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Enable USB video class for USB camera support on
msm8996-auto devices
Change-Id: I2a385cf4c935d5bc2a4c1171f185baf30322ed1d
Signed-off-by: vpalvai <vpalvai@codeaurora.org>
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* refs/heads/tmp-73a2b70
Linux 4.4.92
ext4: don't allow encrypted operations without keys
ext4: Don't clear SGID when inheriting ACLs
ext4: fix data corruption for mmap writes
sched/cpuset/pm: Fix cpuset vs. suspend-resume bugs
nvme: protect against simultaneous shutdown invocations
drm/i915/bios: ignore HDMI on port A
brcmfmac: setup passive scan if requested by user-space
uwb: ensure that endpoint is interrupt
uwb: properly check kthread_run return value
iio: adc: mcp320x: Fix oops on module unload
iio: adc: mcp320x: Fix readout of negative voltages
iio: ad7793: Fix the serial interface reset
iio: core: Return error for failed read_reg
staging: iio: ad7192: Fix - use the dedicated reset function avoiding dma from stack.
iio: ad_sigma_delta: Implement a dedicated reset function
iio: adc: twl4030: Disable the vusb3v1 rugulator in the error handling path of 'twl4030_madc_probe()'
iio: adc: twl4030: Fix an error handling path in 'twl4030_madc_probe()'
xhci: fix finding correct bus_state structure for USB 3.1 hosts
USB: fix out-of-bounds in usb_set_configuration
usb: Increase quirk delay for USB devices
USB: core: harden cdc_parse_cdc_header
USB: uas: fix bug in handling of alternate settings
scsi: sd: Do not override max_sectors_kb sysfs setting
iwlwifi: add workaround to disable wide channels in 5GHz
HID: i2c-hid: allocate hid buffers for real worst case
ftrace: Fix kmemleak in unregister_ftrace_graph
stm class: Fix a use-after-free
Drivers: hv: fcopy: restore correct transfer length
driver core: platform: Don't read past the end of "driver_override" buffer
ALSA: usx2y: Suppress kernel warning at page allocation failures
ALSA: compress: Remove unused variable
lsm: fix smack_inode_removexattr and xattr_getsecurity memleak
USB: g_mass_storage: Fix deadlock when driver is unbound
usb: gadget: mass_storage: set msg_registered after msg registered
USB: devio: Don't corrupt user memory
USB: dummy-hcd: Fix erroneous synchronization change
USB: dummy-hcd: fix infinite-loop resubmission bug
USB: dummy-hcd: fix connection failures (wrong speed)
usb: pci-quirks.c: Corrected timeout values used in handshake
ALSA: usb-audio: Check out-of-bounds access by corrupted buffer descriptor
usb: renesas_usbhs: fix usbhsf_fifo_clear() for RX direction
usb: renesas_usbhs: fix the BCLR setting condition for non-DCP pipe
usb-storage: unusual_devs entry to fix write-access regression for Seagate external drives
usb: gadget: udc: atmel: set vbus irqflags explicitly
USB: gadgetfs: fix copy_to_user while holding spinlock
USB: gadgetfs: Fix crash caused by inadequate synchronization
usb: gadget: inode.c: fix unbalanced spin_lock in ep0_write
ANDROID: binder: init desired_prio.sched_policy before use it
BACKPORT: net: xfrm: support setting an output mark.
UPSTREAM: xfrm: Only add l3mdev oif to dst lookups
UPSTREAM: net: l3mdev: Add master device lookup by index
Linux 4.4.91
ttpci: address stringop overflow warning
ALSA: au88x0: avoid theoretical uninitialized access
ARM: remove duplicate 'const' annotations'
IB/qib: fix false-postive maybe-uninitialized warning
drivers: firmware: psci: drop duplicate const from psci_of_match
libata: transport: Remove circular dependency at free time
xfs: remove kmem_zalloc_greedy
i2c: meson: fix wrong variable usage in meson_i2c_put_data
md/raid10: submit bio directly to replacement disk
rds: ib: add error handle
iommu/io-pgtable-arm: Check for leaf entry before dereferencing it
parisc: perf: Fix potential NULL pointer dereference
netfilter: nfnl_cthelper: fix incorrect helper->expect_class_max
exynos-gsc: Do not swap cb/cr for semi planar formats
MIPS: IRQ Stack: Unwind IRQ stack onto task stack
netfilter: invoke synchronize_rcu after set the _hook_ to NULL
bridge: netlink: register netdevice before executing changelink
mmc: sdio: fix alignment issue in struct sdio_func
usb: plusb: Add support for PL-27A1
team: fix memory leaks
net/packet: check length in getsockopt() called with PACKET_HDRLEN
net: core: Prevent from dereferencing null pointer when releasing SKB
MIPS: Lantiq: Fix another request_mem_region() return code check
ASoC: dapm: fix some pointer error handling
usb: chipidea: vbus event may exist before starting gadget
audit: log 32-bit socketcalls
ASoC: dapm: handle probe deferrals
partitions/efi: Fix integer overflow in GPT size calculation
USB: serial: mos7840: fix control-message error handling
USB: serial: mos7720: fix control-message error handling
drm/amdkfd: fix improper return value on error
IB/ipoib: Replace list_del of the neigh->list with list_del_init
IB/ipoib: rtnl_unlock can not come after free_netdev
IB/ipoib: Fix deadlock over vlan_mutex
tty: goldfish: Fix a parameter of a call to free_irq
ARM: 8635/1: nommu: allow enabling REMAP_VECTORS_TO_RAM
iio: adc: hx711: Add DT binding for avia,hx711
iio: adc: axp288: Drop bogus AXP288_ADC_TS_PIN_CTRL register modifications
hwmon: (gl520sm) Fix overflows and crash seen when writing into limit attributes
sh_eth: use correct name for ECMR_MPDE bit
extcon: axp288: Use vbus-valid instead of -present to determine cable presence
igb: re-assign hw address pointer on reset after PCI error
MIPS: ralink: Fix incorrect assignment on ralink_soc
MIPS: Ensure bss section ends on a long-aligned address
ARM: dts: r8a7790: Use R-Car Gen 2 fallback binding for msiof nodes
RDS: RDMA: Fix the composite message user notification
GFS2: Fix reference to ERR_PTR in gfs2_glock_iter_next
drm: bridge: add DT bindings for TI ths8135
drm_fourcc: Fix DRM_FORMAT_MOD_LINEAR #define
FROMLIST: tracing: Add support for preempt and irq enable/disable events
FROMLIST: tracing: Prepare to add preempt and irq trace events
ANDROID: binder: fix transaction leak.
