| Commit message (Collapse) | Author | Age |
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commit db4090920ba2d61a5827a23e441447926a02ffee upstream.
Booting 4.20 on a TheCUS N2100 results in a kernel oops while probing
PCI, due to n2100_pci_map_irq() having been discarded during boot.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Cc: stable@vger.kernel.org # 2.6.18+
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 67fc5dc8a541e8f458d7f08bf88ff55933bf9f9d upstream.
When generating vdso-o32.lds & vdso-n32.lds for use with programs
running as compat ABIs under 64b kernels, we previously haven't included
the compiler flags that are supposedly common to all ABIs - ie. those in
the ccflags-vdso variable.
This is problematic in cases where we need to provide the -m%-float flag
in order to ensure that we don't attempt to use a floating point ABI
that's incompatible with the target CPU & ABI. For example a toolchain
using current gcc trunk configured --with-fp-32=xx fails to build a
64r6el_defconfig kernel with the following error:
cc1: error: '-march=mips1' requires '-mfp32'
make[2]: *** [arch/mips/vdso/Makefile:135: arch/mips/vdso/vdso-o32.lds] Error 1
Include $(ccflags-vdso) for the compat VDSO .lds builds, just as it is
included for the native VDSO .lds & when compiling objects for the
compat VDSOs. This ensures we consistently provide the -msoft-float flag
amongst others, avoiding the problem by ensuring we're agnostic to the
toolchain defaults.
Signed-off-by: Paul Burton <paul.burton@mips.com>
Fixes: ebb5e78cc634 ("MIPS: Initial implementation of a VDSO")
Cc: linux-mips@vger.kernel.org
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Maciej W . Rozycki <macro@linux-mips.org>
Cc: stable@vger.kernel.org # v4.4+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit dcf300a69ac307053dfb35c2e33972e754a98bce upstream.
Don't set octeon_dma_bar_type if PCI is disabled. This avoids creation
of the MSI irqchip later on, and saves a bit of memory.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Fixes: a214720cbf50 ("Disable MSI also when pcie-octeon.pcie_disable on")
Cc: stable@vger.kernel.org # v3.3+
Cc: linux-mips@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 05dc6001af0630e200ad5ea08707187fe5537e6d upstream.
Accordingly to the documentation
---cut---
The GCR_ERROR_CAUSE.ERR_TYPE field and the GCR_ERROR_MULT.ERR_TYPE
fields can be cleared by either a reset or by writing the current
value of GCR_ERROR_CAUSE.ERR_TYPE to the
GCR_ERROR_CAUSE.ERR_TYPE register.
---cut---
Do exactly this. Original value of cm_error may be safely written back;
it clears error cause and keeps other bits untouched.
Fixes: 3885c2b463f6 ("MIPS: CM: Add support for reporting CM cache errors")
Signed-off-by: Vladimir Kondratiev <vladimir.kondratiev@linux.intel.com>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: stable@vger.kernel.org # v4.3+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d28af26faa0b1daf3c692603d46bc4687c16f19e upstream.
Internal injection testing crashed with a console log that said:
mce: [Hardware Error]: CPU 7: Machine Check Exception: f Bank 0: bd80000000100134
This caused a lot of head scratching because the MCACOD (bits 15:0) of
that status is a signature from an L1 data cache error. But Linux says
that it found it in "Bank 0", which on this model CPU only reports L1
instruction cache errors.
The answer was that Linux doesn't initialize "m->bank" in the case that
it finds a fatal error in the mce_no_way_out() pre-scan of banks. If
this was a local machine check, then this partially initialized struct
mce is being passed to mce_panic().
Fix is simple: just initialize m->bank in the case of a fatal error.
Fixes: 40c36e2741d7 ("x86/mce: Fix incorrect "Machine check from unknown source" message")
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: x86-ml <x86@kernel.org>
Cc: stable@vger.kernel.org # v4.18 Note pre-v5.0 arch/x86/kernel/cpu/mce/core.c was called arch/x86/kernel/cpu/mcheck/mce.c
Link: https://lkml.kernel.org/r/20190201003341.10638-1-tony.luck@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 9e63a7894fd302082cf3627fe90844421a6cbe7f upstream.
Some PCI uncore PMUs cannot be registered on an 8-socket system (HPE
Superdome Flex).
To understand which Socket the PCI uncore PMUs belongs to, perf retrieves
the local Node ID of the uncore device from CPUNODEID(0xC0) of the PCI
configuration space, and the mapping between Socket ID and Node ID from
GIDNIDMAP(0xD4). The Socket ID can be calculated accordingly.
The local Node ID is only available at bit 2:0, but current code doesn't
mask it. If a BIOS doesn't clear the rest of the bits, an incorrect Node ID
will be fetched.
Filter the Node ID by adding a mask.
