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We've replaced remap_file_pages(2) implementation with emulation. Nobody
creates non-linear mapping anymore.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We've replaced remap_file_pages(2) implementation with emulation. Nobody
creates non-linear mapping anymore.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We've replaced remap_file_pages(2) implementation with emulation. Nobody
creates non-linear mapping anymore.
This patch also increase number of bits availble for swap offset.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We've replaced remap_file_pages(2) implementation with emulation. Nobody
creates non-linear mapping anymore.
This patch also increase number of bits availble for swap offset.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We've replaced remap_file_pages(2) implementation with emulation. Nobody
creates non-linear mapping anymore.
This patch also increase number of bits availble for swap offset.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We've replaced remap_file_pages(2) implementation with emulation. Nobody
creates non-linear mapping anymore.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We've replaced remap_file_pages(2) implementation with emulation. Nobody
creates non-linear mapping anymore.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Mark Salter <msalter@redhat.com>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We've replaced remap_file_pages(2) implementation with emulation. Nobody
creates non-linear mapping anymore.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Steven Miao <realmz6@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We've replaced remap_file_pages(2) implementation with emulation. Nobody
creates non-linear mapping anymore.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We've replaced remap_file_pages(2) implementation with emulation. Nobody
creates non-linear mapping anymore.
This patch also adjust __SWP_TYPE_SHIFT, effectively increase size of
possible swap file to 128G.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We've replaced remap_file_pages(2) implementation with emulation. Nobody
creates non-linear mapping anymore.
This patch also adjust __SWP_TYPE_SHIFT and increase number of bits
availble for swap offset.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We've replaced remap_file_pages(2) implementation with emulation. Nobody
creates non-linear mapping anymore.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We've replaced remap_file_pages(2) implementation with emulation. Nobody
creates non-linear mapping anymore.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Defining these macros way down in arch/sh/.../irq.c doesn't cause
kernel/irq/generic-chip.c to use them. As far as I can tell this code has
no effect.
Fixes: 332fd7c4fef5f3b1 ("genirq: Generic chip: Change irq_reg_{readl,writel} arguments")
Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be> (cpp/asm comparison)
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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What sh4 actually wants is HAVE_PATA_PLATFORM, so select that instead.
Signed-off-by: Rob Landley <rob@landley.net>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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After commit 944d9fec8d7a ("hugetlb: add support for gigantic page
allocation at runtime") we can allocate 1G pages at runtime if CMA is
enabled.
Let's register 1G pages into hugetlb even if the user hasn't requested
them explicitly at boot time with hugepagesz=1G.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen features and fixes from David Vrabel:
- Reworked handling for foreign (grant mapped) pages to simplify the
code, enable a number of additional use cases and fix a number of
long-standing bugs.
- Prefer the TSC over the Xen PV clock when dom0 (and the TSC is
stable).
- Assorted other cleanup and minor bug fixes.
* tag 'stable/for-linus-3.20-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: (25 commits)
xen/manage: Fix USB interaction issues when resuming
xenbus: Add proper handling of XS_ERROR from Xenbus for transactions.
xen/gntdev: provide find_special_page VMA operation
xen/gntdev: mark userspace PTEs as special on x86 PV guests
xen-blkback: safely unmap grants in case they are still in use
xen/gntdev: safely unmap grants in case they are still in use
xen/gntdev: convert priv->lock to a mutex
xen/grant-table: add a mechanism to safely unmap pages that are in use
xen-netback: use foreign page information from the pages themselves
xen: mark grant mapped pages as foreign
xen/grant-table: add helpers for allocating pages
x86/xen: require ballooned pages for grant maps
xen: remove scratch frames for ballooned pages and m2p override
xen/grant-table: pre-populate kernel unmap ops for xen_gnttab_unmap_refs()
mm: add 'foreign' alias for the 'pinned' page flag
mm: provide a find_special_page vma operation
x86/xen: cleanup arch/x86/xen/mmu.c
x86/xen: add some __init annotations in arch/x86/xen/mmu.c
x86/xen: add some __init and static annotations in arch/x86/xen/setup.c
x86/xen: use correct types for addresses in arch/x86/xen/setup.c
...