ANDROID: binder: Add tracing for binder priority inheritance.
Linux 4.4.90
fix xen_swiotlb_dma_mmap prototype
swiotlb-xen: implement xen_swiotlb_dma_mmap callback
video: fbdev: aty: do not leak uninitialized padding in clk to userspace
KVM: VMX: use cmpxchg64
ARM: pxa: fix the number of DMA requestor lines
ARM: pxa: add the number of DMA requestor lines
dmaengine: mmp-pdma: add number of requestors
cxl: Fix driver use count
KVM: VMX: remove WARN_ON_ONCE in kvm_vcpu_trigger_posted_interrupt
KVM: VMX: do not change SN bit in vmx_update_pi_irte()
timer/sysclt: Restrict timer migration sysctl values to 0 and 1
gfs2: Fix debugfs glocks dump
x86/fpu: Don't let userspace set bogus xcomp_bv
btrfs: prevent to set invalid default subvolid
btrfs: propagate error to btrfs_cmp_data_prepare caller
btrfs: fix NULL pointer dereference from free_reloc_roots()
PCI: Fix race condition with driver_override
kvm: nVMX: Don't allow L2 to access the hardware CR8
KVM: VMX: Do not BUG() on out-of-bounds guest IRQ
arm64: fault: Route pte translation faults via do_translation_fault
arm64: Make sure SPsel is always set
seccomp: fix the usage of get/put_seccomp_filter() in seccomp_get_filter()
bsg-lib: don't free job in bsg_prepare_job
nl80211: check for the required netlink attributes presence
vfs: Return -ENXIO for negative SEEK_HOLE / SEEK_DATA offsets
SMB3: Don't ignore O_SYNC/O_DSYNC and O_DIRECT flags
SMB: Validate negotiate (to protect against downgrade) even if signing off
Fix SMB3.1.1 guest authentication to Samba
powerpc/pseries: Fix parent_dn reference leak in add_dt_node()
KEYS: prevent KEYCTL_READ on negative key
KEYS: prevent creating a different user's keyrings
KEYS: fix writing past end of user-supplied buffer in keyring_read()
crypto: talitos - fix sha224
crypto: talitos - Don't provide setkey for non hmac hashing algs.
scsi: scsi_transport_iscsi: fix the issue that iscsi_if_rx doesn't parse nlmsg properly
md/raid5: preserve STRIPE_ON_UNPLUG_LIST in break_stripe_batch_list
md/raid5: fix a race condition in stripe batch
tracing: Erase irqsoff trace with empty write
tracing: Fix trace_pipe behavior for instance traces
KVM: PPC: Book3S: Fix race and leak in kvm_vm_ioctl_create_spapr_tce()
mac80211: flush hw_roc_start work before cancelling the ROC
cifs: release auth_key.response for reconnect.