Reported-by: Song Liu <songliubraving@fb.com>
Tested-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: <stable@vger.kernel.org> # v3.7+
Fixes: 7c94ee2e0917 ("perf/x86: Add Intel Nehalem and Sandy Bridge-EP uncore support")
Link: https://lkml.kernel.org/r/1548600794-33162-1-git-send-email-kan.liang@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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(CVE-2019-7221)
commit ecec76885bcfe3294685dc363fd1273df0d5d65f upstream.
Bugzilla: 1671904
There are multiple code paths where an hrtimer may have been started to
emulate an L1 VMX preemption timer that can result in a call to free_nested
without an intervening L2 exit where the hrtimer is normally
cancelled. Unconditionally cancel in free_nested to cover all cases.
Embargoed until Feb 7th 2019.
Signed-off-by: Peter Shier <pshier@google.com>
Reported-by: Jim Mattson <jmattson@google.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
Reported-by: Felix Wilhelm <fwilhelm@google.com>
Cc: stable@kernel.org
Message-Id: <20181011184646.154065-1-pshier@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 353c0956a618a07ba4bbe7ad00ff29fe70e8412a upstream.
Bugzilla: 1671930
Emulation of certain instructions (VMXON, VMCLEAR, VMPTRLD, VMWRITE with
memory operand, INVEPT, INVVPID) can incorrectly inject a page fault
when passed an operand that points to an MMIO address. The page fault
will use uninitialized kernel stack memory as the CR2 and error code.
The right behavior would be to abort the VM with a KVM_EXIT_INTERNAL_ERROR
exit to userspace; however, it is not an easy fix, so for now just
ensure that the error code and CR2 are zero.
Embargoed until Feb 7th 2019.
Reported-by: Felix Wilhelm <fwilhelm@google.com>
Cc: stable@kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 8892d8545f2d0342b9c550defbfb165db237044b ]
Changing protection is a very high cost operation in UML
because in addition to an extra syscall it also interrupts
mmap merge sequences generated by the tlb.
While the condition is not particularly common it is worth
avoiding.
Signed-off-by: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit e87555e550cef4941579cd879759a7c0dee24e68 ]
AMD doesn't seem to implement MSR_IA32_MCG_EXT_CTL and svm code in kvm
knows nothing about it, however, this MSR is among emulated_msrs and
thus returned with KVM_GET_MSR_INDEX_LIST. The consequent KVM_GET_MSRS,
of course, fails.
Report the MSR as unsupported to not confuse userspace.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 05a4ab823983d9136a460b7b5e0d49ee709a6f86 ]
With the following piece of code, the following compilation warning
is encountered:
if (_IOC_DIR(ioc) != _IOC_NONE) {
int verify = _IOC_DIR(ioc) & _IOC_READ ? VERIFY_WRITE : VERIFY_READ;
if (!access_ok(verify, ioarg, _IOC_SIZE(ioc))) {
drivers/platform/test/dev.c: In function 'my_ioctl':
drivers/platform/test/dev.c:219:7: warning: unused variable 'verify' [-Wunused-variable]
int verify = _IOC_DIR(ioc) & _IOC_READ ? VERIFY_WRITE : VERIFY_READ;
This patch fixes it by referencing 'type' in the macro allthough
doing nothing with it.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 0d640732dbebed0f10f18526de21652931f0b2f2 ]
When we emulate an MMIO instruction, we advance the CPU state within
decode_hsr(), before emulating the instruction effects.
Having this logic in decode_hsr() is opaque, and advancing the state
before emulation is problematic. It gets in the way of applying
consistent single-step logic, and it prevents us from being able to fail
an MMIO instruction with a synchronous exception.
Clean this up by only advancing the CPU state *after* the effects of the
instruction are emulated.
Cc: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 88af3209aa0881aa5ffd99664b6080a4be5f24e5 ]
WARNING: vmlinux.o(.text+0x19f90): Section mismatch in reference from the function littleton_init_lcd() to the function .init.text:pxa_set_fb_info()
The function littleton_init_lcd() references
the function __init pxa_set_fb_info().
This is often because littleton_init_lcd lacks a __init
annotation or the annotation of pxa_set_fb_info is wrong.
WARNING: vmlinux.o(.text+0xf824): Section mismatch in reference from the function zeus_register_ohci() to the function .init.text:pxa_set_ohci_info()
The function zeus_register_ohci() references
the function __init pxa_set_ohci_info().
This is often because zeus_register_ohci lacks a __init
annotation or the annotation of pxa_set_ohci_info is wrong.
WARNING: vmlinux.o(.text+0xf95c): Section mismatch in reference from the function cm_x300_init_u2d() to the function .init.text:pxa3xx_set_u2d_info()
The function cm_x300_init_u2d() references
the function __init pxa3xx_set_u2d_info().