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Pull Microblaze pupdates from Michal Simek:
- Remove various compilation errors
- Various code cleanup patches
- Add missing MB versions/architectures for autodetection
* tag 'microblaze-3.20-rc1' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: Remove *.dtb files in make clean
microblaze: whitespace fix
microblaze/uaccess: fix sparse errors
microblaze: intc: Reformat output
microblaze: intc: Refactor DT sanity check
microblaze: intc: Don't override error codes
microblaze: Add target architecture
microblaze: Add missing PVR version codes
microblaze: Fix variable types to remove W=1 warning
microblaze: Use unsigned type for limit comparison in cache.c
microblaze: Use unsigned type for proper comparison in cpuinfo*.c
microblaze: Use unsigned type for "for" loop because of comparison-kgdb.c
microblaze: Change extern inline to static inline
microblaze: Mark get_frame_size as static
microblaze: Use unsigned return type in do_syscall_trace_enter
microblaze: Declare microblaze_kgdb_break in header
microblaze: Remove unused prom header from reset.c
microblaze: Remove unused prom_parse.c
microblaze: Wire-up execveat syscall
microblaze: Use empty asm-generic/linkage.h
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k updates from Geert Uytterhoeven:
"Summary:
- switch to asm-generic/futex.h
- various cleanups
- defconfig updates"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k/defconfig: Enable Ethernet bridging
m68k/defconfig: Enable Atari EtherNAT and EtherNEC Ethernet support
m68k/defconfig: Enable automounting of devtmpfs at /dev
m68k/defconfig: Enable early printk support
m68k/defconfig: Enable test modules
m68k/defconfig: Refresh defconfigs for v3.16-rc1--v3.19-rc2
m68k/atari: Remove obsolete IRQ_TYPE_*
sound: dmasound_atari: Remove obsolete IRQ_TYPE_SLOW
video: atafb: Remove obsolete IRQ_TYPE_PRIO
parport: parport_atari: Remove obsolete IRQ_TYPE_SLOW
net: atarilance: Remove obsolete IRQ_TYPE_PRIO
m68k/atari: Remove obsolete keyboard_tasklet scheduling
m68k/mac: Fix scsi_type for Mac LC and similar models
m68k: Switch to asm-generic/futex.h
m68k/mvme147: config.c - Remove unused functions
m68k/atari: atakeyb.c - Remove some unused functions
m68k/mvme16x: rtc - Don't use module_init in non-modular code
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If a task uses vector registers, a save area is allocated to save/restore
register states. Free the save area when releasing the task.
Found the Memory leak with kmemleak:
unreferenced object 0x72885e00 (size 512):
comm "vx-test", pid 26123, jiffies 4294945635 (age 256.810s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 01 db 71 06 41 .............q.A
00 00 00 00 00 00 00 00 24 f7 a9 a7 51 94 79 bb ........$...Q.y.
backtrace:
[<00000000002d1c8a>] kmem_cache_alloc_trace+0x272/0x3d0
[<00000000001014ac>] alloc_vector_registers+0x54/0x138
[<00000000001017c8>] data_exception+0x158/0x1b0
[<00000000008b551e>] pgm_check_handler+0x13e/0x180
[<00000000800008b6>] 0x800008b6
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Currently the binary hypfs interfaces provides new data only once within
an interval time of one second. This patch removes this restriction and
now new data is returned immediately on every read on a hypfs binary file.
This is done in order to allow more consistent snapshots for programs
that read multiple hypfs binary files.
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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With this feature, you can read the CPU performance metrics provided by the
z/VM diagnose 0C. This then allows to get the management time for each
online CPU of the guest where the diagnose is executed.