f2fs: catch up to v4.14-rc1
UPSTREAM: cpufreq: schedutil: use now as reference when aggregating shared policy requests
ANDROID: add script to fetch android kernel config fragments
f2fs: reorganize stat information
f2fs: clean up flush/discard command namings
f2fs: check in-memory sit version bitmap
f2fs: check in-memory nat version bitmap
f2fs: check in-memory block bitmap
f2fs: introduce FI_ATOMIC_COMMIT
f2fs: clean up with list_{first, last}_entry
f2fs: return fs_trim if there is no candidate
f2fs: avoid needless checkpoint in f2fs_trim_fs
f2fs: relax async discard commands more
f2fs: drop exist_data for inline_data when truncated to 0
f2fs: don't allow encrypted operations without keys
f2fs: show the max number of atomic operations
f2fs: get io size bit from mount option
f2fs: support IO alignment for DATA and NODE writes
f2fs: add submit_bio tracepoint
f2fs: reassign new segment for mode=lfs
f2fs: fix a missing discard prefree segments
f2fs: use rb_entry_safe
f2fs: add a case of no need to read a page in write begin
f2fs: fix a problem of using memory after free
f2fs: remove unneeded condition
f2fs: don't cache nat entry if out of memory
f2fs: remove unused values in recover_fsync_data
f2fs: support async discard based on v4.9
f2fs: resolve op and op_flags confilcts
f2fs: remove wrong backported codes
FROMLIST: binder: fix use-after-free in binder_transaction()
UPSTREAM: ipv6: fib: Unlink replaced routes from their nodes
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
Conflicts:
fs/f2fs/crypto_key.c
fs/f2fs/f2fs_crypto.h
net/wireless/nl80211.c
sound/usb/card.c
Change-Id: I742aeaec84c7892165976b7bea3e07bdd6881d93
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
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Changes in 4.4.91
drm_fourcc: Fix DRM_FORMAT_MOD_LINEAR #define
drm: bridge: add DT bindings for TI ths8135
GFS2: Fix reference to ERR_PTR in gfs2_glock_iter_next
RDS: RDMA: Fix the composite message user notification
ARM: dts: r8a7790: Use R-Car Gen 2 fallback binding for msiof nodes
MIPS: Ensure bss section ends on a long-aligned address
MIPS: ralink: Fix incorrect assignment on ralink_soc
igb: re-assign hw address pointer on reset after PCI error
extcon: axp288: Use vbus-valid instead of -present to determine cable presence
sh_eth: use correct name for ECMR_MPDE bit
hwmon: (gl520sm) Fix overflows and crash seen when writing into limit attributes
iio: adc: axp288: Drop bogus AXP288_ADC_TS_PIN_CTRL register modifications
iio: adc: hx711: Add DT binding for avia,hx711
ARM: 8635/1: nommu: allow enabling REMAP_VECTORS_TO_RAM
tty: goldfish: Fix a parameter of a call to free_irq
IB/ipoib: Fix deadlock over vlan_mutex
IB/ipoib: rtnl_unlock can not come after free_netdev
IB/ipoib: Replace list_del of the neigh->list with list_del_init
drm/amdkfd: fix improper return value on error
USB: serial: mos7720: fix control-message error handling
USB: serial: mos7840: fix control-message error handling
partitions/efi: Fix integer overflow in GPT size calculation
ASoC: dapm: handle probe deferrals
audit: log 32-bit socketcalls
usb: chipidea: vbus event may exist before starting gadget
ASoC: dapm: fix some pointer error handling
MIPS: Lantiq: Fix another request_mem_region() return code check
net: core: Prevent from dereferencing null pointer when releasing SKB
net/packet: check length in getsockopt() called with PACKET_HDRLEN
team: fix memory leaks
usb: plusb: Add support for PL-27A1
mmc: sdio: fix alignment issue in struct sdio_func
bridge: netlink: register netdevice before executing changelink
netfilter: invoke synchronize_rcu after set the _hook_ to NULL
MIPS: IRQ Stack: Unwind IRQ stack onto task stack
exynos-gsc: Do not swap cb/cr for semi planar formats
netfilter: nfnl_cthelper: fix incorrect helper->expect_class_max
parisc: perf: Fix potential NULL pointer dereference
iommu/io-pgtable-arm: Check for leaf entry before dereferencing it
rds: ib: add error handle
md/raid10: submit bio directly to replacement disk
i2c: meson: fix wrong variable usage in meson_i2c_put_data
xfs: remove kmem_zalloc_greedy
libata: transport: Remove circular dependency at free time
drivers: firmware: psci: drop duplicate const from psci_of_match
IB/qib: fix false-postive maybe-uninitialized warning
ARM: remove duplicate 'const' annotations'
ALSA: au88x0: avoid theoretical uninitialized access
ttpci: address stringop overflow warning
Linux 4.4.91
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 0527873b29b077fc8e656acd63e1866b429fef55 upstream.
gcc-7 warns about some declarations that are more 'const' than necessary:
arch/arm/mach-at91/pm.c:338:34: error: duplicate 'const' declaration specifier [-Werror=duplicate-decl-specifier]
static const struct of_device_id const ramc_ids[] __initconst = {
arch/arm/mach-bcm/bcm_kona_smc.c:36:34: error: duplicate 'const' declaration specifier [-Werror=duplicate-decl-specifier]
static const struct of_device_id const bcm_kona_smc_ids[] __initconst = {
arch/arm/mach-spear/time.c:207:34: error: duplicate 'const' declaration specifier [-Werror=duplicate-decl-specifier]
static const struct of_device_id const timer_of_match[] __initconst = {
arch/arm/mach-omap2/prm_common.c:714:34: error: duplicate 'const' declaration specifier [-Werror=duplicate-decl-specifier]
static const struct of_device_id const omap_prcm_dt_match_table[] __initconst = {
arch/arm/mach-omap2/vc.c:562:35: error: duplicate 'const' declaration specifier [-Werror=duplicate-decl-specifier]
static const struct i2c_init_data const omap4_i2c_timing_data[] __initconst = {
The ones in arch/arm were apparently all introduced accidentally by one
commit that correctly marked a lot of variables as __initconst.