This is often because cm_x300_init_u2d lacks a __init
annotation or the annotation of pxa3xx_set_u2d_info is wrong.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 17f6c83fb5ebf7db4fcc94a5be4c22d5a7bfe428 ]
For micro-mips, srlv inside POOL32A encoding space should use 0x50
sub-opcode, NOT 0x90.
Some early version ISA doc describes the encoding as 0x90 for both srlv and
srav, this looks to me was a typo. I checked Binutils libopcode
implementation which is using 0x50 for srlv and 0x90 for srav.
v1->v2:
- Keep mm_srlv32_op sorted by value.
Fixes: f31318fdf324 ("MIPS: uasm: Add srlv uasm instruction")
Cc: Markos Chandras <markos.chandras@imgtec.com>
Cc: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Jiong Wang <jiong.wang@netronome.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 84fb6c7feb1494ebb7d1ec8b95cfb7ada0264465 ]
It was noticed that unbinding and rebinding the KSZ8851 ethernet
resulted in the driver reporting "failed to read device ID" at probe.
Probing the reset line with a 'scope while repeatedly attempting to
bind the driver in a shell loop revealed that the KSZ8851 RSTN pin is
constantly held at zero, meaning the device is held in reset, and
does not respond on the SPI bus.
Experimentation with the startup delay on the regulator set to 50ms
shows that the reset is positively released after 20ms.
Schematics for this board are not available, and the traces are buried
in the inner layers of the board which makes tracing where the RSTN pin
extremely difficult. We can only guess that the RSTN pin is wired to a
reset generator chip driven off the ethernet supply, which fits the
observed behaviour.
Include this delay in the regulator startup delay - effectively
treating the reset as a "supply stable" indicator.
This can not be modelled as a delay in the KSZ8851 driver since the
reset generation is board specific - if the RSTN pin had been wired to
a GPIO, reset could be released earlier via the already provided support
in the KSZ8851 driver.
This also got confirmed by Peter Ujfalusi <peter.ujfalusi@ti.com> based
on Blaze schematics that should be very close to SDP4430:
TPS22902YFPR is used as the regulator switch (gpio48 controlled):
Convert arm boot_lock to raw The VOUT is routed to TPS3808G01DBV.
(SCH Note: Threshold set at 90%. Vsense: 0.405V).
According to the TPS3808 data sheet the RESET delay time when Ct is
open (this is the case in the schema): MIN/TYP/MAX: 12/20/28 ms.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
[tony@atomide.com: updated with notes from schematics from Peter]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 6637401c35b2f327a35d27f44bda05e327f2f017 ]
Every user of user_insn() passes an user memory pointer to this macro.
Add might_fault() to user_insn() so we can spot users which are using
this macro in sections where page faulting is not allowed.
[ bp: Space it out to make it more visible. ]
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Rik van Riel <riel@surriel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "Jason A. Donenfeld" <Jason@zx2c4.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jann Horn <jannh@google.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: kvm ML <kvm@vger.kernel.org>
Cc: x86-ml <x86@kernel.org>
Link: https://lkml.kernel.org/r/20181128222035.2996-6-bigeasy@linutronix.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 1147e05ac9fc2ef86a3691e7ca5c2db7602d81dd ]
Marvell keeps their MMP2 datasheet secret, but there are good clues
that TWSI2 is not on 0xd4025000 on that platform, not does it use
IRQ 58. In fact, the IRQ 58 on MMP2 seems to be a signal processor:
arch/arm/mach-mmp/irqs.h:#define IRQ_MMP2_MSP 58
I'm taking a somewhat educated guess that is probably a copy & paste
error from PXA168 or PXA910 and that the real controller in fact hides
at address 0xd4031000 and uses an interrupt line multiplexed via IRQ 17.
I'm also copying some properties from TWSI1 that were missing or
incorrect.
Tested on a OLPC XO 1.75 machine, where the RTC is on TWSI2.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Tested-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 6e803e2e6e367db9a0d6ecae1bd24bb5752011bd ]
The core ftrace code requires that when it is handed the PC of an
instrumented function, this PC is the address of the instrumented
instruction. This is necessary so that the core ftrace code can identify
the specific instrumentation site. Since the instrumented function will
be a BL, the address of the instrumented function is LR - 4 at entry to
the ftrace code.
This fixup is applied in the mcount_get_pc and mcount_get_pc0 helpers,
which acquire the PC of the instrumented function.
The mcount_get_lr helper is used to acquire the LR of the instrumented
function, whose value does not require this adjustment, and cannot be
adjusted to anything meaningful. No adjustment of this value is made on
other architectures, including arm. However, arm64 adjusts this value by
4.