The new debugfs file /sys/kernel/debug/s390_hypfs/diag_0c exports the
diag0C binary data to user space via an open/read/close interface.
The binary data consists out of a header structure followed by an
array that contains the diagnose 0c data for each online CPU.
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Ley Foon Tan <lftan@altera.com>
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Signed-off-by: Ley Foon Tan <lftan@altera.com>
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dts/Makefile is called only for simpleImage target
which is causing that *.dtb are not removed.
This patch fix it.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Signed-off-by: Ley Foon Tan <lftan@altera.com>
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* pm-tools:
tools/power turbostat: relax dependency on APERF_MSR
tools/power turbostat: relax dependency on invariant TSC
tools/power turbostat: decode MSR_*_PERF_LIMIT_REASONS
tools/power turbostat: relax dependency on root permission
cpupower Makefile change to help run the tool without 'make install'
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* pm-cpufreq: (46 commits)
intel_pstate: provide option to only use intel_pstate with HWP
cpufreq-dt: Drop unnecessary check before cpufreq_cooling_unregister() invocation
cpufreq: Create for_each_governor()
cpufreq: Create for_each_policy()
cpufreq: Drop cpufreq_disabled() check from cpufreq_cpu_{get|put}()
cpufreq: Set cpufreq_cpu_data to NULL before putting kobject
intel_pstate: honor user space min_perf_pct override on resume
intel_pstate: respect cpufreq policy request
intel_pstate: Add num_pstates to sysfs
intel_pstate: expose turbo range to sysfs
intel_pstate: Add support for SkyLake
cpufreq: stats: drop unnecessary locking
cpufreq: stats: don't update stats on false notifiers
cpufreq: stats: don't update stats from show_trans_table()
cpufreq: stats: time_in_state can't be NULL in cpufreq_stats_update()
cpufreq: stats: create sysfs group once we are ready
cpufreq: remove CPUFREQ_UPDATE_POLICY_CPU notifications
cpufreq: stats: drop 'cpu' field of struct cpufreq_stats
cpufreq: Remove (now) unused 'last_cpu' from struct cpufreq_policy
cpufreq: stats: rename 'struct cpufreq_stats' objects as 'stats'
...
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* acpi-resources: (23 commits)
Merge branch 'pci/host-generic' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci into acpi-resources
x86/irq, ACPI: Implement ACPI driver to support IOAPIC hotplug
ACPI: Add interfaces to parse IOAPIC ID for IOAPIC hotplug
x86/PCI: Refine the way to release PCI IRQ resources
x86/PCI/ACPI: Use common ACPI resource interfaces to simplify implementation
x86/PCI: Fix the range check for IO resources
PCI: Use common resource list management code instead of private implementation
resources: Move struct resource_list_entry from ACPI into resource core
ACPI: Introduce helper function acpi_dev_filter_resource_type()
ACPI: Add field offset to struct resource_list_entry
ACPI: Translate resource into master side address for bridge window resources
ACPI: Return translation offset when parsing ACPI address space resources
ACPI: Enforce stricter checks for address space descriptors
ACPI: Set flag IORESOURCE_UNSET for unassigned resources
ACPI: Normalize return value of resource parser functions
ACPI: Fix a bug in parsing ACPI Memory24 resource
ACPI: Add prefetch decoding to the address space parser
ACPI: Move the window flag logic to the combined parser
ACPI: Unify the parsing of address_space and ext_address_space
ACPI: Let the parser return false for disabled resources
...
