferring data
serial: ar933x_uart: Fix build failure with disabled console
tty: serial: qcom_geni_serial: Initialize baud in qcom_geni_console_setup
sc16is7xx: missing unregister/delete driver on error in sc16is7xx_init()
tty: mxs-auart: fix a potential NULL pointer dereference
tty: atmel_serial: fix a potential NULL pointer dereference
serial: max310x: Fix to avoid potential NULL pointer dereference
serial: mvebu-uart: Fix to avoid a potential NULL pointer dereference
Here are some small USB fixes for 5.1-rc3.
Nothing major at all here, just a small collection of fixes for reported
issues, and potential problems with error handling paths. Also a few
new device ids, as normal.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for 5.1-rc3.
Nothing major at all here, just a small collection of fixes for
reported issues, and potential problems with error handling paths.
Also a few new device ids, as normal.
All of these have been in linux-next with no reported issues"
* tag 'usb-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (25 commits)
USB: serial: option: add Olicard 600
USB: serial: cp210x: add new device id
usb: u132-hcd: fix resource leak
usb: cdc-acm: fix race during wakeup blocking TX traffic
usb: mtu3: fix EXTCON dependency
usb: usb251xb: fix to avoid potential NULL pointer dereference
usb: core: Try generic PHY_MODE_USB_HOST if usb_phy_roothub_set_mode fails
phy: sun4i-usb: Support set_mode to USB_HOST for non-OTG PHYs
xhci: Don't let USB3 ports stuck in polling state prevent suspend
usb: xhci: dbc: Don't free all memory with spinlock held
xhci: Fix port resume done detection for SS ports with LPM enabled
USB: serial: mos7720: fix mos_parport refcount imbalance on error path
USB: gadget: f_hid: fix deadlock in f_hidg_write()
usb: gadget: net2272: Fix net2272_dequeue()
usb: gadget: net2280: Fix net2280_dequeue()
usb: gadget: net2280: Fix overrun of OUT messages
usb: dwc3: pci: add support for Comet Lake PCH ID
usb: usb251xb: Remove unnecessary comparison of unsigned integer with >= 0
usb: common: Consider only available nodes for dr_mode
usb: typec: tcpm: Try PD-2.0 if sink does not respond to 3.0 source-caps
...
Correct a previous attempt to make Linux use its own set of ACPI debug
flags different from the upstream ACPICA's default (Erik Schmauss).
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Merge tag 'acpi-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"This corrects a previous attempt to make Linux use its own set of ACPI
debug flags different from the upstream ACPICA's default (Erik
Schmauss)"
* tag 'acpi-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: use different default debug value than ACPICA
- Fix the ACPI CPPC library to actually follow the specification
when decoding the guaranteed performance register information and
make the intel_pstate driver to fall back to the nominal frequency
when reporting the base frequency if the guaranteed performance
register information is not there (Srinivas Pandruvada).
- Fix use-after-free in the exit callback of the scpi-cpufreq left
after an update during the 5.0 development cycle (Vincent Stehlé).
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Merge tag 'pm-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix CPU base frequency reporting in the intel_pstate driver and
a use-after-free in the scpi-cpufreq driver.
Specifics:
- Fix the ACPI CPPC library to actually follow the specification when
decoding the guaranteed performance register information and make
the intel_pstate driver to fall back to the nominal frequency when
reporting the base frequency if the guaranteed performance register
information is not there (Srinivas Pandruvada).