This patch brings arm64 in line with other architectures and removes the
adjustment of the LR value.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: AKASHI Takahiro <takahiro.akashi@linaro.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Torsten Duwe <duwe@suse.de>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c10b26abeb53cabc1e6271a167d3f3d396ce0218 ]
When building the kernel with Clang, the following section mismatch
warnings appears:
WARNING: vmlinux.o(.text+0x2d398): Section mismatch in reference from
the function _setup() to the function .init.text:_setup_iclk_autoidle()
The function _setup() references
the function __init _setup_iclk_autoidle().
This is often because _setup lacks a __init
annotation or the annotation of _setup_iclk_autoidle is wrong.
WARNING: vmlinux.o(.text+0x2d3a0): Section mismatch in reference from
the function _setup() to the function .init.text:_setup_reset()
The function _setup() references
the function __init _setup_reset().
This is often because _setup lacks a __init
annotation or the annotation of _setup_reset is wrong.
WARNING: vmlinux.o(.text+0x2d408): Section mismatch in reference from
the function _setup() to the function .init.text:_setup_postsetup()
The function _setup() references
the function __init _setup_postsetup().
This is often because _setup lacks a __init
annotation or the annotation of _setup_postsetup is wrong.
_setup is used in omap_hwmod_allocate_module, which isn't marked __init
and looks like it shouldn't be, meaning to fix these warnings, those
functions must be moved out of the init section, which this patch does.
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 5b3f5c408d8cc59b87e47f1ab9803dbd006e4a91 ]
The previous commit, "of: overlay: add missing of_node_get() in
__of_attach_node_sysfs" added a missing of_node_get() to
__of_attach_node_sysfs(). This results in a refcount imbalance
for nodes attached with dlpar_attach_node(). The calling sequence
from dlpar_attach_node() to __of_attach_node_sysfs() is:
dlpar_attach_node()
of_attach_node()
__of_attach_node_sysfs()
For more detailed description of the node refcount, see
commit 68baf692c435 ("powerpc/pseries: Fix of_node_put() underflow
during DLPAR remove").
Tested-by: Alan Tull <atull@kernel.org>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 53bb565fc5439f2c8c57a786feea5946804aa3e9 ]
In the expression "word1 << 16", word1 starts as u16, but is promoted to a
signed int, then sign-extended to resource_size_t, which is probably not
what was intended. Cast to resource_size_t to avoid the sign extension.
This fixes an identical issue as fixed by commit 0b2d70764bb3 ("x86/PCI:
Fix Broadcom CNB20LE unintended sign extension") back in 2014.
Detected by CoverityScan, CID#138749, 138750 ("Unintended sign extension")
Fixes: 3f6ea84a3035 ("PCI: read memory ranges out of Broadcom CNB20LE host bridge")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Bjorn Helgaas <helgaas@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 82c08c3e7f171aa7f579b231d0abbc1d62e91974 ]
In case panic() and panic() called at the same time on different CPUS.
For example:
CPU 0:
panic()
__crash_kexec
machine_crash_shutdown
crash_smp_send_stop
machine_kexec
BUG_ON(num_online_cpus() > 1);
CPU 1:
panic()
local_irq_disable
panic_smp_self_stop
If CPU 1 calls panic_smp_self_stop() before crash_smp_send_stop(), kdump
fails. CPU1 can't receive the ipi irq, CPU1 will be always online.
To fix this problem, this patch split out the panic_smp_self_stop()
and add set_cpu_online(smp_processor_id(), false).
Signed-off-by: Yufen Wang <wangyufen@huawei.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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This feature is required by the KernelConfigTest#testConfigROData
security CTS test. It was already a base option in kernel/configs and
was enabled in the arm64 defconfig. It was simply missed for x86_64.
As we do not currently use kernel modules on cuttlefish this option
should have no other effect.
Bug: 124521452
Test: booted cuttlefish with updated kernel (x86_64)
Change-Id: Id6ab679b2412159d2f8c8e72b683bd2dee59e512
Signed-off-by: Alistair Strachan <astrachan@google.com>
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Add avb flag when mounting vendor images for non-multislot.
When multislot is disabled system is not the root folder
hence early mounting to be done using dtsi.
Change-Id: Ib74874a07139f949c4592fd99b578c251da6cb5c
Signed-off-by: Monika Singh <monising@codeaurora.org>
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Enable CONFIG_DM_VERITY_FEC in msm8996 defconfig and perf_defconfig
build. This flag is required when FEC is passed from kernel command
line and adding some more Crypto dependency flags.
Change-Id: I05e37fe1044d130ca0da66395075d7723cf919a2
Signed-off-by: Vagdhan Kanukurthi <vagdhank@codeaurora.org>
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Glink_pkt devices expose access to certain
SMD resources to userspace.
Change-Id: Iac2b24cec7f9c150a851f3574400615c467a5e2b
Signed-off-by: Shilpa Suresh <sbsure@codeaurora.org>
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This enables SDCARDFS filesystem for msm8996.
