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linux-linaro-lsk-v3.18-android
* v3.18/topic/android/aosp-fixes:
net/Kconfig: paranoid only for android
android: configs: base: enable IPV6
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Currently, paranoid networking is enabled by default whether or not
and android kernel is being built. However, it should be enabled by
default only when and Android kernel is being built.
To fix, use "default ANDROID" instead of "default y"
Change-Id: Ia19ab766e3497f07ccee846bec1f5fd4017e5977
Cc: John Stultz <john.stultz@linaro.org>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
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android-base.cfg already enables several IPV6 sub-options, but not the
main IPV6 option. Without this, build errors such has this:
net/netfilter/xt_qtaguid.c:1591: undefined reference to `xt_socket_get6_sk'
occur if the starting defconfig hasn't already enabled IVP6,
Change-Id: I265089a2eec1ef8938e0a6fb95e1aacd16d99281
Cc: John Stultz <john.stultz@linaro.org>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
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git://android.git.linaro.org/kernel/linaro-android into linux-linaro-lsk-v3.18-android
* 'linaro-android-3.18-lsk' of git://android.git.linaro.org/kernel/linaro-android:
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https://android.googlesource.com/kernel/common into linux-linaro-lsk-v3.18-android
* 'android-3.18' of https://android.googlesource.com/kernel/common:
sched: cpufreq: update power usage only if cpufreq_stat is enabled
cpufreq: Iterate over all the possible cpus to create powerstats.
uid_cputime: Extends the cputime functionality to report power per uid
sched: cpufreq: Adds a field cpu_power in the task_struct
cpufreq_stats: Adds the fucntionality to load current values for each frequency for all the cores.
cgroup: Fix issues in allow_attach callback
New Build Breakage in branch: kernel-m-dev-tegra-flounder-3.10 @ 1960706
net/unix: sk_socket can disappear when state is unlocked
selinux: enable genfscon labeling for sysfs and pstore files
ext4: don't save the error information if the block device is read-only
selinux: enable per-file labeling for debugfs files.
cpufreq: interactive: Rearm governor timer at max freq
cpufreq: interactive: Implement cluster-based min_sample_time
cpufreq: interactive: Exercise hispeed settings at a policy level
cpufreq: interactive: Round up timer_rate to match jiffy
cpufreq: interactive: Don't set floor_validate_time during boost
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* v3.18/topic/thermal: (66 commits)
thermal: exynos: fix compile error in _zone_bind_cooling_device()
thermal: of-thermal: add support for reading coefficients property
thermal: support slope and offset coefficients
thermal: power_allocator: round the division when divvying up power
kernel.h: implement DIV_ROUND_CLOSEST_ULL
thermal: cpu_cooling: Fix power calculation when CPUs are offline
thermal: cpu_cooling: Remove cpu_dev update on policy CPU update
thermal: Default OF created trip points to writable
thermal: export thermal_zone_parameters to sysfs
thermal: core: Add Kconfig option to enable writable trips
of: thermal: Introduce sustainable power for a thermal zone
thermal: add trace events to the power allocator governor
thermal: introduce the Power Allocator governor
thermal: cpu_cooling: implement the power cooling device API
thermal: extend the cooling device API to include power information
thermal: let governors have private data for each thermal zone
thermal: fair_share: generalize the weight concept
thermal: export weight to sysfs
thermal: fair_share: use the weight from the thermal instance
thermal: of: fix cooling device weights in device tree
...
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commit (6cd9e9f629f1 thermal: of: fix cooling device weights in device
tree) changed the prototype of thermal_zone_bind_cooling_device() but
did not fix up all the users. This patch fixes up the exynos driver.
LSK Note: This patch is LSK specific because the upstream version of
the driver was later removed after being migrated to of-thermal.
