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__arch_get_hw_counter() should check clock_mode to see if it can access
CNTVCT. With the conversion to unified vDSO this check has been left out.
This causes on imx v6 and v7 (imx_v6_v7_defconfig) and other platforms to
hang at boot during the execution of the init process as per below:
[ 19.976852] Run /sbin/init as init process
[ 20.044931] Kernel panic - not syncing: Attempted to kill init!
exitcode=0x00000004
Fix the problem verifying that clock_mode is set coherently before
accessing CNTVCT.
Investigated-by: Arnd Bergmann <arnd@arndb.de>
Reported-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Commit ca74b316df96 ("arm: Use common cpu_topology structure and
functions.") changed cpu_coregroup_mask() from the ARM32 specific
implementation in arch/arm/include/asm/topology.h to the one shared
with ARM64 and RISCV in drivers/base/arch_topology.c.
Currently on ARM32 (TC2 w/ CONFIG_SCHED_MC) the task scheduler setup
code (w/ CONFIG_SCHED_DEBUG) shows this during CPU hotplug:
ERROR: groups don't span domain->span
It happens to CPUs of the cluster of the CPU which gets hot-plugged
out on scheduler domain MC.
Turns out that the shared cpu_coregroup_mask() requires that the
hot-plugged CPU is removed from the core_sibling mask via
remove_cpu_topology(). Otherwise the 'is core_sibling subset of
cpumask_of_node()' doesn't work. In this case the task scheduler has to
deal with cpumask_of_node instead of core_sibling which is wrong on
scheduler domain MC.
e.g. CPU3 hot-plugged out on TC2 [cluster0: 0,3-4 cluster1: 1-2]:
cpu_coregroup_mask(): CPU3 cpumask_of_node=0-2,4 core_sibling=0,3-4
^
should be:
cpu_coregroup_mask(): CPU3 cpumask_of_node=0-2,4 core_sibling=0,4
Add remove_cpu_topology() to __cpu_disable() to remove the CPU from the
topology masks in case of a CPU hotplug out operation.
At the same time tweak store_cpu_topology() slightly so it will call
update_siblings_masks() in case of CPU hotplug in operation via
secondary_start_kernel()->smp_store_cpu_info().
This aligns the ARM32 implementation with the ARM64 one.
Guarding remove_cpu_topology() with CONFIG_GENERIC_ARCH_TOPOLOGY is
necessary since some Arm32 defconfigs (aspeed_g5_defconfig,
milbeaut_m10v_defconfig, spear13xx_defconfig) specify an explicit
# CONFIG_ARM_CPU_TOPOLOGY is not set
w/ ./arch/arm/Kconfig: select GENERIC_ARCH_TOPOLOGY if ARM_CPU_TOPOLOGY
Fixes: ca74b316df96 ("arm: Use common cpu_topology structure and functions")
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Tested-by: Lukasz Luba <lukasz.luba@arm.com>
Tested-by: Ondrej Jirman <megous@megous.com>
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Commit d3c61619568c ("ARM: 8788/1: ftrace: remove old mcount support")
removed the old mcount support, but forget to remove these three
declarations. This patch removes them.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Since $(NM) variable can be easily overridden for the whole build, it's
better to use it instead of $(CROSS_COMPILE)nm. The use of $(CROSS_COMPILE)
prefixed variables where their calculated equivalents can be used is
incorrect. This fixes issues with builds where $(NM) is set to llvm-nm.
Link: https://github.com/ClangBuiltLinux/linux/issues/766
Signed-off-by: Dmitry Golovin <dima@golovin.in>
Suggested-by: Nick Desaulniers <ndesaulniers@google.com>
Cc: Matthias Maennich <maennich@google.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Tested-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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On platforms implementing CPU power management, the CPUidle subsystem
can allow CPUs to enter idle states where local timers logic is lost on power
down. To keep the software timers functional the kernel relies on an
always-on broadcast timer to be present in the platform to relay the
interrupt signalling the timer expiries.