- Fix use-after-free in the exit callback of the scpi-cpufreq left
after an update during the 5.0 development cycle (Vincent Stehlé)"
* tag 'pm-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: scpi: Fix use after free
cpufreq: intel_pstate: Also use CPPC nominal_perf for base_frequency
ACPI / CPPC: Fix guaranteed performance handling
Pull security layer fixes from James Morris:
"Yama and LSM config fixes"
* 'fixes-v5.1-a' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
LSM: Revive CONFIG_DEFAULT_SECURITY_* for "make oldconfig"
Yama: mark local symbols as static
Merge misc fixes from Andrew Morton:
"22 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (22 commits)
fs/proc/proc_sysctl.c: fix NULL pointer dereference in put_links
fs: fs_parser: fix printk format warning
checkpatch: add %pt as a valid vsprintf extension
mm/migrate.c: add missing flush_dcache_page for non-mapped page migrate
drivers/block/zram/zram_drv.c: fix idle/writeback string compare
mm/page_isolation.c: fix a wrong flag in set_migratetype_isolate()
mm/memory_hotplug.c: fix notification in offline error path
ptrace: take into account saved_sigmask in PTRACE{GET,SET}SIGMASK
fs/proc/kcore.c: make kcore_modules static
include/linux/list.h: fix list_is_first() kernel-doc
mm/debug.c: fix __dump_page when mapping->host is not set
mm: mempolicy: make mbind() return -EIO when MPOL_MF_STRICT is specified
include/linux/hugetlb.h: convert to use vm_fault_t
iommu/io-pgtable-arm-v7s: request DMA32 memory, and improve debugging
mm: add support for kmem caches in DMA32 zone
ocfs2: fix inode bh swapping mixup in ocfs2_reflink_inodes_lock
mm/hotplug: fix offline undo_isolate_page_range()
fs/open.c: allow opening only regular files during execve()
mailmap: add Changbin Du
mm/debug.c: add a cast to u64 for atomic64_read()
...
request_standard_resources(), the latter being limited to the low 4G
memory range on arm64.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Catalin Marinas:
"Use memblock_alloc() instead of memblock_alloc_low() in
request_standard_resources(), the latter being limited to the low 4G
memory range on arm64"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: replace memblock_alloc_low with memblock_alloc
Including:
- Fix a bug in the AMD IOMMU driver not handling exclusion ranges
correctly. In fact the driver did not reserve these ranges for
IOVA allocations, so that dma-handles could be allocated in an
exclusion range, leading to data corruption. Exclusion ranges
have not been used by any firmware up to now, so this issue
remained undiscovered for quite some time.
- Fix wrong warning messages that the IOMMU core code prints
when it tries to allocate the default domain for an iommu
group and the driver does not support any of the default
domain types (like Intel VT-d).
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Merge tag 'iommu-fixes-v5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
- Fix a bug in the AMD IOMMU driver not handling exclusion ranges
correctly. In fact the driver did not reserve these ranges for IOVA
allocations, so that dma-handles could be allocated in an exclusion
range, leading to data corruption. Exclusion ranges have not been
used by any firmware up to now, so this issue remained undiscovered
for quite some time.
- Fix wrong warning messages that the IOMMU core code prints when it
tries to allocate the default domain for an iommu group and the
driver does not support any of the default domain types (like Intel
VT-d).
* tag 'iommu-fixes-v5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/amd: Reserve exclusion range in iova-domain
iommu: Don't print warning when IOMMU driver only supports unmanaged domains
Here is a single driver core patch for 5.1-rc3.
After 5.1-rc1, all of the users of BUS_ATTR() are finally removed, so we
can now drop this macro from include/linux/device.h so that no more new
users will be created.
This patch has been in linux-next for a while, with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fix from Greg KH:
"Here is a single driver core patch for 5.1-rc3.
After 5.1-rc1, all of the users of BUS_ATTR() are finally removed, so
we can now drop this macro from include/linux/device.h so that no more
new users will be created.
This patch has been in linux-next for a while, with no reported
issues"
* tag 'driver-core-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
driver core: remove BUS_ATTR()
Here are some binder, habanalabs, and vboxguest driver fixes for
5.1-rc3.
The Binder fixes resolve some reported issues found by testing, first by
the selinux developers, and then earlier today by syzbot.
The habanalabs fixes are all minor, resolving a number of tiny things.
The vboxguest patches are a bit larger. They resolve the fact that
virtual box decided to change their api in their latest release in a way
that broke the existing kernel code, despite saying that they were never
going to do that. So this is a bit of a "new feature", but is good to
get merged so that 5.1 will work with the latest release. The changes
are not large and of course virtual box "swears" they will not break
this again, but no one is holding their breath here.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some binder, habanalabs, and vboxguest driver fixes for
5.1-rc3.
The Binder fixes resolve some reported issues found by testing, first
by the selinux developers, and then earlier today by syzbot.
The habanalabs fixes are all minor, resolving a number of tiny things.
The vboxguest patches are a bit larger. They resolve the fact that
virtual box decided to change their api in their latest release in a
way that broke the existing kernel code, despite saying that they were
never going to do that. So this is a bit of a "new feature", but is
good to get merged so that 5.1 will work with the latest release. The
changes are not large and of course virtual box "swears" they will not
break this again, but no one is holding their breath here.