Change-Id: I305a7c2ad76b7727b49d722557154be68bdb958e
Signed-off-by: Swetha Chikkaboraiah <schikk@codeaurora.org>
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Enabled following Security configs.
1. CONFIG_ARM64_PAN
2. CONFIG_CC_STACKPROTECTOR_STRONG.
Change-Id: Iddc1303e67b2c5f50c8bd8d4b381736581b21730
Signed-off-by: Venkata Rao Kakani <vkakani@codeaurora.org>
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Appropriate changes for charger, fuel-gauge, haptics, leds and
regulator nodes have been done to support these PMIC modules
for MSM8996 on 4.4 kernel.
Change-Id: Iecd86d6da3661246cc100afa4e9f9c56703b6ace
Signed-off-by: Shilpa Suresh <sbsure@codeaurora.org>
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Enable the config CONFIG_LEDS_QPNP_HAPTICS.
Change-Id: Ic3c10b64cb88c90fd59f5a6dfdfd033dfc974a2c
Signed-off-by: Shilpa Suresh <sbsure@codeaurora.org>
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* refs/heads/tmp-64b5644
Linux 4.4.173
fs: don't scan the inode cache before SB_BORN is set
mm: migrate: don't rely on __PageMovable() of newpage after unlocking it
drivers: core: Remove glue dirs from sysfs earlier
cifs: Always resolve hostname before reconnecting
mm, oom: fix use-after-free in oom_kill_process
kernel/exit.c: release ptraced tasks before zap_pid_ns_processes
mmc: sdhci-iproc: handle mmc_of_parse() errors during probe
platform/x86: asus-nb-wmi: Drop mapping of 0x33 and 0x34 scan codes
platform/x86: asus-nb-wmi: Map 0x35 to KEY_SCREENLOCK
gfs2: Revert "Fix loop in gfs2_rbm_find"
arm64: hyp-stub: Forbid kprobing of the hyp-stub
ARM: cns3xxx: Fix writing to wrong PCI config registers after alignment
fs/dcache: Fix incorrect nr_dentry_unused accounting in shrink_dcache_sb()
CIFS: Do not count -ENODATA as failure for query directory
l2tp: fix reading optional fields of L2TPv3
l2tp: remove l2specific_len dependency in l2tp_core
ucc_geth: Reset BQL queue when stopping device
net/rose: fix NULL ax25_cb kernel panic
netrom: switch to sock timer API
net/mlx4_core: Add masking for a few queries on HCA caps
l2tp: copy 4 more bytes to linear part if necessary
ipv6: Consider sk_bound_dev_if when binding a socket to an address
fs: add the fsnotify call to vfs_iter_write
s390/smp: Fix calling smp_call_ipl_cpu() from ipl CPU
Revert "loop: Fold __loop_release into loop_release"
Revert "loop: Get rid of loop_index_mutex"
Revert "loop: Fix double mutex_unlock(&loop_ctl_mutex) in loop_control_ioctl()"
f2fs: read page index before freeing
arm64: mm: remove page_mapping check in __sync_icache_dcache
irqchip/gic-v3-its: Align PCI Multi-MSI allocation on their size
perf unwind: Take pgoff into account when reporting elf to libdwfl
perf unwind: Unwind with libdw doesn't take symfs into account
vt: invoke notifier on screen size change
can: bcm: check timer values before ktime conversion
can: dev: __can_get_echo_skb(): fix bogous check for non-existing skb by removing it
x86/kaslr: Fix incorrect i8254 outb() parameters
KVM: x86: Fix single-step debugging
Input: xpad - add support for SteelSeries Stratus Duo
CIFS: Fix possible hang during async MTU reads and writes
tty/n_hdlc: fix __might_sleep warning
tty: Handle problem if line discipline does not have receive_buf
staging: rtl8188eu: Add device code for D-Link DWA-121 rev B1
char/mwave: fix potential Spectre v1 vulnerability
s390/smp: fix CPU hotplug deadlock with CPU rescan
s390/early: improve machine detection
ARC: perf: map generic branches to correct hardware condition
ASoC: atom: fix a missing check of snd_pcm_lib_malloc_pages
USB: serial: pl2303: add new PID to support PL2303TB
USB: serial: simple: add Motorola Tetra TPG2200 device id
net: bridge: Fix ethernet header pointer before check skb forwardable
net_sched: refetch skb protocol for each filter
net: ipv4: Fix memory leak in network namespace dismantle
openvswitch: Avoid OOB read when parsing flow nlattrs
net: Fix usage of pskb_trim_rcsum
UPSTREAM: binder: filter out nodes when showing binder procs
ANDROID: cuttlefish_defconfig: Enable CONFIG_RTC_HCTOSYS
Conflicts:
mm/migrate.c
Change-Id: I7986dc89d88607986d00d56f01812fe806d7f4dc
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.173
net: Fix usage of pskb_trim_rcsum