Fixes: 19c233b79d1a ("ARM: appropriate __init annotation for const data")
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Krzysztof Hałasa <khalasa@piap.pl>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 74e3f6e63da6c8e8246fba1689e040bc926b4a1a ]
Fix potential NULL pointer dereference and clean up
coding style errors (code indent, trailing whitespaces).
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit db8466c581cca1a08b505f1319c3ecd246f16fa8 ]
When the separate IRQ stack was introduced, stack unwinding only
proceeded as far as the top of the IRQ stack, leading to kernel
backtraces being less useful, lacking the trace of what was interrupted.
Fix this by providing a means for the kernel to unwind the IRQ stack
onto the interrupted task stack. The processor state is saved to the
kernel task stack on interrupt. The IRQ_STACK_START macro reserves an
unsigned long at the top of the IRQ stack where the interrupted task
stack pointer can be saved. After the active stack is switched to the
IRQ stack, save the interrupted tasks stack pointer to the reserved
location.
Fix the stack unwinding code to look for the frame being the top of the
IRQ stack and if so get the next frame from the saved location. The
existing test does not work with the separate stack since the ra is no
longer pointed at ret_from_{irq,exception}.
The test to stop unwinding the stack 32 bytes from the top of a stack
must be modified to allow unwinding to continue up to the location of
the saved task stack pointer when on the IRQ stack. The low / high marks
of the stack are set depending on whether the sp is on an irq stack or
not.
Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Marcin Nowakowski <marcin.nowakowski@imgtec.com>
Cc: Masanari Iida <standby24x7@gmail.com>
Cc: Chris Metcalf <cmetcalf@mellanox.com>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jason A. Donenfeld <jason@zx2c4.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/15788/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 98ea51cb0c8ce009d9da1fd7b48f0ff1d7a9bbb0 ]
Hauke already fixed a couple of them, but one instance remains
that checks for a negative integer when it should check
for a NULL pointer:
arch/mips/lantiq/xway/sysctrl.c: In function 'ltq_soc_init':
arch/mips/lantiq/xway/sysctrl.c:473:19: error: ordered comparison of pointer with integer zero [-Werror=extra]
Fixes: 6e807852676a ("MIPS: Lantiq: Fix check for return value of request_mem_region()")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: John Crispin <john@phrozen.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/15043/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 8a792e9afbce84a0fdaf213fe42bb97382487094 ]
REMAP_VECTORS_TO_RAM depends on DRAM_BASE, but since DRAM_BASE is a
hex, REMAP_VECTORS_TO_RAM could never get enabled. Also depending on
DRAM_BASE is redundant as whenever REMAP_VECTORS_TO_RAM makes itself
available to Kconfig, DRAM_BASE also is available as the Kconfig
gets sourced on !MMU.
Signed-off-by: Afzal Mohammed <afzal.mohd.ma@gmail.com>
Reviewed-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 08d90c81b714482dceb5323d14f6617bcf55ee61 ]
ralink_soc sould be assigned to RT3883_SOC, replace incorrect
comparision with assignment.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Fixes: 418d29c87061 ("MIPS: ralink: Unify SoC id handling")
Cc: John Crispin <john@phrozen.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14903/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 3f00f4d8f083bc61005d0a1ef592b149f5c88bbd ]
When clearing the .bss section in kernel_entry we do so using LONG_S
instructions, and branch whilst the current write address doesn't equal
the end of the .bss section minus the size of a long integer. The .bss
section always begins at a long-aligned address and we always increment
the write pointer by the size of a long integer - we therefore rely upon
the .bss section ending at a long-aligned address. If this is not the
case then the long-aligned write address can never be equal to the
non-long-aligned end address & we will continue to increment past the
end of the .bss section, attempting to zero the rest of memory.
Despite this requirement that .bss end at a long-aligned address we pass
0 as the end alignment requirement to the BSS_SECTION macro and thus
don't guarantee any particular alignment, allowing us to hit the error
condition described above.
Fix this by instead passing 8 bytes as the end alignment argument to
the BSS_SECTION macro, ensuring that the end of the .bss section is
always at least long-aligned.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14526/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 654450baf2afba86cf328e1849ccac61ec4630af ]
Use recently added R-Car Gen 2 fallback binding for msiof nodes in
DT for r8a7790 SoC.