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
virt: vbox: Implement passing requestor info to the host for VirtualBox 6.0.x
binder: fix race between munmap() and direct reclaim
binder: fix BUG_ON found by selinux-testsuite
habanalabs: cast to expected type
habanalabs: prevent host crash during suspend/resume
habanalabs: perform accounting for active CS
habanalabs: fix mapping with page size bigger than 4KB
habanalabs: complete user context cleanup before hard reset
habanalabs: fix bug when mapping very large memory area
habanalabs: fix MMU number of pages calculation
13 Fixes, 7 of which are for IBM fibre channel and three additional
for fairly serious bugs in drivers (qla2xxx, mpt3sas, aacraid). Of
the three core fixes, the most significant is probably the missed run
queue causing an indefinite hang. The others are fixing a potential
use after free on device close and silencing an incorrect warning.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Thirteen fixes, seven of which are for IBM fibre channel and three
additional for fairly serious bugs in drivers (qla2xxx, mpt3sas,
aacraid).
Of the three core fixes, the most significant is probably the missed
run queue causing an indefinite hang. The others are fixing a
potential use after free on device close and silencing an incorrect
warning"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ibmvfc: Clean up transport events
scsi: ibmvfc: Byte swap status and error codes when logging
scsi: ibmvfc: Add failed PRLI to cmd_status lookup array
scsi: ibmvfc: Remove "failed" from logged errors
scsi: zfcp: reduce flood of fcrscn1 trace records on multi-element RSCN
scsi: zfcp: fix scsi_eh host reset with port_forced ERP for non-NPIV FCP devices
scsi: zfcp: fix rport unblock if deleted SCSI devices on Scsi_Host
scsi: sd: Quiesce warning if device does not report optimal I/O size
scsi: sd: Fix a race between closing an sd device and sd I/O
scsi: core: Run queue when state is set to running after being blocked
scsi: qla4xxx: fix a potential NULL pointer dereference
scsi: aacraid: Insure we don't access PCIe space during AER/EEH
scsi: mpt3sas: Fix kernel panic during expander reset
Pull i2c fixes from Wolfram Sang:
"A new ID for the i801 driver and some Documentation fixes to make it
easier for people to find the bindings (which is also a basis for
further improvements in that area)"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: wmt: make bindings file name match the driver
i2c: sun6i-p2wi: make bindings file name match the driver
i2c: stu300: make bindings file name match the driver
i2c: mt65xx: make bindings file name match the driver
i2c: iop3xx: make bindings file name match the driver
i2c: i801: Add support for Intel Comet Lake
The important fixes at this time are a couple fixes in ALSA core:
a fix for PCM is about the OOB access in PCM OSS plugins that has
been for long time, but hasn't hit so often until now just because
we allocated a large buffer via vmalloc(), and surfaced more often
after switching to kvmalloc(). Another fix is for a long-standing
PCM problem wrt racy PM resume. Others are trivial nospec coverage
and usual HD-audio quirks.
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Merge tag 'sound-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"The important fixes at this time are a couple fixes in ALSA core: a
fix for PCM is about the OOB access in PCM OSS plugins that has been
for long time, but hasn't hit so often until now just because we
allocated a large buffer via vmalloc(), and surfaced more often after
switching to kvmalloc(). Another fix is for a long-standing PCM
problem wrt racy PM resume.