For platforms implementing CPU core gating that do not implement an always-on
HW timer or implement it in a broken way, this patch adds code to initialize
the kernel hrtimer based clock event device upon boot (which can be chosen as
tick broadcast device by the kernel).
It relies on a dynamically chosen CPU to be always powered-up. This CPU then
relays the timer interrupt to CPUs in deep-idle states through its HW local
timer device.
Having a CPU always-on has implications on power management platform
capabilities and makes CPUidle suboptimal, since at least a CPU is kept
always in a shallow idle state by the kernel to relay timer interrupts,
but at least leaves the kernel with a functional system with some working
power management capabilities.
The hrtimer based clock event device is unconditionally registered, but
has the lowest possible rating such that any broadcast-capable HW clock
event device present will be chosen in preference as the tick broadcast
device.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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When the default processor handling was added to the function
cpu_v7_spectre_init() it only excluded other ARM implemented processor
cores. The Broadcom Brahma B53 core is not implemented by ARM so it
ended up falling through into the set of processors that attempt to use
the ARM_SMCCC_ARCH_WORKAROUND_1 service to harden the branch predictor.
Since this workaround is not necessary for the Brahma-B53 this commit
explicitly checks for it and prevents it from applying a branch
predictor hardening workaround.
Fixes: 10115105cb3a ("ARM: spectre-v2: add firmware based hardening")
Signed-off-by: Doug Berger <opendmb@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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It looks like a section directive was using "Solaris style" to declare
the section flags. Replace this with the GNU style so that Clang's
integrated assembler can assemble this directive.
The modified instances were identified via:
$ ag \.section | grep #
Link: https://ftp.gnu.org/old-gnu/Manuals/gas-2.9.1/html_chapter/as_7.html#SEC119
Link: https://github.com/ClangBuiltLinux/linux/issues/744
Link: https://bugs.llvm.org/show_bug.cgi?id=43759
Link: https://reviews.llvm.org/D69296
Acked-by: Nicolas Pitre <nico@fluxnic.net>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Suggested-by: Fangrui Song <maskray@google.com>
Suggested-by: Jian Cai <jiancai@google.com>
Suggested-by: Peter Smith <peter.smith@linaro.org>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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With the release of Linux 5.1 has been added a new syscall,
clock_gettime64, that provided a 64 bit time value for a specified
clock_ID to make the kernel Y2038 safe on 32 bit architectures.
Update the arm specific vDSO library accordingly with what it has
been done for the kernel syscall exposing the clock_gettime64 entry
point.
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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The generic vDSO library provides an implementation of clock_getres() that
can be leveraged by each architecture.
Add clock_getres() entry point on arm to be on pair with arm64.
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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The arm vDSO library requires some adaptations to take advantage of
the newly introduced generic vDSO library.
Introduce the following changes:
- Modification vdso.c to be compliant with the common vdso datapage
- Use of lib/vdso for gettimeofday
- Implementation of elf note
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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LLVM's integrated assembler does not accept r15 as mrc operand.
arch/arm/boot/compressed/head.S:1267:16: error: operand must be a register in range [r0, r14] or apsr_nzcv
1: mrc p15, 0, r15, c7, c14, 3 @ test,clean,invalidate D cache
^
Use APSR_nzcv instead of r15. The GNU assembler supports this
syntax since binutils 2.21 [0].
[0] https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commit;h=db472d6ff0f438a21b357249a9b48e4b74498076
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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support
When ARMv8 cores are used in AArch32 mode, arch_hw_breakpoint_init()
in arch/arm/kernel/hw_breakpoint.c will be used.
From ARMv8 specification, v8 debug architecture versions defined:
* 0110 ARMv8, v8 Debug architecture.
* 0111 ARMv8.1, v8 Debug architecture, with Virtualization Host
Extensions.
* 1000 ARMv8.2, v8.2 Debug architecture.
* 1001 ARMv8.4, v8.4 Debug architecture.