This has no run-time effect for the current driver as the initialisation
sequence is the same for the SoC-specific binding for r8a7790 and the
fallback binding for R-Car Gen 2.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Changes in 4.4.90
cifs: release auth_key.response for reconnect.
mac80211: flush hw_roc_start work before cancelling the ROC
KVM: PPC: Book3S: Fix race and leak in kvm_vm_ioctl_create_spapr_tce()
tracing: Fix trace_pipe behavior for instance traces
tracing: Erase irqsoff trace with empty write
md/raid5: fix a race condition in stripe batch
md/raid5: preserve STRIPE_ON_UNPLUG_LIST in break_stripe_batch_list
scsi: scsi_transport_iscsi: fix the issue that iscsi_if_rx doesn't parse nlmsg properly
crypto: talitos - Don't provide setkey for non hmac hashing algs.
crypto: talitos - fix sha224
KEYS: fix writing past end of user-supplied buffer in keyring_read()
KEYS: prevent creating a different user's keyrings
KEYS: prevent KEYCTL_READ on negative key
powerpc/pseries: Fix parent_dn reference leak in add_dt_node()
Fix SMB3.1.1 guest authentication to Samba
SMB: Validate negotiate (to protect against downgrade) even if signing off
SMB3: Don't ignore O_SYNC/O_DSYNC and O_DIRECT flags
vfs: Return -ENXIO for negative SEEK_HOLE / SEEK_DATA offsets
nl80211: check for the required netlink attributes presence
bsg-lib: don't free job in bsg_prepare_job
seccomp: fix the usage of get/put_seccomp_filter() in seccomp_get_filter()
arm64: Make sure SPsel is always set
arm64: fault: Route pte translation faults via do_translation_fault
KVM: VMX: Do not BUG() on out-of-bounds guest IRQ
kvm: nVMX: Don't allow L2 to access the hardware CR8
PCI: Fix race condition with driver_override
btrfs: fix NULL pointer dereference from free_reloc_roots()
btrfs: propagate error to btrfs_cmp_data_prepare caller
btrfs: prevent to set invalid default subvolid
x86/fpu: Don't let userspace set bogus xcomp_bv
gfs2: Fix debugfs glocks dump
timer/sysclt: Restrict timer migration sysctl values to 0 and 1
KVM: VMX: do not change SN bit in vmx_update_pi_irte()
KVM: VMX: remove WARN_ON_ONCE in kvm_vcpu_trigger_posted_interrupt
cxl: Fix driver use count
dmaengine: mmp-pdma: add number of requestors
ARM: pxa: add the number of DMA requestor lines
ARM: pxa: fix the number of DMA requestor lines
KVM: VMX: use cmpxchg64
video: fbdev: aty: do not leak uninitialized padding in clk to userspace
swiotlb-xen: implement xen_swiotlb_dma_mmap callback
fix xen_swiotlb_dma_mmap prototype
Linux 4.4.90
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 7e91c7df29b5e196de3dc6f086c8937973bd0b88 upstream.
This function creates userspace mapping for the DMA-coherent memory.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Oleksandr Dmytryshyn <oleksandr.dmytryshyn@globallogic.com>
Signed-off-by: Andrii Anisov <andrii_anisov@epam.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c0a1666bcb2a33e84187a15eabdcd54056be9a97 upstream.
This fixes a compilation failure on 32-bit systems.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 4c35430ad18f5a034302cb90e559ede5a27f93b9 upstream.
The number of requestor lines was clamped to 0 for all pxa architectures
in the requestor declaration. Fix this by using the value.
Fixes: 72b195cb7162 ("ARM: pxa: add the number of DMA requestor lines")
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 72b195cb716284217e8b270af420bc7e5cf04b3c upstream.
Declare the number of DMA requestor lines per platform :
- for pxa25x: 40 requestor lines
- for pxa27x: 75 requestor lines
- for pxa3xx: 100 requestor lines
This information will be used to activate the DMA flow control or not.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 5753743fa5108b8f98bd61e40dc63f641b26c768 upstream.
WARN_ON_ONCE(pi_test_sn(&vmx->pi_desc)) in kvm_vcpu_trigger_posted_interrupt()
intends to detect the violation of invariant that VT-d PI notification
event is not suppressed when vcpu is in the guest mode. Because the
two checks for the target vcpu mode and the target suppress field
cannot be performed atomically, the target vcpu mode may change in
between. If that does happen, WARN_ON_ONCE() here may raise false
alarms.
As the previous patch fixed the real invariant breaker, remove this
WARN_ON_ONCE() to avoid false alarms, and document the allowed cases
instead.
Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com>
Reported-by: "Ramamurthy, Venkatesh" <venkatesh.ramamurthy@intel.com>
Reported-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Fixes: 28b835d60fcc ("KVM: Update Posted-Interrupts Descriptor when vCPU is preempted")
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit dc91f2eb1a4021eb6705c15e474942f84ab9b211 upstream.
In kvm_vcpu_trigger_posted_interrupt() and pi_pre_block(), KVM
assumes that PI notification events should not be suppressed when the
target vCPU is not blocked.
vmx_update_pi_irte() sets the SN field before changing an interrupt
from posting to remapping, but it does not check the vCPU mode.
Therefore, the change of SN field may break above the assumption.
Besides, I don't see reasons to suppress notification events here, so
remove the changes of SN field to avoid race condition.
Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com>
Reported-by: "Ramamurthy, Venkatesh" <venkatesh.ramamurthy@intel.com>
Reported-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Fixes: 28b835d60fcc ("KVM: Update Posted-Interrupts Descriptor when vCPU is preempted")
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 814fb7bb7db5433757d76f4c4502c96fc53b0b5e upstream.