openvswitch: Avoid OOB read when parsing flow nlattrs
net: ipv4: Fix memory leak in network namespace dismantle
net_sched: refetch skb protocol for each filter
net: bridge: Fix ethernet header pointer before check skb forwardable
USB: serial: simple: add Motorola Tetra TPG2200 device id
USB: serial: pl2303: add new PID to support PL2303TB
ASoC: atom: fix a missing check of snd_pcm_lib_malloc_pages
ARC: perf: map generic branches to correct hardware condition
s390/early: improve machine detection
s390/smp: fix CPU hotplug deadlock with CPU rescan
char/mwave: fix potential Spectre v1 vulnerability
staging: rtl8188eu: Add device code for D-Link DWA-121 rev B1
tty: Handle problem if line discipline does not have receive_buf
tty/n_hdlc: fix __might_sleep warning
CIFS: Fix possible hang during async MTU reads and writes
Input: xpad - add support for SteelSeries Stratus Duo
KVM: x86: Fix single-step debugging
x86/kaslr: Fix incorrect i8254 outb() parameters
can: dev: __can_get_echo_skb(): fix bogous check for non-existing skb by removing it
can: bcm: check timer values before ktime conversion
vt: invoke notifier on screen size change
perf unwind: Unwind with libdw doesn't take symfs into account
perf unwind: Take pgoff into account when reporting elf to libdwfl
irqchip/gic-v3-its: Align PCI Multi-MSI allocation on their size
arm64: mm: remove page_mapping check in __sync_icache_dcache
f2fs: read page index before freeing
Revert "loop: Fix double mutex_unlock(&loop_ctl_mutex) in loop_control_ioctl()"
Revert "loop: Get rid of loop_index_mutex"
Revert "loop: Fold __loop_release into loop_release"
s390/smp: Fix calling smp_call_ipl_cpu() from ipl CPU
fs: add the fsnotify call to vfs_iter_write
ipv6: Consider sk_bound_dev_if when binding a socket to an address
l2tp: copy 4 more bytes to linear part if necessary
net/mlx4_core: Add masking for a few queries on HCA caps
netrom: switch to sock timer API
net/rose: fix NULL ax25_cb kernel panic
ucc_geth: Reset BQL queue when stopping device
l2tp: remove l2specific_len dependency in l2tp_core
l2tp: fix reading optional fields of L2TPv3
CIFS: Do not count -ENODATA as failure for query directory
fs/dcache: Fix incorrect nr_dentry_unused accounting in shrink_dcache_sb()
ARM: cns3xxx: Fix writing to wrong PCI config registers after alignment
arm64: hyp-stub: Forbid kprobing of the hyp-stub
gfs2: Revert "Fix loop in gfs2_rbm_find"
platform/x86: asus-nb-wmi: Map 0x35 to KEY_SCREENLOCK
platform/x86: asus-nb-wmi: Drop mapping of 0x33 and 0x34 scan codes
mmc: sdhci-iproc: handle mmc_of_parse() errors during probe
kernel/exit.c: release ptraced tasks before zap_pid_ns_processes
mm, oom: fix use-after-free in oom_kill_process
cifs: Always resolve hostname before reconnecting
drivers: core: Remove glue dirs from sysfs earlier
mm: migrate: don't rely on __PageMovable() of newpage after unlocking it
fs: don't scan the inode cache before SB_BORN is set
Linux 4.4.173
Change-Id: Ifc01c8b56016e9145bb67258f91dfc6b6983354c
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 8fac5cbdfe0f01254d9d265c6aa1a95f94f58595 upstream.
The hyp-stub is loaded by the kernel's early startup code at EL2
during boot, before KVM takes ownership later. The hyp-stub's
text is part of the regular kernel text, meaning it can be kprobed.
A breakpoint in the hyp-stub causes the CPU to spin in el2_sync_invalid.
Add it to the __hyp_text.
Signed-off-by: James Morse <james.morse@arm.com>
Cc: stable@vger.kernel.org
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 65dbb423cf28232fed1732b779249d6164c5999b upstream.
Originally, cns3xxx used its own functions for mapping, reading and
writing config registers.
Commit 802b7c06adc7 ("ARM: cns3xxx: Convert PCI to use generic config
accessors") removed the internal PCI config write function in favor of
the generic one:
cns3xxx_pci_write_config() --> pci_generic_config_write()
cns3xxx_pci_write_config() expected aligned addresses, being produced by
cns3xxx_pci_map_bus() while the generic one pci_generic_config_write()
actually expects the real address as both the function and hardware are
capable of byte-aligned writes.
This currently leads to pci_generic_config_write() writing to the wrong
registers.