So missing ARMv8.1/ARMv8.2/ARMv8.4 cases will cause
enable_monitor_mode() returns -ENODEV,and eventually
arch_hw_breakpoint_init() will fail.
Signed-off-by: Candle Sun <candle.sun@unisoc.com>
Signed-off-by: Nianfu Bai <nianfu.bai@unisoc.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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The system currently warns if the config conditions for
building return_address in arch/arm/kernel/return_address.c
are not met, leaving just an EXPORT_SYMBOL_GPL(return_address)
of a function defined to be 'static linline'.
This is a result of aeea3592a13b ("ARM: 8158/1: LLVMLinux: use static inline in ARM ftrace.h").
Since we're not going to build anything other than an exported
symbol for something that is already being defined to be an
inline-able return of NULL, just avoid building the code to
remove the following warning:
Fixes: aeea3592a13b ("ARM: 8158/1: LLVMLinux: use static inline in ARM ftrace.h")
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Caching dates is never a good idea ;-)
Fixes: 7253b85cc62d6ff8 ("ARM: 7541/1: Add ARM ERRATA 775420 workaround")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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The arch/arm/kernel/tcm.c should include <asm/tcm.h>
for declarations of tcm_alloc, tcm_free and other
functions. Fixes the following sparse warnings:
arch/arm/kernel/tcm.c:74:6: warning: symbol 'tcm_alloc' was not declared. Should it be static?
arch/arm/kernel/tcm.c:92:6: warning: symbol 'tcm_free' was not declared. Should it be static?
arch/arm/kernel/tcm.c:98:6: warning: symbol 'tcm_dtcm_present' was not declared. Should it be static?
arch/arm/kernel/tcm.c:104:6: warning: symbol 'tcm_itcm_present' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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The dtcm_end and itcm_end are not exported or used
elsewhere, so make them static to remove the following
sparse warnign:
arch/arm/kernel/tcm.c:33:5: warning: symbol 'dtcm_end' was not declared. Should it be static?
arch/arm/kernel/tcm.c:34:5: warning: symbol 'itcm_end' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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iomap.c needs <asm/vga.h> for the definition vga_base
to avoid the following warning:
arch/arm/mm/iomap.c:13:15: warning: symbol 'vga_base' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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The rate pointer in parse_dt_topology is a pointer to a
__be32, not a u32. This fixes the following sparse warning:
arch/arm/kernel/topology.c:128:43: warning: incorrect type in argument 1 (different base types)
arch/arm/kernel/topology.c:128:43: expected restricted __be32 const [usertype] *p
arch/arm/kernel/topology.c:128:43: got unsigned int const [usertype] *[assigned] rate
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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The get_signal_page() function is defined in signal.c and used in
process.c but there is no shared definition. Add one in signal.h to
silence the following warning:
arch/arm/kernel/signal.c:683:13: warning: symbol 'get_signal_page' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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The psci_cpu_{disable,die,kill} functions are not
exported, so make them static to avoid the following
warnings:
arch/arm/kernel/psci_smp.c:54:5: warning: symbol 'psci_cpu_disable' was not declared. Should it be static?
arch/arm/kernel/psci_smp.c:67:6: warning: symbol 'psci_cpu_die' was not declared. Should it be static?
arch/arm/kernel/psci_smp.c:79:5: warning: symbol 'psci_cpu_kill' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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The definitions of set_kernel_text_rw() and
set_kernel_text_ro() are in <asm/set_memory.h>
but this is not included in init.c which defines
these. Silence the following warnings by including
the <asm/set_memory.h> header.
arch/arm/mm/init.c:669:6: warning: symbol 'set_kernel_text_rw' was not declared. Should it be static?