[Please apply to 4.4-stable. Note: the backport includes the
fpstate_init() call in xstateregs_set(), since fix is useless without
it. It was added by commit 91c3dba7dbc1 ("x86/fpu/xstate: Fix PTRACE
frames for XSAVES"), but it doesn't make sense to backport that whole
commit.]
On x86, userspace can use the ptrace() or rt_sigreturn() system calls to
set a task's extended state (xstate) or "FPU" registers. ptrace() can
set them for another task using the PTRACE_SETREGSET request with
NT_X86_XSTATE, while rt_sigreturn() can set them for the current task.
In either case, registers can be set to any value, but the kernel
assumes that the XSAVE area itself remains valid in the sense that the
CPU can restore it.
However, in the case where the kernel is using the uncompacted xstate
format (which it does whenever the XSAVES instruction is unavailable),
it was possible for userspace to set the xcomp_bv field in the
xstate_header to an arbitrary value. However, all bits in that field
are reserved in the uncompacted case, so when switching to a task with
nonzero xcomp_bv, the XRSTOR instruction failed with a #GP fault. This
caused the WARN_ON_FPU(err) in copy_kernel_to_xregs() to be hit. In
addition, since the error is otherwise ignored, the FPU registers from
the task previously executing on the CPU were leaked.
Fix the bug by checking that the user-supplied value of xcomp_bv is 0 in
the uncompacted case, and returning an error otherwise.
The reason for validating xcomp_bv rather than simply overwriting it
with 0 is that we want userspace to see an error if it (incorrectly)
provides an XSAVE area in compacted format rather than in uncompacted
format.
Note that as before, in case of error we clear the task's FPU state.
This is perhaps non-ideal, especially for PTRACE_SETREGSET; it might be
better to return an error before changing anything. But it seems the
"clear on error" behavior is fine for now, and it's a little tricky to
do otherwise because it would mean we couldn't simply copy the full
userspace state into kernel memory in one __copy_from_user().
This bug was found by syzkaller, which hit the above-mentioned
WARN_ON_FPU():
WARNING: CPU: 1 PID: 0 at ./arch/x86/include/asm/fpu/internal.h:373 __switch_to+0x5b5/0x5d0
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.13.0 #453
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
task: ffff9ba2bc8e42c0 task.stack: ffffa78cc036c000
RIP: 0010:__switch_to+0x5b5/0x5d0
RSP: 0000:ffffa78cc08bbb88 EFLAGS: 00010082
RAX: 00000000fffffffe RBX: ffff9ba2b8bf2180 RCX: 00000000c0000100
RDX: 00000000ffffffff RSI: 000000005cb10700 RDI: ffff9ba2b8bf36c0
RBP: ffffa78cc08bbbd0 R08: 00000000929fdf46 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: ffff9ba2bc8e42c0
R13: 0000000000000000 R14: ffff9ba2b8bf3680 R15: ffff9ba2bf5d7b40
FS: 00007f7e5cb10700(0000) GS:ffff9ba2bf400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004005cc CR3: 0000000079fd5000 CR4: 00000000001406e0
Call Trace:
Code: 84 00 00 00 00 00 e9 11 fd ff ff 0f ff 66 0f 1f 84 00 00 00 00 00 e9 e7 fa ff ff 0f ff 66 0f 1f 84 00 00 00 00 00 e9 c2 fa ff ff <0f> ff 66 0f 1f 84 00 00 00 00 00 e9 d4 fc ff ff 66 66 2e 0f 1f
Here is a C reproducer. The expected behavior is that the program spin
forever with no output. However, on a buggy kernel running on a
processor with the "xsave" feature but without the "xsaves" feature
(e.g. Sandy Bridge through Broadwell for Intel), within a second or two
the program reports that the xmm registers were corrupted, i.e. were not
restored correctly. With CONFIG_X86_DEBUG_FPU=y it also hits the above
kernel warning.
#define _GNU_SOURCE
#include <stdbool.h>
#include <inttypes.h>
#include <linux/elf.h>
#include <stdio.h>
#include <sys/ptrace.h>
#include <sys/uio.h>
#include <sys/wait.h>
#include <unistd.h>
int main(void)
{
int pid = fork();
uint64_t xstate[512];
struct iovec iov = { .iov_base = xstate, .iov_len = sizeof(xstate) };
if (pid == 0) {
bool tracee = true;
for (int i = 0; i < sysconf(_SC_NPROCESSORS_ONLN) && tracee; i++)
tracee = (fork() != 0);
uint32_t xmm0[4] = { [0 ... 3] = tracee ? 0x00000000 : 0xDEADBEEF };
asm volatile(" movdqu %0, %%xmm0\n"
" mov %0, %%rbx\n"
"1: movdqu %%xmm0, %0\n"
" mov %0, %%rax\n"
" cmp %%rax, %%rbx\n"
" je 1b\n"
: "+m" (xmm0) : : "rax", "rbx", "xmm0");
printf("BUG: xmm registers corrupted! tracee=%d, xmm0=%08X%08X%08X%08X\n",
tracee, xmm0[0], xmm0[1], xmm0[2], xmm0[3]);
} else {
usleep(100000);
ptrace(PTRACE_ATTACH, pid, 0, 0);
wait(NULL);
ptrace(PTRACE_GETREGSET, pid, NT_X86_XSTATE, &iov);
xstate[65] = -1;
ptrace(PTRACE_SETREGSET, pid, NT_X86_XSTATE, &iov);
ptrace(PTRACE_CONT, pid, 0, 0);
wait(NULL);
}
return 1;
}
Note: the program only tests for the bug using the ptrace() system call.