Others are trivial nospec coverage and usual HD-audio quirks"
* tag 'sound-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/realtek - Fix speakers on Acer Predator Helios 500 Ryzen laptops
ALSA: pcm: Don't suspend stream in unrecoverable PCM state
ALSA: hda/ca0132 - Simplify alt firmware loading code
ALSA: pcm: Fix possible OOB access in PCM oss plugins
ALSA: hda/realtek: Enable headset MIC of ASUS X430UN and X512DK with ALC256
ALSA: hda/realtek: Enable headset mic of ASUS P5440FF with ALC256
ALSA: hda/realtek: Enable ASUS X441MB and X705FD headset MIC with ALC256
ALSA: hda/realtek - Add support for Acer Aspire E5-523G/ES1-432 headset mic
ALSA: hda/realtek: Enable headset MIC of Acer Aspire Z24-890 with ALC286
ALSA: seq: oss: Fix Spectre v1 vulnerability
ALSA: rawmidi: Fix potential Spectre v1 vulnerability
- Remove harmful -Oz option of Clang
- Get back the original behavior (no recursion for in-tree build)
for GNU Make 4.x
- Some minor fixes for coccinelle patches
- Do not overwrite .gitignore in the output directory in case
it is version-controlled
- Fix missed record-mcount bug for dynamic ftrace
- Fix endianness bug in modversions for relative CRC
- Cater to '^H' key code in Kconfig ncurses programs
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Merge tag 'kbuild-fixes-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Remove harmful -Oz option of Clang
- Get back the original behavior (no recursion for in-tree build) for
GNU Make 4.x
- Some minor fixes for coccinelle patches
- Do not overwrite .gitignore in the output directory in case it is
version-controlled
- Fix missed record-mcount bug for dynamic ftrace
- Fix endianness bug in modversions for relative CRC
- Cater to '^H' key code in Kconfig ncurses programs
* tag 'kbuild-fixes-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kconfig/[mn]conf: handle backspace (^H) key
kbuild: modversions: Fix relative CRC byte order interpretation
scripts: coccinelle: Fix description of badty.cocci
kbuild: strip whitespace in cmd_record_mcount findstring
kbuild: do not overwrite .gitignore in output directory
kbuild: skip parsing pre sub-make code for recursion
coccinelle: put_device: reduce false positives
kbuild: skip sub-make for in-tree build with GNU Make 4.x
Revert "kbuild: use -Oz instead of -Os when using clang"
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Merge tag 'for-linus-20190329' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"Small set of fixes that should go into this series. This contains:
- compat signal mask fix for io_uring (Arnd)
- EAGAIN corner case for direct vs buffered writes for io_uring
(Roman)
- NVMe pull request from Christoph with various little fixes
- sbitmap ws_active fix, which caused a perf regression for shared
tags (me)
- sbitmap bit ordering fix (Ming)
- libata on-stack DMA fix (Raymond)"
* tag 'for-linus-20190329' of git://git.kernel.dk/linux-block:
nvmet: fix error flow during ns enable
nvmet: fix building bvec from sg list
nvme-multipath: relax ANA state check
nvme-tcp: fix an endianess miss-annotation
libata: fix using DMA buffers on stack
io_uring: offload write to async worker in case of -EAGAIN
sbitmap: order READ/WRITE freed instance and setting clear bit
blk-mq: fix sbitmap ws_active for shared tags
io_uring: fix big-endian compat signal mask handling
blk-mq: update comment for blk_mq_hctx_has_pending()
blk-mq: use blk_mq_put_driver_tag() to put tag
a small use-after-free fix.
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Merge tag 'ceph-for-5.1-rc3' of git://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov:
"A patch to avoid choking on multipage bvecs in the messenger and a
small use-after-free fix"
* tag 'ceph-for-5.1-rc3' of git://github.com/ceph/ceph-client:
ceph: fix use-after-free on symlink traversal
libceph: fix breakage caused by multipage bvecs
- Fix a bunch of static checker complaints about uninitialized variables
and insufficient range checks.
- Avoid a crash when incore extent map data are corrupt.
- Disallow FITRIM when we haven't recovered the log and know the
metadata are stale.
- Fix a data corruption when doing unaligned overlapping dio writes.
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Merge tag 'xfs-5.1-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Darrick Wong:
"Here are a few fixes for some corruption bugs and uninitialized
variable problems. The few patches here have gone through a few days
worth of fstest runs with no new problems observed.
Changes since last update:
- Fix a bunch of static checker complaints about uninitialized
variables and insufficient range checks.
- Avoid a crash when incore extent map data are corrupt.
- Disallow FITRIM when we haven't recovered the log and know the
metadata are stale.
- Fix a data corruption when doing unaligned overlapping dio writes"
* tag 'xfs-5.1-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: serialize unaligned dio writes against all other dio writes
xfs: prohibit fstrim in norecovery mode
xfs: always init bma in xfs_bmapi_write
xfs: fix btree scrub checking with regards to root-in-inode
xfs: dabtree scrub needs to range-check level
xfs: don't trip over uninitialized buffer on extent read of corrupted inode
Commit 70b62c2566 ("LoadPin: Initialize as ordered LSM") removed
CONFIG_DEFAULT_SECURITY_{SELINUX,SMACK,TOMOYO,APPARMOR,DAC} from
security/Kconfig and changed CONFIG_LSM to provide a fixed ordering as a
default value. That commit expected that existing users (upgrading from
Linux 5.0 and earlier) will edit CONFIG_LSM value in accordance with
their CONFIG_DEFAULT_SECURITY_* choice in their old kernel configs. But
since users might forget to edit CONFIG_LSM value, this patch revives
the choice (only for providing the default value for CONFIG_LSM) in order
to make sure that CONFIG_LSM reflects CONFIG_DEFAULT_SECURITY_* from their
old kernel configs.