arch/arm/mm/init.c:678:6: warning: symbol 'set_kernel_text_ro' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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The set_section_perms() is not defined outside of the
init.c file, so make it static to avoid the following
warning:
arch/arm/mm/init.c:596:6: warning: symbol 'set_section_perms' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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There are some sparse warnings about type conversion in
the atags_to_fdt.c code, due to __be32 and __be64, so
fix the following:
- Change _be32 and __be64 where appropriate
- Change setprop() to take a 'void *'
- Change incorrect fdt32_to_cpu() on FDT_MAGIC
Fixes the following sparse warnings:
arch/arm/boot/compressed/atags_to_fdt.c:66:29: warning: cast to restricted __be32
arch/arm/boot/compressed/atags_to_fdt.c:66:29: warning: cast to restricted __be32
arch/arm/boot/compressed/atags_to_fdt.c:66:29: warning: cast to restricted __be32
arch/arm/boot/compressed/atags_to_fdt.c:66:29: warning: cast to restricted __be32
arch/arm/boot/compressed/atags_to_fdt.c:66:29: warning: cast to restricted __be32
arch/arm/boot/compressed/atags_to_fdt.c:66:29: warning: cast to restricted __be32
arch/arm/boot/compressed/atags_to_fdt.c:141:34: warning: cast to restricted __be32
arch/arm/boot/compressed/atags_to_fdt.c:141:34: warning: cast to restricted __be32
arch/arm/boot/compressed/atags_to_fdt.c:141:34: warning: cast to restricted __be32
arch/arm/boot/compressed/atags_to_fdt.c:141:34: warning: cast to restricted __be32
arch/arm/boot/compressed/atags_to_fdt.c:141:34: warning: cast to restricted __be32
arch/arm/boot/compressed/atags_to_fdt.c:141:34: warning: cast to restricted __be32
arch/arm/boot/compressed/atags_to_fdt.c:182:60: warning: incorrect type in assignment (different base types)
arch/arm/boot/compressed/atags_to_fdt.c:182:60: expected unsigned long long [usertype]
arch/arm/boot/compressed/atags_to_fdt.c:182:60: got restricted __be64 [usertype]
arch/arm/boot/compressed/atags_to_fdt.c:184:60: warning: incorrect type in assignment (different base types)
arch/arm/boot/compressed/atags_to_fdt.c:184:60: expected unsigned long long [usertype]
arch/arm/boot/compressed/atags_to_fdt.c:184:60: got restricted __be64 [usertype]
arch/arm/boot/compressed/atags_to_fdt.c:187:62: warning: incorrect type in assignment (different base types)
arch/arm/boot/compressed/atags_to_fdt.c:187:62: expected unsigned int
arch/arm/boot/compressed/atags_to_fdt.c:187:62: got restricted __be32 [usertype]
arch/arm/boot/compressed/atags_to_fdt.c:189:62: warning: incorrect type in assignment (different base types)
arch/arm/boot/compressed/atags_to_fdt.c:189:62: expected unsigned int
arch/arm/boot/compressed/atags_to_fdt.c:189:62: got restricted __be32 [usertype]
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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The arch_timer_arch_init is defined in <asm/arch_timer.h> so include
that to fix the following sparse error:
arch/arm/kernel/arch_timer.c:31:12: warning: symbol 'arch_timer_arch_init' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Move the pcibios_report_status to <asm/pci.h> include to remove the
following sparse warning and to remove the extra definition in the
footbrdige dc21285.c driver:
arch/arm/kernel/bios32.c:59:6: warning: symbol 'pcibios_report_status' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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The module_frob_arch_sections function is missing the header declaration
which is in <linux/moduleloader.h> so include that to fix the following
sparse warning:
arch/arm/kernel/module-plts.c:188:5: warning: symbol 'module_frob_arch_sections' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Fixup the following sparse warnings by making the functions and structures
static.
arch/arm/mm/dma-mapping.c:1562:6: warning: symbol '__arm_iommu_free_attrs' was not declared. Should it be static?
arch/arm/mm/dma-mapping.c:1586:6: warning: symbol 'arm_iommu_free_attrs' was not declared. Should it be static?
arch/arm/mm/dma-mapping.c:1592:6: warning: symbol 'arm_coherent_iommu_free_attrs' was not declared. Should it be static?
arch/arm/mm/dma-mapping.c:1716:5: warning: symbol 'arm_coherent_iommu_map_sg' was not declared. Should it be static?