The bug can also be reproduced using the rt_sigreturn() system call, but
only when called from a 32-bit program, since for 64-bit programs the
kernel restores the FPU state from the signal frame by doing XRSTOR
directly from userspace memory (with proper error checking).
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Rik van Riel <riel@redhat.com>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Eric Biggers <ebiggers3@gmail.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Kevin Hao <haokexin@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michael Halcrow <mhalcrow@google.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Wanpeng Li <wanpeng.li@hotmail.com>
Cc: Yu-cheng Yu <yu-cheng.yu@intel.com>
Cc: kernel-hardening@lists.openwall.com
Fixes: 0b29643a5843 ("x86/xsaves: Change compacted format xsave area header")
Link: http://lkml.kernel.org/r/20170922174156.16780-2-ebiggers3@gmail.com
Link: http://lkml.kernel.org/r/20170923130016.21448-25-mingo@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 51aa68e7d57e3217192d88ce90fd5b8ef29ec94f upstream.
If L1 does not specify the "use TPR shadow" VM-execution control in
vmcs12, then L0 must specify the "CR8-load exiting" and "CR8-store
exiting" VM-execution controls in vmcs02. Failure to do so will give
the L2 VM unrestricted read/write access to the hardware CR8.
This fixes CVE-2017-12154.
Signed-off-by: Jim Mattson <jmattson@google.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 3a8b0677fc6180a467e26cc32ce6b0c09a32f9bb upstream.
The value of the guest_irq argument to vmx_update_pi_irte() is
ultimately coming from a KVM_IRQFD API call. Do not BUG() in
vmx_update_pi_irte() if the value is out-of bounds. (Especially,
since KVM as a whole seems to hang after that.)
Instead, print a message only once if we find that we don't have a
route for a certain IRQ (which can be out-of-bounds or within the
array).
This fixes CVE-2017-1000252.
Fixes: efc644048ecde54 ("KVM: x86: Update IRTE for posted-interrupts")
Signed-off-by: Jan H. Schönherr <jschoenh@amazon.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 760bfb47c36a07741a089bf6a28e854ffbee7dc9 upstream.
We currently route pte translation faults via do_page_fault, which elides
the address check against TASK_SIZE before invoking the mm fault handling
code. However, this can cause issues with the path walking code in
conjunction with our word-at-a-time implementation because
load_unaligned_zeropad can end up faulting in kernel space if it reads
across a page boundary and runs into a page fault (e.g. by attempting to
read from a guard region).
In the case of such a fault, load_unaligned_zeropad has registered a
fixup to shift the valid data and pad with zeroes, however the abort is
reported as a level 3 translation fault and we dispatch it straight to
do_page_fault, despite it being a kernel address. This results in calling
a sleeping function from atomic context:
BUG: sleeping function called from invalid context at arch/arm64/mm/fault.c:313
in_atomic(): 0, irqs_disabled(): 0, pid: 10290
Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
[...]
[<ffffff8e016cd0cc>] ___might_sleep+0x134/0x144
[<ffffff8e016cd158>] __might_sleep+0x7c/0x8c
[<ffffff8e016977f0>] do_page_fault+0x140/0x330
[<ffffff8e01681328>] do_mem_abort+0x54/0xb0
Exception stack(0xfffffffb20247a70 to 0xfffffffb20247ba0)
[...]
[<ffffff8e016844fc>] el1_da+0x18/0x78
[<ffffff8e017f399c>] path_parentat+0x44/0x88
[<ffffff8e017f4c9c>] filename_parentat+0x5c/0xd8
[<ffffff8e017f5044>] filename_create+0x4c/0x128
[<ffffff8e017f59e4>] SyS_mkdirat+0x50/0xc8
[<ffffff8e01684e30>] el0_svc_naked+0x24/0x28
Code: 36380080 d5384100 f9400800 9402566d (d4210000)
---[ end trace 2d01889f2bca9b9f ]---
Fix this by dispatching all translation faults to do_translation_faults,
which avoids invoking the page fault logic for faults on kernel addresses.
Reported-by: Ankit Jain <ankijain@codeaurora.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 5371513fb338fb9989c569dc071326d369d6ade8 upstream.
When the kernel is entered at EL2 on an ARMv8.0 system, we construct
the EL1 pstate and make sure this uses the the EL1 stack pointer
(we perform an exception return to EL1h).
But if the kernel is either entered at EL1 or stays at EL2 (because
we're on a VHE-capable system), we fail to set SPsel, and use whatever
stack selection the higher exception level has choosen for us.
Let's not take any chance, and make sure that SPsel is set to one
before we decide the mode we're going to run in.
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b537ca6fede69a281dc524983e5e633d79a10a08 upstream.
A reference to the parent device node is held by add_dt_node() for the
node to be added. If the call to dlpar_configure_connector() fails
add_dt_node() returns ENOENT and that reference is not freed.