Signed-off-by: Kevin Hilman <khilman@linaro.org>
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* v3.18/topic/for-stable:
ARM: OMAP3: Fix booting with thumb2 kernel
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git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into linux-linaro-lsk-v3.18
* 'linux-3.18.y' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable: (172 commits)
Linux 3.18.16
arch/x86/kvm/mmu.c: work around gcc-4.4.4 bug
md/raid0: fix restore to sector variable in raid0_make_request
Linux 3.18.15
ARM: OMAP3: Fix booting with thumb2 kernel
xfrm: release dst_orig in case of error in xfrm_lookup()
ARC: unbork !LLSC build
power/reset: at91: fix return value check in at91_reset_platform_probe()
vfs: read file_handle only once in handle_to_path
drm/radeon: partially revert "fix VM_CONTEXT*_PAGE_TABLE_END_ADDR handling"
drm/radeon: don't share plls if monitors differ in audio support
drm/radeon: retry dcpd fetch
drm/radeon: fix VM_CONTEXT*_PAGE_TABLE_END_ADDR handling
drm/radeon: add new bonaire pci id
iwlwifi: pcie: prevent using unmapped memory in fw monitor
ACPI / init: Fix the ordering of acpi_reserve_resources()
sd: Disable support for 256 byte/sector disks
storvsc: Set the SRB flags correctly when no data transfer is needed
rtlwifi: rtl8192cu: Fix kernel deadlock
md/raid5: don't record new size if resize_stripes fails.
...
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Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit 5ec45a192fe6e287f0fc06d5ca4f3bd446d94803 ]
Fix this compile issue with gcc-4.4.4:
arch/x86/kvm/mmu.c: In function 'kvm_mmu_pte_write':
arch/x86/kvm/mmu.c:4256: error: unknown field 'cr0_wp' specified in initializer
arch/x86/kvm/mmu.c:4257: error: unknown field 'cr4_pae' specified in initializer
arch/x86/kvm/mmu.c:4257: warning: excess elements in union initializer
...
gcc-4.4.4 (at least) has issues when using anonymous unions in
initializers.
Fixes: edc90b7dc4ceef6 ("KVM: MMU: fix SMAP virtualization")
Cc: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit a81157768a00e8cf8a7b43b5ea5cac931262374f ]
The variable "sector" in "raid0_make_request()" was improperly updated
by a call to "sector_div()" which modifies its first argument in place.
Commit 47d68979cc968535cb87f3e5f2e6a3533ea48fbd restored this variable
after the call for later re-use. Unfortunetly the restore was done after
the referenced variable "bio" was advanced. This lead to the original
value and the restored value being different. Here we move this line to
the proper place.
One observed side effect of this bug was discarding a file though
unlinking would cause an unrelated file's contents to be discarded.
Signed-off-by: NeilBrown <neilb@suse.de>
Fixes: 47d68979cc96 ("md/raid0: fix bug with chunksize not a power of 2.")
Cc: stable@vger.kernel.org (any that received above backport)
URL: https://bugzilla.kernel.org/show_bug.cgi?id=98501
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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We get a NULL pointer dereference on omap3 for thumb2 compiled kernels:
Internal error: Oops: 80000005 [#1] SMP THUMB2
...
[<c046497b>] (_raw_spin_unlock_irqrestore) from [<c0024375>]
(omap3_enter_idle_bm+0xc5/0x178)
[<c0024375>] (omap3_enter_idle_bm) from [<c0374e63>]
(cpuidle_enter_state+0x77/0x27c)
[<c0374e63>] (cpuidle_enter_state) from [<c00627f1>]
(cpu_startup_entry+0x155/0x23c)
[<c00627f1>] (cpu_startup_entry) from [<c06b9a47>]
(start_kernel+0x32f/0x338)
[<c06b9a47>] (start_kernel) from [<8000807f>] (0x8000807f)
The power management related assembly on omaps needs to interact with
ARM mode bootrom code, so we need to keep most of the related assembly
in ARM mode.
Turns out this error is because of missing ENDPROC for assembly code
as suggested by Stephen Boyd <sboyd@codeaurora.org>. Let's fix the
problem by adding ENDPROC in two places to sleep34xx.S.
Let's also remove the now duplicate custom code for mode switching.
This has been unnecessary since commit 6ebbf2ce437b ("ARM: convert
all "mov.* pc, reg" to "bx reg" for ARMv6+").
And let's also remove the comments about local variables, they are
now just confusing after the ENDPROC.