arch/arm/mm/dma-mapping.c:1734:5: warning: symbol 'arm_iommu_map_sg' was not declared. Should it be static?
arch/arm/mm/dma-mapping.c:1767:6: warning: symbol 'arm_coherent_iommu_unmap_sg' was not declared. Should it be static?
arch/arm/mm/dma-mapping.c:1784:6: warning: symbol 'arm_iommu_unmap_sg' was not declared. Should it be static?
arch/arm/mm/dma-mapping.c:1798:6: warning: symbol 'arm_iommu_sync_sg_for_cpu' was not declared. Should it be static?
arch/arm/mm/dma-mapping.c:1816:6: warning: symbol 'arm_iommu_sync_sg_for_device' was not declared. Should it be static?
arch/arm/mm/dma-mapping.c:2018:26: warning: symbol 'iommu_ops' was not declared. Should it be static?
arch/arm/mm/dma-mapping.c:2040:26: warning: symbol 'iommu_coherent_ops' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Avoid calling __pfn_to_phys twice.
Signed-off-by: Clemens Gruber <clemens.gruber@pqgruber.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"Two fixes for the VMWare guest support:
- Unbreak VMWare platform detection which got wreckaged by converting
an integer constant to a string constant.
- Fix the clang build of the VMWAre hypercall by explicitely
specifying the ouput register for INL instead of using the short
form"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu/vmware: Fix platform detection VMWARE_PORT macro
x86/cpu/vmware: Use the full form of INL in VMWARE_HYPERCALL, for clang/llvm
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
"A small set of fixes for time(keeping):
- Add a missing include to prevent compiler warnings.
- Make the VDSO implementation of clock_getres() POSIX compliant
again. A recent change dropped the NULL pointer guard which is
required as NULL is a valid pointer value for this function.
- Fix two function documentation typos"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
posix-cpu-timers: Fix two trivial comments
timers/sched_clock: Include local timekeeping.h for missing declarations
lib/vdso: Make clock_getres() POSIX compliant again
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Thomas Gleixner:
"A set of perf fixes:
kernel:
- Unbreak the tracking of auxiliary buffer allocations which got
imbalanced causing recource limit failures.
- Fix the fallout of splitting of ToPA entries which missed to shift
the base entry PA correctly.
- Use the correct context to lookup the AUX event when unmapping the
associated AUX buffer so the event can be stopped and the buffer
reference dropped.
tools:
- Fix buildiid-cache mode setting in copyfile_mode_ns() when copying
/proc/kcore
- Fix freeing id arrays in the event list so the correct event is
closed.
- Sync sched.h anc kvm.h headers with the kernel sources.
- Link jvmti against tools/lib/ctype.o to have weak strlcpy().
- Fix multiple memory and file descriptor leaks, found by coverity in
perf annotate.
- Fix leaks in error handling paths in 'perf c2c', 'perf kmem', found
by a static analysis tool"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/aux: Fix AUX output stopping
perf/aux: Fix tracking of auxiliary trace buffer allocation
perf/x86/intel/pt: Fix base for single entry topa
perf kmem: Fix memory leak in compact_gfp_flags()
tools headers UAPI: Sync sched.h with the kernel
tools headers kvm: Sync kvm.h headers with the kernel sources
tools headers kvm: Sync kvm headers with the kernel sources
tools headers kvm: Sync kvm headers with the kernel sources
perf c2c: Fix memory leak in build_cl_output()
perf tools: Fix mode setting in copyfile_mode_ns()
perf annotate: Fix multiple memory and file descriptor leaks
perf tools: Fix resource leak of closedir() on the error paths
perf evlist: Fix fix for freed id arrays
perf jvmti: Link against tools/lib/ctype.h to have weak strlcpy()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"Two fixes for interrupt controller drivers:
- Skip IRQ_M_EXT entries in the device tree when initializing the
RISCV PLIC controller to avoid a double init attempt.