Note that since TOMOYO can be fully stacked against the other legacy
major LSMs, when it is selected, it explicitly disables the other LSMs
to avoid them also initializing since TOMOYO does not expect this
currently.
Reported-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Fixes: 70b62c2566 ("LoadPin: Initialize as ordered LSM")
Co-developed-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: James Morris <james.morris@microsoft.com>
Core libraries:
Jiri Olsa:
- Fix max perf_event_attr.precise_ip detection.
Kan Liang:
- Fix parser error for uncore event alias
Wei Lin:
- Fixup ordering of kernel maps after obtaining the main kernel map address.
Intel PT:
Adrian Hunter:
- Fix TSC slip where A TSC packet can slip past MTC packets so that the
timestamp appears to go backwards.
- Fixes for exported-sql-viewer GUI conversion to python3.
ARM coresight:
Solomon Tan:
- Fix the build by adding a missing case value for enumeration value introduced
in newer library, that now is the required one.
tool headers:
Arnaldo Carvalho de Melo:
- Syncronize kernel headers with the kernel, getting new io_uring and
pidfd_send_signal syscalls so that 'perf trace' can handle them.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-urgent-for-mingo-5.1-20190329' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf/urgent fixes from Arnaldo:
Core libraries:
Jiri Olsa:
- Fix max perf_event_attr.precise_ip detection.
Kan Liang:
- Fix parser error for uncore event alias
Wei Lin:
- Fixup ordering of kernel maps after obtaining the main kernel map address.
Intel PT:
Adrian Hunter:
- Fix TSC slip where A TSC packet can slip past MTC packets so that the
timestamp appears to go backwards.
- Fixes for exported-sql-viewer GUI conversion to python3.
ARM coresight:
Solomon Tan:
- Fix the build by adding a missing case value for enumeration value introduced
in newer library, that now is the required one.
tool headers:
Arnaldo Carvalho de Melo:
- Syncronize kernel headers with the kernel, getting new io_uring and
pidfd_send_signal syscalls so that 'perf trace' can handle them.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'drm-fixes-2019-03-29' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Weekly fixes roundup, nothing two serious, some usb device regressions
are fixed, and i915 GVT has a bigger fix but otherwise not really much
happening here.
core:
- fb bpp check regression fix
- release/unplug fix
- use after free fixes
i915:
- fix mmap range checks
- fix gvt ppgtt mm LRU list access races
- fix selftest error pointer check
- fix a macro definition (pre-emptive for potential further backports)
- fix one AML SKU ULX status
amdgpu:
- one variable refresh rate fix
udl:
- fix EDID reading
tegra:
- build/warning fixes
meson:
- cleanup path fixes
- TMDS clock filter fix
rockchip:
- NV12 buffers and scalar fix"
* tag 'drm-fixes-2019-03-29' of git://anongit.freedesktop.org/drm/drm: (22 commits)
drm/i915/icl: Fix VEBOX mismatch BUG_ON()
drm/i915/selftests: Fix an IS_ERR() vs NULL check
drm/i915: Mark AML 0x87CA as ULX
drm/meson: fix TMDS clock filtering for DMT monitors
drm/meson: Uninstall IRQ handler
drm/meson: Fix invalid pointer in meson_drv_unbind()
drm/udl: Refactor edid retrieving in UDL driver (v2)
drm: Fix drm_release() and device unplug
drm/fb: avoid setting 0 depth.
drm/tegra: vic: Fix implicit function declaration warning
drm/tegra: hub: Fix dereference before check
drm/i915/icl: Fix the TRANS_DDI_FUNC_CTL2 bitfield macro
drm/amd/display: Only allow VRR when vrefresh is within supported range
drm/rockchip: vop: reset scale mode when win is disabled
drm/vkms: fix use-after-free when drm_gem_handle_create() fails
drm/vgem: fix use-after-free when drm_gem_handle_create() fails
drm/i915/gvt: Add mutual lock for ppgtt mm LRU list
drm/i915/gvt: Only assign ppgtt root at dispatch time
drm/i915/gvt: Don't submit request for error workload dispatch
drm/i915/gvt: stop scheduling workload when vgpu is inactive
...