The reason why ENDPROC makes a difference is it sets .type and then
the compiler knows what to do with the thumb bit as explained at:
https://wiki.ubuntu.com/ARM/Thumb2PortingHowto
Reported-by: Kevin Hilman <khilman@kernel.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
(cherry picked from commit d8a50941c91a68da202aaa96a3dacd471ea9c693)
Cc: <stable@vger.kernel.org> # v3.18+
Signed-off-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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We get a NULL pointer dereference on omap3 for thumb2 compiled kernels:
Internal error: Oops: 80000005 [#1] SMP THUMB2
...
[<c046497b>] (_raw_spin_unlock_irqrestore) from [<c0024375>]
(omap3_enter_idle_bm+0xc5/0x178)
[<c0024375>] (omap3_enter_idle_bm) from [<c0374e63>]
(cpuidle_enter_state+0x77/0x27c)
[<c0374e63>] (cpuidle_enter_state) from [<c00627f1>]
(cpu_startup_entry+0x155/0x23c)
[<c00627f1>] (cpu_startup_entry) from [<c06b9a47>]
(start_kernel+0x32f/0x338)
[<c06b9a47>] (start_kernel) from [<8000807f>] (0x8000807f)
The power management related assembly on omaps needs to interact with
ARM mode bootrom code, so we need to keep most of the related assembly
in ARM mode.
Turns out this error is because of missing ENDPROC for assembly code
as suggested by Stephen Boyd <sboyd@codeaurora.org>. Let's fix the
problem by adding ENDPROC in two places to sleep34xx.S.
Let's also remove the now duplicate custom code for mode switching.
This has been unnecessary since commit 6ebbf2ce437b ("ARM: convert
all "mov.* pc, reg" to "bx reg" for ARMv6+").
And let's also remove the comments about local variables, they are
now just confusing after the ENDPROC.
The reason why ENDPROC makes a difference is it sets .type and then
the compiler knows what to do with the thumb bit as explained at:
https://wiki.ubuntu.com/ARM/Thumb2PortingHowto
Reported-by: Kevin Hilman <khilman@kernel.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
(cherry picked from commit d8a50941c91a68da202aaa96a3dacd471ea9c693)
Signed-off-by: Kevin Hilman <khilman@linaro.org>
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[ Upstream commit ac37e2515c1a89c477459a2020b6bfdedabdb91b ]
dst_orig should be released on error. Function like __xfrm_route_forward()
expects that behavior.
Since a recent commit, xfrm_lookup() may also be called by xfrm_lookup_route(),
which expects the opposite.
Let's introduce a new flag (XFRM_LOOKUP_KEEP_DST_REF) to tell what should be
done in case of error.
Fixes: f92ee61982d("xfrm: Generate blackhole routes only from route lookup functions")
Signed-off-by: huaibin Wang <huaibin.wang@6wind.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit daaf40e53b5dbdf75255d58a45ce8ac65ca511a8 ]
Fixes: f7d11e93ee97a locking,arch,arc: Fold atomic_ops
Cc: <stable@kernel.vger.org> # 3.18
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit 932df43005389300a3336421e4aedb25390ae144 ]
In case of error, the function devm_ioremap() returns NULL
not ERR_PTR(). The IS_ERR() test in the return value check
should be replaced with NULL test.
Fixes: ecfe64d8c55f ("power: reset: Add AT91 reset driver")
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit 161f873b89136eb1e69477c847d5a5033239d9ba ]
We used to read file_handle twice. Once to get the amount of extra
bytes, and once to fetch the entire structure.
This may be problematic since we do size verifications only after the
first read, so if the number of extra bytes changes in userspace between
the first and second calls, we'll have an incoherent view of
file_handle.
Instead, read the constant size once, and copy that over to the final
structure without having to re-read it again.
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit 7c0411d2fabc2e2702c9871ffb603e251158b317 ]
We have that bug for years and some users report side effects when fixing it on older hardware.
So revert it for VM_CONTEXT0_PAGE_TABLE_END_ADDR, but keep it for VM 1-15.
Signed-off-by: Christian König <christian.koenig@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit a10f0df0615abb194968fc08147f3cdd70fd5aa5 ]
Enabling audio may enable different pll dividers. Don't share
plls if the monitors differ in audio support.
bug:
https://bugzilla.kernel.org/show_bug.cgi?id=98751
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit 0f28d1281b6c54cc98746ae61e44e7f540758ed4 ]
Retry the dpcd fetch several times. Some eDP panels
fail several times before the fetch is successful.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=73530
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit 607d48063512707a414e346972e2210dc71ab491 ]
The mapping range is inclusive between starting and ending addresses.