Add a call to of_node_put(parent_dn) prior to bailing out after a
failed dlpar_configure_connector() call.
Fixes: 8d5ff320766f ("powerpc/pseries: Make dlpar_configure_connector parent node aware")
Signed-off-by: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 47c5310a8dbe7c2cb9f0083daa43ceed76c257fa upstream, with part
of commit edd03602d97236e8fea13cd76886c576186aa307 folded in.
Nixiaoming pointed out that there is a memory leak in
kvm_vm_ioctl_create_spapr_tce() if the call to anon_inode_getfd()
fails; the memory allocated for the kvmppc_spapr_tce_table struct
is not freed, and nor are the pages allocated for the iommu
tables.
David Hildenbrand pointed out that there is a race in that the
function checks early on that there is not already an entry in the
stt->iommu_tables list with the same LIOBN, but an entry with the
same LIOBN could get added between then and when the new entry is
added to the list.
This fixes both problems. To simplify things, we now call
anon_inode_getfd() before placing the new entry in the list. The
check for an existing entry is done while holding the kvm->lock
mutex, immediately before adding the new entry to the list.
[paulus@ozlabs.org - folded in that part of edd03602d972 ("KVM:
PPC: Book3S HV: Protect updates to spapr_tce_tables list", 2017-08-28)
which restructured the code that 47c5310a8dbe modified, to avoid
a build failure caused by the absence of put_unused_fd().
Also removed the locked memory accounting, since it doesn't exist
in this version, and adjusted the commit message.]
Fixes: 54738c097163 ("KVM: PPC: Accelerate H_PUT_TCE by implementing it in real mode")
Reported-by: Nixiaoming <nixiaoming@huawei.com>
Reported-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The wled driver is not statically handling interrupt flags.
Pass proper flag such as IRQ_TYPE_EDGE_RISING for wled
"sc-irq" interrupt through device node.
Change-Id: I90974bd7995949a97bb7070e86c469cde646096a
Signed-off-by: Tirupathi Reddy <tirupath@codeaurora.org>
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PMI8998 LAB pulse skip configuration is different from PMI8996
and earlier PMICs. Fix it by using the right configuration API
to configure LAB PS_CTL along with supporting PM660A properly.
Since the existing LAB PS configuration threshold for pmi8998 is
incorrect in device tree, update it along with this change.
Change-Id: I2686733867ec3e2909d0c071a5881d3d824c713e
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
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Use board specific configuration to enable
voltage supply to camera actuators.
Change-Id: Id7afb81ab3ce6e462ee5701d00e2721f7b159524
Signed-off-by: Vijay kumar Tumati <vtumati@codeaurora.org>
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Add QBT100 device for SDM630 with necessary clocks and GPIO
configurations. QBT1000 is fingerprint driver to communicate
with fingerprint trustzone app through QSEECOM. It also
receives interrupts from fingerprint sensor.
Change-Id: I0945f6377013f86ad531d9490ccbfa327bca034e
Signed-off-by: Abir Ghosh <abirg@codeaurora.org>
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Use system time timestamp for the PPS GPIO driver on
msm8996 CV2X boards.
Change-Id: Ib7231d9b182c956d3c169d6979dbb5fe7f185353
Signed-off-by: Gustavo Solaira <gustavos@codeaurora.org>
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Disable the below defconfigs for SDM660 to address the
VTS KernelConfig test case failures.
Disable:
CONFIG_USELIB
CONFIG_INET_LRO
Enable:
CONFIG_CGROUP_DEBUG
Change-Id: I20ea6e4f7ac2350ad6a57a61a5b42464cfb273ef
Signed-off-by: Srinivas Ramana <sramana@codeaurora.org>
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Disable L1/L1ss modes for the RC2 link with MDM9x55 EP on
msm8996 CV2X boards to avoid bursty MSI interrupts and
unstable communication channel.
Change-Id: I12549ec37ceda09ebc9104b0182e53efdcfc8d2f
Signed-off-by: Gustavo Solaira <gustavos@codeaurora.org>
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Support Secondary TDM RX Interface for automotive.
CRs-fixed: 2112052
Change-Id: Iae7bde93e8af851e470fb4f81b37d513ce3dfd02
Signed-off-by: Hugh Guan <hhguan@codeaurora.org>
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Add msm audio ion vm device node to be compatible with
virtualized audio ion platform driver on MSM8996 vplatform.
CRs-fixed: 2047379
Signed-off-by: Derek Chen <chenche@codeaurora.org>
Change-Id: Ibd6b5cfa7e8539a56b6d1650ea0d2ae15ce82073
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This reverts commit 5b289d3a649a06d7eb8850796e39412e0d11749e.
Bring back the flash driver for 8996.
Change-Id: I6232ff004fc790e41f73bdf9d90d5455b5cb8a55
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>
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This reverts commit 941bfaf2dc352b2ba2cd7e50c55843e4585aaffb.
Bring back the charger and fuel gauge drivers supported on
8996.
Change-Id: Ibba07ece69e29a8c7bf26acdc9dda30ac755fb83
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>
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