For instance, upon ath9k module loading:
- driver ath9k gets loaded
- The driver wants to write value 0xA8 to register PCI_LATENCY_TIMER,
located at 0x0D
- cns3xxx_pci_map_bus() aligns the address to 0x0C
- pci_generic_config_write() effectively writes 0xA8 into register 0x0C
(CACHE_LINE_SIZE)
Fix the bug by removing the alignment in the cns3xxx mapping function.
Fixes: 802b7c06adc7 ("ARM: cns3xxx: Convert PCI to use generic config accessors")
Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
[lorenzo.pieralisi@arm.com: updated commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Krzysztof Halasa <khalasa@piap.pl>
Acked-by: Tim Harvey <tharvey@gateworks.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
CC: stable@vger.kernel.org # v4.0+
CC: Bjorn Helgaas <bhelgaas@google.com>
CC: Olof Johansson <olof@lixom.net>
CC: Robin Leblon <robin.leblon@ncentric.com>
CC: Rob Herring <robh@kernel.org>
CC: Russell King <linux@armlinux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 60f1bf29c0b2519989927cae640cd1f50f59dc7f upstream.
When calling smp_call_ipl_cpu() from the IPL CPU, we will try to read
from pcpu_devices->lowcore. However, due to prefixing, that will result
in reading from absolute address 0 on that CPU. We have to go via the
actual lowcore instead.
This means that right now, we will read lc->nodat_stack == 0 and
therfore work on a very wrong stack.
This BUG essentially broke rebooting under QEMU TCG (which will report
a low address protection exception). And checking under KVM, it is
also broken under KVM. With 1 VCPU it can be easily triggered.
:/# echo 1 > /proc/sys/kernel/sysrq
:/# echo b > /proc/sysrq-trigger
[ 28.476745] sysrq: SysRq : Resetting
[ 28.476793] Kernel stack overflow.
[ 28.476817] CPU: 0 PID: 424 Comm: sh Not tainted 5.0.0-rc1+ #13
[ 28.476820] Hardware name: IBM 2964 NE1 716 (KVM/Linux)
[ 28.476826] Krnl PSW : 0400c00180000000 0000000000115c0c (pcpu_delegate+0x12c/0x140)
[ 28.476861] R:0 T:1 IO:0 EX:0 Key:0 M:0 W:0 P:0 AS:3 CC:0 PM:0 RI:0 EA:3
[ 28.476863] Krnl GPRS: ffffffffffffffff 0000000000000000 000000000010dff8 0000000000000000
[ 28.476864] 0000000000000000 0000000000000000 0000000000ab7090 000003e0006efbf0
[ 28.476864] 000000000010dff8 0000000000000000 0000000000000000 0000000000000000
[ 28.476865] 000000007fffc000 0000000000730408 000003e0006efc58 0000000000000000
[ 28.476887] Krnl Code: 0000000000115bfe: 4170f000 la %r7,0(%r15)
[ 28.476887] 0000000000115c02: 41f0a000 la %r15,0(%r10)
[ 28.476887] #0000000000115c06: e370f0980024 stg %r7,152(%r15)
[ 28.476887] >0000000000115c0c: c0e5fffff86e brasl %r14,114ce8
[ 28.476887] 0000000000115c12: 41f07000 la %r15,0(%r7)
[ 28.476887] 0000000000115c16: a7f4ffa8 brc 15,115b66
[ 28.476887] 0000000000115c1a: 0707 bcr 0,%r7
[ 28.476887] 0000000000115c1c: 0707 bcr 0,%r7
[ 28.476901] Call Trace:
[ 28.476902] Last Breaking-Event-Address:
[ 28.476920] [<0000000000a01c4a>] arch_call_rest_init+0x22/0x80
[ 28.476927] Kernel panic - not syncing: Corrupt kernel stack, can't continue.
[ 28.476930] CPU: 0 PID: 424 Comm: sh Not tainted 5.0.0-rc1+ #13
[ 28.476932] Hardware name: IBM 2964 NE1 716 (KVM/Linux)
[ 28.476932] Call Trace:
Fixes: 2f859d0dad81 ("s390/smp: reduce size of struct pcpu")
Cc: stable@vger.kernel.org # 4.0+
Reported-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 20c27a4270c775d7ed661491af8ac03264d60fc6 upstream.
__sync_icache_dcache unconditionally skips the cache maintenance for
anonymous pages, under the assumption that flushing is only required in
the presence of D-side aliases [see 7249b79f6b4cc ("arm64: Do not flush
the D-cache for anonymous pages")].
Unfortunately, this breaks migration of anonymous pages holding
self-modifying code, where userspace cannot be reasonably expected to
reissue maintenance instructions in response to a migration.
This patch fixes the problem by removing the broken page_mapping(page)
check from the cache syncing code, otherwise we may end up fetching and
executing stale instructions from the PoU.