Signed-off-by: Christian König <christian.koenig@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit fcf3b54282e4c5a95a1f45f67558bc105acdbc6a ]
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit 553452e5ffc0ed13214a287549627d02d9d7fbdc ]
In the case of a DMA mapping error on the last iteration of
the loop of the allocation of memory of the FW monitor we
indeed free the pages, but don't NULL out the page variable
thus allowing for the possibility of setting the FW monitor
variables with invalid data to use.
Fixes: c2d202017da1 ("iwlwifi: pcie: add firmware monitor capabilities")
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit b9a5e5e18fbf223502c0b2264c15024e393da928 ]
Since acpi_reserve_resources() is defined as a device_initcall(),
there's no guarantee that it will be executed in the right order
with respect to the rest of the ACPI initialization code. On some
systems this leads to breakage if, for example, the address range
that should be reserved for the ACPI fixed registers is given to
the PCI host bridge instead if the race is won by the wrong code
path.
Fix this by turning acpi_reserve_resources() into a void function
and calling it directly from within the ACPI initialization sequence.
Reported-and-tested-by: George McCollister <george.mccollister@gmail.com>
Link: http://marc.info/?t=143092384600002&r=1&w=2
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit 74856fbf441929918c49ff262ace9835048e4e6a ]
256 bytes per sector support has been broken since 2.6.X,
and no-one stepped up to fix this.
So disable support for it.
Signed-off-by: Mark Hounschell <dmarkh@cfl.rr.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Cc: stable@vger.kernel.org
Signed-off-by: James Bottomley <JBottomley@Odin.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit dc45708ca9988656d706940df5fd102672c5de92 ]
Set the SRB flags correctly when there is no data transfer. Without this
change some IHV drivers will fail valid commands such as TEST_UNIT_READY.
Cc: <stable@vger.kernel.org>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Long Li <longli@microsoft.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit 414b7e3b9ce8b0577f613e656fdbc36b34b444dd ]
The USB mini-driver in rtlwifi, which is used by rtl8192cu, issues a call to
usb_control_msg() with a timeout value of 0. In some instances where the
interface is shutting down, this infinite wait results in a CPU deadlock. A
one second timeout fixes this problem without affecting any normal operations.
This bug is reported at https://bugzilla.novell.com/show_bug.cgi?id=927786.
Reported-by: Bernhard Wiedemann <bwiedemann@suse.com>
Tested-by: Bernhard Wiedemann <bwiedemann@suse.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Cc: Bernhard Wiedemann <bwiedemann@suse.com>
Cc: Takashi Iwai<tiwai@suse.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit 6e9eac2dcee5e19f125967dd2be3e36558c42fff ]
If any memory allocation in resize_stripes fails we will return
-ENOMEM, but in some cases we update conf->pool_size anyway.
This means that if we try again, the allocations will be assumed
to be larger than they are, and badness results.
So only update pool_size if there is no error.
This bug was introduced in 2.6.17 and the patch is suitable for
-stable.
Fixes: ad01c9e3752f ("[PATCH] md: Allow stripes to be expanded in preparation for expanding an array")
Cc: stable@vger.kernel.org (v2.6.17+)
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit efa86858e1d8970411a140fa1e0c4dd18a8f2a89 ]
Improve the Armada 380 thermal sensor accuracy by using updated formula.
The updated formula is:
Temperature[C degrees] = 0.4761 * tsen_vsen_out - 279.1
Signed-off-by: Nadav Haklai <nadavh@marvell.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: <stable@vger.kernel.org> #v3.16
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit 5c1ac56b51b9d222ab202dec1ac2f4215346129d ]
In function dmi_present(), dmi_walk_early() calls dmi_table(), which
calls dmi_decode(), which ultimately calls dmi_save_uuid(). This last
function makes a decision based on the value of global variable
dmi_ver. The problem is that this variable is set right _after_
dmi_walk_early() returns. So dmi_save_uuid() always sees dmi_ver == 0
regardless of the actual version implemented.