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* acpi-doc:
MAINTAINERS / ACPI: add the necessary '/' according to entry rules
ACPI / Documentation: add a missing '='
* acpi-pm:
ACPI / sleep: mark acpi_sleep_dmi_check() __init
* acpi-pcc:
ACPI / PCC: Use pr_debug() for debug messages in pcc_init()
* acpi-tables:
ACPI / table: remove duplicate NULL check for the handler of acpi_table_parse()
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* acpi-video:
ACPI / video: Add disable_native_backlight quirk for Samsung 510R
ACPI / video: Add disable_native_backlight quirk for Samsung 730U3E/740U3E
* acpi-soc:
ACPI: add AMD ACPI2Platform device support for x86 system
ACPI / LPSS: Remove non-existing clock control from Intel Lynxpoint I2C
ACPI / LPSS: check the result of ioremap()
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* acpica:
ACPICA: Events: Enable APIs to allow interrupt/polling adaptive request based GPE handling model
ACPICA: Events: Introduce acpi_set_gpe()/acpi_finish_gpe() to reduce divergences
ACPICA: Events: Introduce ACPI_GPE_DISPATCH_RAW_HANDLER to fix 2 issues for the current GPE APIs
ACPICA: Update version to 20150204
ACPICA: Update Copyright headers to 2015
ACPICA: Hardware: Cast GPE enable_mask before storing
ACPICA: Events: Cleanup GPE dispatcher type obtaining code
ACPICA: Events: Cleanup to move acpi_gbl_global_event_handler invocation out of acpi_ev_gpe_dispatch()
ACPICA: Events: Cleanup of resetting the GPE handler to NULL before removing
ACPICA: Events: Fix uninitialized variable
ACPICA: Events: Remove acpi_ev_valid_gpe_event() due to current restriction
ACPICA: Events: Remove duplicated sanity check in acpi_ev_enable_gpe()
ACPICA: Events: Back port "ACPICA: Save current masks of enabled GPEs after enable register writes"
ACPICA: Resources: Provide common part for struct acpi_resource_address structures.
ACPI: Introduce acpi_unload_parent_table() usages in Linux kernel
ACPICA: take ACPI_MTX_INTERPRETER in acpi_unload_table_id()
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into for-next
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On qcom platforms we always enter the kernel in ARM mode,
regardless of the kernel being compiled for THUMB mode. Use
secondary_startup_arm() to properly switch the mode to what the
kernel expects if required.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Some platforms always enter the kernel in ARM mode even if the
kernel is compiled for THUMB2. Add a small wrapper on top of
secondary_startup() that switches into THUMB2 mode.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The __asmeq macro is used inside inline asm statements to ensure that
register asm variables that explicitly specify a register are mapped
correctly onto those registers when used in inline asm input and output
constraints. However, the string based matching fails to take into
account that 'fp' is often referred to as 'r11' and 'ip' is often
referred to as 'r12', (e.g., by clang), causing false negatives.
Fix this by making __asmeq consider the ("fp","r11"), ("r11","fp"),
("ip","r12") and ("r12","ip") cases specifically.
Reviewed-by: Alex Elder <elder@linaro.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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show_cacheinfo() needs to access the cacheinfo structure of any online
cpu. This was done with using smp_processor_id() as in index while in
preemtible context.
This means the cpu could be offline and the data be gone when it would
be accessed.
Better use any online cpu address and protect the data by get_online_cpus()
and put_online_cpus().
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The header was deleted, so stop trying to install it.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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<asm/apic.h> isn't included directly and without CONFIG_SMP, an option
that automagically pulls it can't be enabled.
Reported-by: Jim Davis <jim.epost@gmail.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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There is a superfluous '*' in the definition of kprobe_decode_insn_t
which on older versions of GCC (4.2.4) causes the compilation error:
In file included from arch/arm/probes/kprobes/core.c:37:
arch/arm/probes/kprobes/core.h:43: error: '[*]' not allowed in other than a declaration
Fix this by removing the unneeded character.