Fix printk format warning (seen on i386 builds) by using ptrdiff format
specifier (%t):
fs/fs_parser.c:413:6: warning: format `%lu' expects argument of type `long unsigned int', but argument 3 has type `int' [-Wformat=]
Link: http://lkml.kernel.org/r/19432668-ffd3-fbb2-af4f-1c8e48f6cc81@infradead.org
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 4d42c44727 ("lib/vsprintf: Print time and date in human
readable format via %pt") introduced a new extension, %pt.
Add it in the list of valid extensions.
Link: http://lkml.kernel.org/r/20190314203719.29130-1-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Our MIPS 1004Kc SoCs were seeing random userspace crashes with SIGILL
and SIGSEGV that could not be traced back to a userspace code bug. They
had all the magic signs of an I/D cache coherency issue.
Now recently we noticed that the /proc/sys/vm/compact_memory interface
was quite efficient at provoking this class of userspace crashes.
Studying the code in mm/migrate.c there is a distinction made between
migrating a page that is mapped at the instant of migration and one that
is not mapped. Our problem turned out to be the non-mapped pages.
For the non-mapped page the code performs a copy of the page content and
all relevant meta-data of the page without doing the required D-cache
maintenance. This leaves dirty data in the D-cache of the CPU and on
the 1004K cores this data is not visible to the I-cache. A subsequent
page-fault that triggers a mapping of the page will happily serve the
process with potentially stale code.
What about ARM then, this bug should have seen greater exposure? Well
ARM became immune to this flaw back in 2010, see commit c01778001a
("ARM: 6379/1: Assume new page cache pages have dirty D-cache").
My proposed fix moves the D-cache maintenance inside move_to_new_page to
make it common for both cases.
Link: http://lkml.kernel.org/r/20190315083502.11849-1-larper@axis.com
Fixes: 97ee052461 ("flush cache before installing new page at migraton")
Signed-off-by: Lars Persson <larper@axis.com>
Reviewed-by: Paul Burton <paul.burton@mips.com>
Acked-by: Mel Gorman <mgorman@techsingularity.net>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Makoto report a below KASAN error: zram does out-of-bounds read. Because
strscpy copies from source up to count bytes unconditionally. It could
cause out-of-bounds read on next object in slab.
To prevent it, use strlcpy which checks source's length automatically.
BUG: KASAN: slab-out-of-bounds in strscpy+0x68/0x154
Read of size 8 at addr ffffffc0c3495a00 by task system_server/1314
..
Call trace:
strscpy+0x68/0x154
idle_store+0xc4/0x34c
dev_attr_store+0x50/0x6c
sysfs_kf_write+0x98/0xb4
kernfs_fop_write+0x198/0x260
__vfs_write+0x10c/0x338
vfs_write+0x114/0x238
SyS_write+0xc8/0x168
__sys_trace_return+0x0/0x4
Allocated by task 1314:
__kmalloc+0x280/0x318
kernfs_fop_write+0xac/0x260
__vfs_write+0x10c/0x338
vfs_write+0x114/0x238
SyS_write+0xc8/0x168
__sys_trace_return+0x0/0x4
Freed by task 2855:
kfree+0x138/0x630
kernfs_put_open_node+0x10c/0x124
kernfs_fop_release+0xd8/0x114
__fput+0x130/0x2a4
____fput+0x1c/0x28
task_work_run+0x16c/0x1c8
do_notify_resume+0x2bc/0x107c
work_pending+0x8/0x10
The buggy address belongs to the object at ffffffc0c3495a00
which belongs to the cache kmalloc-128 of size 128
The buggy address is located 0 bytes inside of
128-byte region [ffffffc0c3495a00, ffffffc0c3495a80)
The buggy address belongs to the page:
page:ffffffbf030d2500 count:1 mapcount:0 mapping: (null) index:0x0 compound_mapcount: 0
flags: 0x4000000000010200(slab|head)
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffffffc0c3495900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffffffc0c3495980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffffffc0c3495a00: 04 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
^
ffffffc0c3495a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffffffc0c3495b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Link: http://lkml.kernel.org/r/20190319231911.145968-1-minchan@kernel.org
Cc: <stable@vger.kernel.org> [5.0]
Signed-off-by: Minchan Kim <minchan@kernel.org>
Reported-by: Makoto Wu <makotowu@google.com>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Due to has_unmovable_pages() taking an incorrect irqsave flag instead of
the isolation flag in set_migratetype_isolate(), there are issues with
HWPOSION and error reporting where dump_page() is not called when there
is an unmovable page.