This causes /sys/class/dmi/id/product_uuid to always use the old
ordering even on systems implementing DMI/SMBIOS 2.6 or later, which
should use the new ordering.
This is broken since kernel v3.8 for legacy DMI implementations and
since kernel v3.10 for SMBIOS 2 implementations. SMBIOS 3
implementations with the 64-bit entry point are not affected.
The first breakage does not matter much as in practice legacy DMI
implementations are always for versions older than 2.6, which is when
the UUID ordering changed. The second breakage is more problematic as
it affects the vast majority of x86 systems manufactured since 2009.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Fixes: 9f9c9cbb6057 ("drivers/firmware/dmi_scan.c: fetch dmi version from SMBIOS if it exists")
Fixes: 79bae42d51a5 ("dmi_scan: refactor dmi_scan_machine(), {smbios,dmi}_present()")
Acked-by: Zhenzhong Duan <zhenzhong.duan@oracle.com>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Artem Savkov <artem.savkov@gmail.com>
Cc: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Cc: Matt Fleming <matt.fleming@intel.com>
Cc: stable@vger.kernel.org [v3.10+]
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit 9507271d960a1911a51683888837d75c171cd91f ]
In an environment where the KDC is running Active Directory, the
exported composite name field returned in the context could be large
enough to span a page boundary. Attaching a scratch buffer to the
decoding xdr_stream helps deal with those cases.
The case where we saw this was actually due to behavior that's been
fixed in newer gss-proxy versions, but we're fixing it here too.
Signed-off-by: Scott Mayhew <smayhew@redhat.com>
Cc: stable@vger.kernel.org
Reviewed-by: Simo Sorce <simo@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit ebe9cb3bb13e7b9b281969cd279ce70834f7500f ]
If we find a non-confirmed openowner we jump to exit the function, but do
not set an error value. Fix this by factoring out a helper to do the
check and properly set the error from nfsd4_validate_stateid.
Cc: stable@vger.kernel.org
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit b0dc2b9bb4ab782115b964310518ee0b17784277 ]
NUMA balancing is meant to be disabled by default on UMA machines but
the check is using nr_node_ids (highest node) instead of
num_online_nodes (online nodes).
The consequences are that a UMA machine with a node ID of 1 or higher
will enable NUMA balancing. This will incur useless overhead due to
minor faults with the impact depending on the workload. These are the
impact on the stats when running a kernel build on a single node machine
whose node ID happened to be 1:
vanilla patched
NUMA base PTE updates 5113158 0
NUMA huge PMD updates 643 0
NUMA page range updates 5442374 0
NUMA hint faults 2109622 0
NUMA hint local faults 2109622 0
NUMA hint local percent 100 100
NUMA pages migrated 0 0
Signed-off-by: Mel Gorman <mgorman@suse.de>
Reviewed-by: Rik van Riel <riel@redhat.com>
Cc: <stable@vger.kernel.org> [3.8+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit 4933f55fe72c86e57efc454dd6e673c7f17af5a3 ]
libabikfs.a doesn't exist anymore, so we now need to link with libapi.a.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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architectures
[ Upstream commit d045c77c1a69703143a36169c224429c48b9eecd ]
On architectures where the stack grows upwards (CONFIG_STACK_GROWSUP=y,
currently parisc and metag only) stack randomization sometimes leads to crashes
when the stack ulimit is set to lower values than STACK_RND_MASK (which is 8 MB
by default if not defined in arch-specific headers).
The problem is, that when the stack vm_area_struct is set up in fs/exec.c, the
additional space needed for the stack randomization (as defined by the value of
STACK_RND_MASK) was not taken into account yet and as such, when the stack
randomization code added a random offset to the stack start, the stack
effectively got smaller than what the user defined via rlimit_max(RLIMIT_STACK)
which then sometimes leads to out-of-stack situations and crashes.
This patch fixes it by adding the maximum possible amount of memory (based on
STACK_RND_MASK) which theoretically could be added by the stack randomization
code to the initial stack size. That way, the user-defined stack size is always
guaranteed to be at minimum what is defined via rlimit_max(RLIMIT_STACK).