- Use the correct ITS list when issuing the VMOVP synchronization
command so the operation works only on the ITS instances which are
associated to a VM"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/sifive-plic: Skip contexts except supervisor in plic_init()
irqchip/gic-v3-its: Use the exact ITSList for VMOVP
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Pull cifs fixes from Steve French:
"Seven cifs/smb3 fixes, including three for stable"
* tag '5.4-rc5-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Fix cifsInodeInfo lock_sem deadlock when reconnect occurs
CIFS: Fix use after free of file info structures
CIFS: Fix retry mid list corruption on reconnects
cifs: Fix missed free operations
CIFS: avoid using MID 0xFFFF
cifs: clarify comment about timestamp granularity for old servers
cifs: Handle -EINPROGRESS only when noblockcnt is set
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Paul Walmsley:
"Several minor fixes and cleanups for v5.4-rc5:
- Three build fixes for various SPARSEMEM-related kernel
configurations
- Two cleanup patches for the kernel bug and breakpoint trap handler
code"
* tag 'riscv/for-v5.4-rc5-b' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: cleanup do_trap_break
riscv: cleanup <asm/bug.h>
riscv: Fix undefined reference to vmemmap_populate_basepages
riscv: Fix implicit declaration of 'page_to_section'
riscv: fix fs/proc/kcore.c compilation with sparsemem enabled
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Paul Burton:
"A few MIPS fixes:
- Fix VDSO time-related function behavior for systems where we need
to fall back to syscalls, but were instead returning bogus results.
- A fix to TLB exception handlers for Cavium Octeon systems where
they would inadvertently clobber the $1/$at register.
- A build fix for bcm63xx configurations.
- Switch to using my @kernel.org email address"
* tag 'mips_fixes_5.4_3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: tlbex: Fix build_restore_pagemask KScratch restore
MIPS: bmips: mark exception vectors as char arrays
mips: vdso: Fix __arch_get_hw_counter()
MAINTAINERS: Use @kernel.org address for Paul Burton
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fix from Greg KH:
"Here is a single tty/serial driver fix for 5.4-rc5 that resolves a
reported issue.
It has been in linux-next for a while with no problems"
* tag 'tty-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
8250-men-mcb: fix error checking when get_num_ports returns -ENODEV
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fix from Greg KH:
"Here is a single staging driver fix, for the wlan-ng driver, that
resolves a reported issue.
It is been in linux-next for a while with no reported issues"
* tag 'staging-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: wlan-ng: fix exit return when sme->key_idx >= NUM_WEPKEYS
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fix from Greg KH:
"Here is a single sysfs fix for 5.4-rc5.
It resolves an error if you actually try to use the __BIN_ATTR_WO()
macro, seems I never tested it properly before :(
This has been in linux-next for a while with no reported issues"
* tag 'driver-core-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
sysfs: Fixes __BIN_ATTR_WO() macro
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull binder fix from Greg KH:
"This is a single binder fix to resolve a reported issue by Jann. It's
been in linux-next for a while with no reported issues"
* tag 'char-misc-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
binder: Don't modify VMA bounds in ->mmap handler
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a number of small USB driver fixes for 5.4-rc5.
More "fun" with some of the misc USB drivers as found by syzbot, and
there are a number of other small bugfixes in here for reported
issues.
All have been in linux-next for a while with no reported issues"
* tag 'usb-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: cdns3: Error out if USB_DR_MODE_UNKNOWN in cdns3_core_init_role()
USB: ldusb: fix read info leaks
USB: serial: ti_usb_3410_5052: clean up serial data access
USB: serial: ti_usb_3410_5052: fix port-close races
USB: usblp: fix use-after-free on disconnect
usb: udc: lpc32xx: fix bad bit shift operation
usb: cdns3: Fix dequeue implementation.