Reported-by: Janusz Użycki <j.uzycki@elproma.com.pl>
Signed-off-by: Jon Medhurst <tixy@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 RAS update from Ingo Molnar:
"The changes in this cycle were:
- allow mmcfg access to APEI error injection handlers
- improve MCE error messages
- smaller cleanups"
* 'x86-ras-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, mce: Fix sparse errors
x86, mce: Improve timeout error messages
ACPI, EINJ: Enhance error injection tolerance level
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm cleanups from Ingo Molnar:
"Two cleanups: simplify parse_setup_data() and sanitize_e820_map()
usage"
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, e820: Clean up sanitize_e820_map() users
x86, setup: Let early_memremap() handle page alignment
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 SoC updates from Ingo Molnar:
"Various Intel Atom SoC updates (mostly to enhance debuggability), plus
an apb_timer cleanup"
* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: pmc_atom: Expose contents of PSS
x86: pmc_atom: Clean up init function
x86: pmc-atom: Remove unused macro
x86: pmc_atom: don%27t check for NULL twice
x86: pmc-atom: Assign debugfs node as soon as possible
x86/platform: Remove unused function from apb_timer.c
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fpu updates from Ingo Molnar:
"Initial round of kernel_fpu_begin/end cleanups from Oleg Nesterov,
plus a cleanup from Borislav Petkov"
* 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, fpu: Fix math_state_restore() race with kernel_fpu_begin()
x86, fpu: Don't abuse has_fpu in __kernel_fpu_begin/end()
x86, fpu: Introduce per-cpu in_kernel_fpu state
x86/fpu: Use a symbolic name for asm operand
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI updates from Ingo Molnar:
"Main changes:
- Move efivarfs from the misc filesystem section to pseudo filesystem
- Expose firmware platform size in sysfs
- Improve robustness of get_memory_map() by removing assumptions on
the size of efi_memory_desc_t.
- various cleanups and fixes
The biggest risk is the get_memory_map() change, which changes the way
that both the arm64 and x86 EFI boot stub build the early memory map.
There are no known regressions with it at the moment, BYMMV"
* 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi: Don't look for chosen@0 node on DT platforms
firmware: efi: Remove unneeded guid unparse
efi/libstub: Call get_memory_map() to obtain map and desc sizes
efi: Small leak on error in runtime map code
efi: rtc-efi: Mark UIE as unsupported
arm64/efi: efistub: Apply __init annotation
efi: Expose underlying UEFI firmware platform size to userland
efi: Rename efi_guid_unparse to efi_guid_to_str
efi: Update the URLs for efibootmgr
fs: Make efivarfs a pseudo filesystem, built by default with EFI
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cleanups from Ingo Molnar:
"Misc cleanups"
* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/rtc: Remove duplicate const specifier
x86, early_serial_console: Remove unnecessary check
x86, early_serial_console: Remove unused macro XMTRDY
x86, setup: Rename BOOT_ISDIGIT_H to BOOT_CTYPE_H
x86, CPU: Fix trivial printk formatting issues with dmesg
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 asm changes from Ingo Molnar:
"The main changes in this cycle were the x86/entry and sysret
enhancements from Andy Lutomirski, see merge commits 772a9aca125 and
b57c0b5175dd for details"
[ Exectutive summary: IST exceptions that interrupt user space will run
on the regular kernel stack instead of the IST stack. Which
simplifies things particularly on return to user space.