This bug is currently not visible on the metag architecture, because on metag
STACK_RND_MASK is defined to 0 which effectively disables stack randomization.
The changes to fs/exec.c are inside an "#ifdef CONFIG_STACK_GROWSUP"
section, so it does not affect other platformws beside those where the
stack grows upwards (parisc and metag).
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: linux-parisc@vger.kernel.org
Cc: James Hogan <james.hogan@imgtec.com>
Cc: linux-metag@vger.kernel.org
Cc: stable@vger.kernel.org # v3.16+
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit 1b97937246d8b97c0760d16d8992c7937bdf5e6a ]
Josh Stone reports:
I've discovered a case where both arm and arm64 will miss a ptrace
syscall-exit that they should report. If the syscall is entered
without TIF_SYSCALL_TRACE set, then it goes on the fast path. It's
then possible to have TIF_SYSCALL_TRACE added in the middle of the
syscall, but ret_fast_syscall doesn't check this flag again.
Fix this by always checking for a syscall trace in the fast exit path.
Reported-by: Josh Stone <jistone@redhat.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit a29ef819f3f34f89a1b9b6a939b4c1cdfe1e85ce ]
According to the imx27 documentation, fec has a 4 Kbyte
memory space map. Moreover, the actual 16 Kbyte mapping
overlaps the SCC (Security Controller) memory register
space. So, we reduce the memory register space to 4 Kbyte.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Fixes: 9f0749e3eb88 ("ARM i.MX27: Add devicetree support")
Cc: <stable@vger.kernel.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit 965278dcb8ab0b1f666cc47937933c4be4aea48d ]
At boot time we round the memblock limit down to section size in an
attempt to ensure that we will have mapped this RAM with section
mappings prior to allocating from it. When mapping RAM we iterate over
PMD-sized chunks, creating these section mappings.
Section mappings are only created when the end of a chunk is aligned to
section size. Unfortunately, with classic page tables (where PMD_SIZE is
2 * SECTION_SIZE) this means that if a chunk is between 1M and 2M in
size the first 1M will not be mapped despite having been accounted for
in the memblock limit. This has been observed to result in page tables
being allocated from unmapped memory, causing boot-time hangs.
This patch modifies the memblock limit rounding to always round down to
PMD_SIZE instead of SECTION_SIZE. For classic MMU this means that we
will round the memblock limit down to a 2M boundary, matching the limits
on section mappings, and preventing allocations from unmapped memory.
For LPAE there should be no change as PMD_SIZE == SECTION_SIZE.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reported-by: Stefan Agner <stefan@agner.ch>
Tested-by: Stefan Agner <stefan@agner.ch>
Acked-by: Laura Abbott <labbott@redhat.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Steve Capper <steve.capper@linaro.org>
Cc: stable@vger.kernel.org
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit 0782e63bc6fe7e2d3408d250df11d388b7799c6b ]
Ronny reported that the following scenario is not handled correctly:
T1 (prio = 10)
lock(rtmutex);
T2 (prio = 20)
lock(rtmutex)
boost T1
T1 (prio = 20)
sys_set_scheduler(prio = 30)
T1 prio = 30
....
sys_set_scheduler(prio = 10)
T1 prio = 30
The last step is wrong as T1 should now be back at prio 20.
Commit c365c292d059 ("sched: Consider pi boosting in setscheduler()")
only handles the case where a boosted tasks tries to lower its
priority.
Fix it by taking the new effective priority into account for the
decision whether a change of the priority is required.
Reported-by: Ronny Meeus <ronny.meeus@gmail.com>
Tested-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
Cc: <stable@vger.kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Mike Galbraith <umgwanakikbuti@gmail.com>
Fixes: c365c292d059 ("sched: Consider pi boosting in setscheduler()")
Link: http://lkml.kernel.org/r/alpine.DEB.2.11.1505051806060.4225@nanos
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit 7cded342c09f633666e71ee1ce048f218a9c5836 ]
Git commit 152125b7a882df36a55a8eadbea6d0edf1461ee7
"s390/mm: implement dirty bits for large segment table entries"
broke the pmd_pfn function, it changed the return value from
'unsigned long' to 'int'. This breaks all machine configurations
with memory above the 8TB line.