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: <stable@vger.kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Cc: Amanieu d'Antras <amanieu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 7e6fc2f50a3197d0e82d1c0e86282976c9e6c8a4 upstream.
The outb() function takes parameters value and port, in that order. Fix
the parameters used in the kalsr i8254 fallback code.
Fixes: 5bfce5ef55cb ("x86, kaslr: Provide randomness functions")
Signed-off-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: bp@alien8.de
Cc: hpa@zytor.com
Cc: linux@endlessm.com
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20190107034024.15005-1-drake@endlessm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 5cc244a20b86090c087073c124284381cdf47234 upstream.
The single-step debugging of KVM guests on x86 is broken: if we run
gdb 'stepi' command at the breakpoint when the guest interrupts are
enabled, RIP always jumps to native_apic_mem_write(). Then other
nasty effects follow.
Long investigation showed that on Jun 7, 2017 the
commit c8401dda2f0a00cd25c0 ("KVM: x86: fix singlestepping over syscall")
introduced the kvm_run.debug corruption: kvm_vcpu_do_singlestep() can
be called without X86_EFLAGS_TF set.
Let's fix it. Please consider that for -stable.
Signed-off-by: Alexander Popov <alex.popov@linux.com>
Cc: stable@vger.kernel.org
Fixes: c8401dda2f0a00cd25c0 ("KVM: x86: fix singlestepping over syscall")
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b7cb707c373094ce4008d4a6ac9b6b366ec52da5 upstream.
smp_rescan_cpus() is called without the device_hotplug_lock, which can lead
to a dedlock when a new CPU is found and immediately set online by a udev
rule.
This was observed on an older kernel version, where the cpu_hotplug_begin()
loop was still present, and it resulted in hanging chcpu and systemd-udev
processes. This specific deadlock will not show on current kernels. However,
there may be other possible deadlocks, and since smp_rescan_cpus() can still
trigger a CPU hotplug operation, the device_hotplug_lock should be held.
For reference, this was the deadlock with the old cpu_hotplug_begin() loop:
chcpu (rescan) systemd-udevd
echo 1 > /sys/../rescan
-> smp_rescan_cpus()
-> (*) get_online_cpus()
(increases refcount)
-> smp_add_present_cpu()
(new CPU found)
-> register_cpu()
-> device_add()
-> udev "add" event triggered -----------> udev rule sets CPU online
-> echo 1 > /sys/.../online
-> lock_device_hotplug_sysfs()
(this is missing in rescan path)
-> device_online()
-> (**) device_lock(new CPU dev)
-> cpu_up()
-> cpu_hotplug_begin()
(loops until refcount == 0)
-> deadlock with (*)
-> bus_probe_device()
-> device_attach()
-> device_lock(new CPU dev)
-> deadlock with (**)
Fix this by taking the device_hotplug_lock in the CPU rescan path.
Cc: <stable@vger.kernel.org>
Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 03aa047ef2db4985e444af6ee1c1dd084ad9fb4c upstream.
Right now the early machine detection code check stsi 3.2.2 for "KVM"
and set MACHINE_IS_VM if this is different. As the console detection
uses diagnose 8 if MACHINE_IS_VM returns true this will crash Linux
early for any non z/VM system that sets a different value than KVM.
So instead of assuming z/VM, do not set any of MACHINE_IS_LPAR,
MACHINE_IS_VM, or MACHINE_IS_KVM.
CC: stable@vger.kernel.org
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 3affbf0e154ee351add6fcc254c59c3f3947fa8f upstream.
So far we've mapped branches to "ijmp" which also counts conditional
branches NOT taken. This makes us different from other architectures
such as ARM which seem to be counting only taken branches.
So use "ijmptak" hardware condition which only counts (all jump
instructions that are taken)
'ijmptak' event is available on both ARCompact and ARCv2 ISA based
cores.
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Cc: stable@vger.kernel.org
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
[vgupta: reworked changelog]
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This configuration is required for the VTS test
VtsKernelApiSysfsTest#testRtcHctosys to pass.
Bug: 123860857
Test: run vts-kernel -m VtsKernelApiSysfsTest
Signed-off-by: Matthias Maennich <maennich@google.com>
Change-Id: Icae17c74460bcd2aef4cf4e3ec5381de9ea0a66c
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Customer platform need eDRM running on HDMI. Change DTSI setting to
default eDRM display to HDMI interface.
Change-Id: I6a319d1f5d0eea9e28e678c5e543496ee1c82029
Signed-off-by: Camus Wong <camusw@codeaurora.org>
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Enable CONFIG_DM_VERITY_FEC in msm8996 defconfig and perf_defconfig
build. This flag is required when FEC is passed from kernel command
line and adding some more Crypto dependency flags.
Change-Id: I972db810f78935a6bd5f7cb14798114da1d1ef23
Signed-off-by: Swetha Chikkaboraiah <schikk@codeaurora.org>
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