The sysret cleanup ends up simplifying the logic on when we can use
sysret vs when we have to use iret. - Linus ]
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86_64, entry: Remove the syscall exit audit and schedule optimizations
x86_64, entry: Use sysret to return to userspace when possible
x86, traps: Fix ist_enter from userspace
x86, vdso: teach 'make clean' remove vdso64 binaries
x86_64 entry: Fix RCX for ptraced syscalls
x86: entry_64.S: fold SAVE_ARGS_IRQ macro into its sole user
x86: ia32entry.S: fix wrong symbolic constant usage: R11->ARGOFFSET
x86: entry_64.S: delete unused code
x86, mce: Get rid of TIF_MCE_NOTIFY and associated mce tricks
x86, traps: Add ist_begin_non_atomic and ist_end_non_atomic
x86: Clean up current_stack_pointer
x86, traps: Track entry into and exit from IST context
x86, entry: Switch stacks on a paranoid entry from userspace
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 APIC updates from Ingo Molnar:
"Continued fallout of the conversion of the x86 IRQ code to the
hierarchical irqdomain framework: more cleanups, simplifications,
memory allocation behavior enhancements, mainly in the interrupt
remapping and APIC code"
* 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (44 commits)
x86, init: Fix UP boot regression on x86_64
iommu/amd: Fix irq remapping detection logic
x86/acpi: Make acpi_[un]register_gsi_ioapic() depend on CONFIG_X86_LOCAL_APIC
x86: Consolidate boot cpu timer setup
x86/apic: Reuse apic_bsp_setup() for UP APIC setup
x86/smpboot: Sanitize uniprocessor init
x86/smpboot: Move apic init code to apic.c
init: Get rid of x86isms
x86/apic: Move apic_init_uniprocessor code
x86/smpboot: Cleanup ioapic handling
x86/apic: Sanitize ioapic handling
x86/ioapic: Add proper checks to setp/enable_IO_APIC()
x86/ioapic: Provide stub functions for IOAPIC%3Dn
x86/smpboot: Move smpboot inlines to code
x86/x2apic: Use state information for disable
x86/x2apic: Split enable and setup function
x86/x2apic: Disable x2apic from nox2apic setup
x86/x2apic: Add proper state tracking
x86/x2apic: Clarify remapping mode for x2apic enablement
x86/x2apic: Move code in conditional region
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar:
"Kernel side changes:
- AMD range breakpoints support:
Extend breakpoint tools and core to support address range through
perf event with initial backend support for AMD extended
breakpoints.
The syntax is:
perf record -e mem:addr/len:type
For example set write breakpoint from 0x1000 to 0x1200 (0x1000 + 512)
perf record -e mem:0x1000/512:w
- event throttling/rotating fixes
- various event group handling fixes, cleanups and general paranoia
code to be more robust against bugs in the future.
- kernel stack overhead fixes
User-visible tooling side changes:
- Show precise number of samples in at the end of a 'record' session,
if processing build ids, since we will then traverse the whole
perf.data file and see all the PERF_RECORD_SAMPLE records,
otherwise stop showing the previous off-base heuristicly counted
number of "samples" (Namhyung Kim).
- Support to read compressed module from build-id cache (Namhyung
Kim)
- Enable sampling loads and stores simultaneously in 'perf mem'
(Stephane Eranian)
- 'perf diff' output improvements (Namhyung Kim)
- Fix error reporting for evsel pgfault constructor (Arnaldo Carvalho
de Melo)
Tooling side infrastructure changes:
- Cache eh/debug frame offset for dwarf unwind (Namhyung Kim)
- Support parsing parameterized events (Cody P Schafer)
- Add support for IP address formats in libtraceevent (David Ahern)
Plus other misc fixes"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (48 commits)
perf: Decouple unthrottling and rotating
perf: Drop module reference on event init failure
perf: Use POLLIN instead of POLL_IN for perf poll data in flag
perf: Fix put_event() ctx lock
perf: Fix move_group() order
perf: Fix event->ctx locking
perf: Add a bit of paranoia
perf symbols: Convert lseek + read to pread
perf tools: Use perf_data_file__fd() consistently
perf symbols: Support to read compressed module from build-id cache
perf evsel: Set attr.task bit for a tracking event
perf header: Set header version correctly
perf record: Show precise number of samples
perf tools: Do not use __perf_session__process_events() directly
perf callchain: Cache eh/debug frame offset for dwarf unwind
perf tools: Provide stub for missing pthread_attr_setaffinity_np
perf evsel: Don't rely on malloc working for sz 0
tools lib traceevent: Add support for IP address formats
perf ui/tui: Show fatal error message only if exists
perf tests: Fix typo in sample-parsing.c
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