Cc: stable@vger.kernel.org # 3.17+
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit 22d3a3c829fa9ecdb493d1f1f2838d543f8d86a3 ]
No matter how the driver manages its NAPI context, there's no way
sending frames to it from a timer can be correct, since it would
corrupt the internal GRO lists.
To avoid that, always use the non-NAPI path when releasing frames
from the timer.
Cc: stable@vger.kernel.org
Reported-by: Jean Trivelly <jean.trivelly@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit 47b4e1fc4972cc43a19121bc2608a60aef3bf216 ]
Remove checking tailroom when adding IV as it uses only
headroom, and move the check to the ICV generation that
actually needs the tailroom.
In other case I hit such warning and datapath don't work,
when testing:
- IBSS + WEP
- ath9k with hw crypt enabled
- IPv6 data (ping6)
WARNING: CPU: 3 PID: 13301 at net/mac80211/wep.c:102 ieee80211_wep_add_iv+0x129/0x190 [mac80211]()
[...]
Call Trace:
[<ffffffff817bf491>] dump_stack+0x45/0x57
[<ffffffff8107746a>] warn_slowpath_common+0x8a/0xc0
[<ffffffff8107755a>] warn_slowpath_null+0x1a/0x20
[<ffffffffc09ae109>] ieee80211_wep_add_iv+0x129/0x190 [mac80211]
[<ffffffffc09ae7ab>] ieee80211_crypto_wep_encrypt+0x6b/0xd0 [mac80211]
[<ffffffffc09d3fb1>] invoke_tx_handlers+0xc51/0xf30 [mac80211]
[...]
Cc: stable@vger.kernel.org
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit a1cae34e23b1293eccbcc8ee9b39298039c3952a ]
Multitheaded tests showed that the icv buffer in the current ghash
implementation is not handled correctly. A move of this working ghash
buffer value to the descriptor context fixed this. Code is tested and
verified with an multithreaded application via af_alg interface.
Cc: stable@vger.kernel.org
Signed-off-by: Harald Freudenberger <freude@linux.vnet.ibm.com>
Signed-off-by: Gerald Schaefer <geraldsc@linux.vnet.ibm.com>
Reported-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit f230e8ffc03f17bd9d6b90ea890b8252a8cc1821 ]
This patch fixes an inverted return value of the gpio get_direction
function.
The wrong value causes the direction sysfs entry and GPIO debugfs file
to indicate incorrect GPIO direction settings. In some cases it also
prevents setting GPIO output values.
The problem is also present in all other stable kernel versions since
linux-3.12.
Cc: Stable <stable@vger.kernel.org> # v3.12+
Reported-by: Jochen Henneberg <jh@henneberg-systemdesign.com>
Signed-off-by: Michael Brunner <michael.brunner@kontron.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit ea345c145ff23197eab34d0c4d0c8a93d7bea8c6 ]
Add the USB Id to link the D-Link DWA 130 USB Wifi adapter
to the rt2830 driver.
Signed-off-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Pieter Truter <ptruter@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit 1e4df6b7208140f3c49f316d33a409d3a161f350 ]
Consider "(u64)insn1.imm << 32 | imm" in the arm64 JIT. Since imm is
signed 32-bit, it is sign-extended to 64-bit, losing the high 32 bits.
The fix is to convert imm to u32 first, which will be zero-extended to
u64 implicitly.
Cc: Zi Shen Lim <zlim.lnx@gmail.com>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: <stable@vger.kernel.org>
Fixes: 30d3d94cc3d5 ("arm64: bpf: add 'load 64-bit immediate' instruction")
Signed-off-by: Xi Wang <xi.wang@gmail.com>
[will: removed non-arm64 bits and redundant casting]
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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[ Upstream commit 09c5b4803a80a5451d950d6a539d2eb311dc0fb1 ]
When the LPM policy is set to ATA_LPM_MAX_POWER, the device might
generate a spurious PHY event that cuases errors on the link.
Ignore this event if it occured within 10s after the policy change.
The timeout was chosen observing that on a Dell XPS13 9333 these
spurious events can occur up to roughly 6s after the policy change.
Link: http://lkml.kernel.org/g/3352987.ugV1Ipy7Z5@xps13
Signed-off-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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