USB: legousbtower: fix a signedness bug in tower_probe()
USB: legousbtower: fix memleak on disconnect
USB: ldusb: fix memleak on disconnect
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"A few driver fixes for the I2C subsystem"
* 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: stm32f7: remove warning when compiling with W=1
i2c: stm32f7: fix a race in slave mode with arbitration loss irq
i2c: stm32f7: fix first byte to send in slave mode
i2c: mt65xx: fix NULL ptr dereference
i2c: aspeed: fix master pending state handling
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Pull block and io_uring fixes from Jens Axboe:
"A bit bigger than usual at this point in time, mostly due to some good
bug hunting work by Pavel that resulted in three io_uring fixes from
him and two from me. Anyway, this pull request contains:
- Revert of the submit-and-wait optimization for io_uring, it can't
always be done safely. It depends on commands always making
progress on their own, which isn't necessarily the case outside of
strict file IO. (me)
- Series of two patches from me and three from Pavel, fixing issues
with shared data and sequencing for io_uring.
- Lastly, two timeout sequence fixes for io_uring (zhangyi)
- Two nbd patches fixing races (Josef)
- libahci regulator_get_optional() fix (Mark)"
* tag 'for-linus-2019-10-26' of git://git.kernel.dk/linux-block:
nbd: verify socket is supported during setup
ata: libahci_platform: Fix regulator_get_optional() misuse
nbd: handle racing with error'ed out commands
nbd: protect cmd->status with cmd->lock
io_uring: fix bad inflight accounting for SETUP_IOPOLL|SETUP_SQTHREAD
io_uring: used cached copies of sq->dropped and cq->overflow
io_uring: Fix race for sqes with userspace
io_uring: Fix broken links with offloading
io_uring: Fix corrupted user_data
io_uring: correct timeout req sequence when inserting a new entry
io_uring : correct timeout req sequence when waiting timeout
io_uring: revert "io_uring: optimize submit_and_wait API"
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Add R_390_GLOB_DAT relocation type support. This fixes boot problem
on linux-next.
- Fix memory leak in zcrypt
* tag 's390-5.4-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/kaslr: add support for R_390_GLOB_DAT relocation type
s390/zcrypt: fix memleak at release
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixlet from Juergen Gross:
"Just one patch for issuing a deprecation warning for 32-bit Xen pv
guests"
* tag 'for-linus-5.4-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: issue deprecation warning for 32-bit pv guest
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Pull dma-mapping fix from Christoph Hellwig:
"Fix a regression in the intel-iommu get_required_mask conversion
(Arvind Sankar)"
* tag 'dma-mapping-5.4-2' of git://git.infradead.org/users/hch/dma-mapping:
iommu/vt-d: Return the correct dma mask when we are bypassing the IOMMU
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull dax fix from Dan Williams:
"Fix a performance regression that followed from a fix to the
conversion of the fsdax implementation to the xarray. v5.3 users
report that they stop seeing huge page mappings on an application +
filesystem layout that was seeing huge pages previously on v5.2"
* tag 'dax-fix-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
fs/dax: Fix pmd vs pte conflict detection
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Nine changes, eight to drivers (qla2xxx, hpsa, lpfc, alua, ch,
53c710[x2], target) and one core change that tries to close a race
between sysfs delete and module removal"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: lpfc: remove left-over BUILD_NVME defines
scsi: core: try to get module before removing device
scsi: hpsa: add missing hunks in reset-patch
scsi: target: core: Do not overwrite CDB byte 1
scsi: ch: Make it possible to open a ch device multiple times again
scsi: fix kconfig dependency warning related to 53C700_LE_ON_BE
scsi: sni_53c710: fix compilation error
scsi: scsi_dh_alua: handle RTPG sense code correctly during state transitions
scsi: qla2xxx: fix a potential NULL pointer dereference
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If we always compile the get_break_insn_length inline function we can
remove the ifdefs and let dead code elimination take care of the warn
branch that is now unreadable because the report_bug stub always
returns BUG_TRAP_TYPE_BUG.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fix from Dmitry Torokhov:
"A fix for st1232 driver to properly report coordinates for 2nd and
subsequent fingers when more than one is on the surface"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: st1232 - fix reporting multitouch coordinates
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