Link: http://lkml.kernel.org/r/20190320204941.53731-1-cai@lca.pw
Fixes: d381c54760 ("mm: only report isolation failures when offlining memory")
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Signed-off-by: Qian Cai <cai@lca.pw>
Cc: <stable@vger.kernel.org> [5.0.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
There are a few system calls (pselect, ppoll, etc) which replace a task
sigmask while they are running in a kernel-space
When a task calls one of these syscalls, the kernel saves a current
sigmask in task->saved_sigmask and sets a syscall sigmask.
On syscall-exit-stop, ptrace traps a task before restoring the
saved_sigmask, so PTRACE_GETSIGMASK returns the syscall sigmask and
PTRACE_SETSIGMASK does nothing, because its sigmask is replaced by
saved_sigmask, when the task returns to user-space.
This patch fixes this problem. PTRACE_GETSIGMASK returns saved_sigmask
if it's set. PTRACE_SETSIGMASK drops the TIF_RESTORE_SIGMASK flag.
Link: http://lkml.kernel.org/r/20181120060616.6043-1-avagin@gmail.com
Fixes: 29000caecb ("ptrace: add ability to get/set signal-blocked mask")
Signed-off-by: Andrei Vagin <avagin@gmail.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fix typo of kernel-doc parameter notation (there should be no space
between '@' and the parameter name).
Also fixes bogus kernel-doc notation output formatting.
Link: http://lkml.kernel.org/r/ddce8b80-9a8a-d52d-3546-87b2211c089a@infradead.org
Fixes: 70b44595ea ("mm, compaction: use free lists to quickly locate a migration source")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Mel Gorman <mgorman@techsingularity.net>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
While debugging something, I added a dump_page() into do_swap_page(),
and I got the splat from below. The issue happens when dereferencing
mapping->host in __dump_page():
...
else if (mapping) {
pr_warn("%ps ", mapping->a_ops);
if (mapping->host->i_dentry.first) {
struct dentry *dentry;
dentry = container_of(mapping->host->i_dentry.first, struct dentry, d_u.d_alias);
pr_warn("name:\"%pd\" ", dentry);
}
}
...
Swap address space does not contain an inode information, and so
mapping->host equals NULL.
Although the dump_page() call was added artificially into
do_swap_page(), I am not sure if we can hit this from any other path, so
it looks worth fixing it. We can easily do that by checking
mapping->host first.
Link: http://lkml.kernel.org/r/20190318072931.29094-1-osalvador@suse.de
Fixes: 1c6fb1d89e ("mm: print more information about mapping in __dump_page")
Signed-off-by: Oscar Salvador <osalvador@suse.de>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Hugh Dickins <hughd@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When MPOL_MF_STRICT was specified and an existing page was already on a
node that does not follow the policy, mbind() should return -EIO. But
commit 6f4576e368 ("mempolicy: apply page table walker on
queue_pages_range()") broke the rule.
And commit c863379849 ("mm: mempolicy: mbind and migrate_pages support
thp migration") didn't return the correct value for THP mbind() too.
If MPOL_MF_STRICT is set, ignore vma_migratable() to make sure it
reaches queue_pages_to_pte_range() or queue_pages_pmd() to check if an
existing page was already on a node that does not follow the policy.
And, non-migratable vma may be used, return -EIO too if MPOL_MF_MOVE or
MPOL_MF_MOVE_ALL was specified.
Tested with https://github.com/metan-ucw/ltp/blob/master/testcases/kernel/syscalls/mbind/mbind02.c
[akpm@linux-foundation.org: tweak code comment]
Link: http://lkml.kernel.org/r/1553020556-38583-1-git-send-email-yang.shi@linux.alibaba.com
Fixes: 6f4576e368 ("mempolicy: apply page table walker on queue_pages_range()")
Signed-off-by: Yang Shi <yang.shi@linux.alibaba.com>
Signed-off-by: Oscar Salvador <osalvador@suse.de>
Reported-by: Cyril Hrubis <chrubis@suse.cz>
Suggested-by: Kirill A. Shutemov <kirill@shutemov.name>
Acked-by: Rafael Aquini <aquini@redhat.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
