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linux/arch/arm/include/asm
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Matthew Wilcox fd1d362600 ARM: implement memset32 & memset64 
Reuse the existing optimised memset implementation to implement an
optimised memset32 and memset64.

Link: http://lkml.kernel.org/r/20170720184539.31609-5-willy@infradead.org
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Reviewed-by: Russell King <rmk+kernel@armlinux.org.uk>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "James E.J. Bottomley" <jejb@linux.vnet.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: David Miller <davem@davemloft.net>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-09-08 18:26:48 -07:00
..
hardware
ARM/clk: move the ICST library to drivers/clk
2017-04-07 11:58:12 +02:00
mach
ARM/PCI: Convert PCI scan API to pci_scan_root_bus_bridge()
2017-06-28 15:13:55 -05:00
xen
xen: avoid type warning in xchg_xen_ulong
2017-06-08 15:07:38 -07:00
arch_gicv3.h
irqchip/gic-v3-its: Add VPE interrupt masking
2017-08-31 15:31:38 +01:00
arch_timer.h
clocksource: arch_timer: Fix code to use physical timers when requested
2014-12-04 23:30:26 -08:00
arm-cci.h
arm-cci: Get rid of secure transactions for PMU driver
2015-03-27 13:44:35 +00:00
asm-offsets.h
…
assembler.h
ARM: Prepare for randomized task_struct
2017-06-30 12:00:50 -07:00
atomic.h
locking/atomic: Remove linux/atomic.h:atomic_fetch_or()
2016-06-16 10:48:32 +02:00
auxvec.h
ARM: 8329/1: miscellaneous vdso infrastructure, preparation
2015-03-27 22:20:45 +00:00
barrier.h
ARM: 8582/1: remove unused CONFIG_ARCH_HAS_BARRIERS
2016-07-02 11:01:08 +01:00
bitops.h
ARM: 8679/1: bitops: Align prototypes to generic API
2017-06-18 22:36:33 +01:00
bitrev.h
ARM: 8287/1: add bitrev.h file to support rbit instruction
2015-01-16 14:06:18 +00:00
bL_switcher.h
ARM: bL_switcher: Add query interface to discover CPU affinities
2013-09-23 18:47:31 -04:00
bug.h
debug: Fix WARN_ON_ONCE() for modules
2017-07-20 12:31:04 +02:00
bugs.h
…
cache.h
…
cacheflush.h
randstruct: opt-out externally exposed function pointer structs
2017-06-30 12:00:52 -07:00
cachetype.h
ARM: 8604/1: V7M: Add support for reading the CTR with read_cpuid_cachetype()
2016-09-06 15:51:07 +01:00
checksum.h
ipv6: Pass proto to csum_ipv6_magic as __u8 instead of unsigned short
2016-03-13 23:55:13 -04:00
clocksource.h
arm/arm64: arch_timer: Use archdata to indicate vdso suitability
2016-09-23 17:19:25 +01:00
cmpxchg.h
ARM: 8443/1: Adding support for atomic half word exchange
2015-10-09 16:22:54 +01:00
compiler.h
ARM: 8300/1: teach __asmeq that r11 == fp and r12 == ip
2015-02-10 10:23:11 +00:00
cp15.h
ARM: Move system register accessors to asm/cp15.h
2016-09-22 13:22:10 +02:00
cpu.h
…
cpufeature.h
ARM: 8663/1: wire up HWCAP/HWCAP2 feature bits to the CPU modalias
2017-03-30 19:45:52 +01:00
cpuidle.h
ARM: cpuidle: add const qualifier to cpuidle_ops member in structures
2016-04-20 06:59:10 +02:00
cputype.h
ARM: 8634/1: hw_breakpoint: blacklist Scorpion CPUs
2017-01-10 23:32:26 +00:00
cti.h
…
dcc.h
ARM: tty: Move HVC DCC assembly to arch/arm
2014-05-28 13:33:18 -07:00
delay.h
ARM: 8619/1: udelay: document the various constants
2016-10-19 10:52:36 +01:00
device.h
ARM: dma-mapping: Don't tear down third-party mappings
2017-05-30 11:31:33 +02:00
div64.h
ARM: 8504/1: __arch_xprod_64(): small optimization
2016-02-11 15:33:37 +00:00
dma-contiguous.h
drivers: dma-contiguous: clean source code and prepare for device tree
2013-08-27 09:18:29 +02:00
dma-iommu.h
arm: remove arch specific dma_supported implementation
2017-06-28 06:54:45 -07:00
dma-mapping.h
ARM: NOMMU: Introduce dma operations for noMMU
2017-06-30 10:03:09 -07:00
dma.h
remove <asm/scatterlist.h>
2015-05-05 13:35:39 -06:00
dmi.h
efi/arm: Enable DMI/SMBIOS
2017-06-05 17:50:44 +02:00
domain.h
ARM: 8573/1: domain: move {set,get}_domain under config guard
2016-05-05 19:03:02 +01:00
ecard.h
…
edac.h
EDAC: Cleanup atomic_scrub mess
2015-05-28 15:31:53 +02:00
efi.h
efi/arm-stub: Correct FDT and initrd allocation rules for arm64
2017-04-05 12:27:23 +02:00
elf.h
arm: move ELF_ET_DYN_BASE to 4MB
2017-07-10 16:32:36 -07:00
entry-macro-multi.S
ARM: replace BSYM() with badr assembly macro
2015-05-08 17:33:50 +01:00
exception.h
arch, ftrace: for KASAN put hard/soft IRQ entries into separate sections
2016-03-25 16:37:42 -07:00
fb.h
…
fiq.h
…
firmware.h
ARM: EXYNOS: add exynos_get_boot_addr() helper
2015-06-06 02:17:56 +09:00
fixmap.h
ARM: 8667/3: Fix memory attribute inconsistencies when using fixmap
2017-04-20 11:19:42 +01:00
flat.h
binfmt_flat: flat_{get,put}_addr_from_rp() should be able to fail
2017-07-03 18:44:02 -04:00
floppy.h
ARM: 8584/1: floppy: avoid gcc-6 warning
2016-07-02 11:02:13 +01:00
fncpy.h
…
fpstate.h
…
ftrace.h
ARM: 8678/1: ftrace: Adds support for CONFIG_DYNAMIC_FTRACE_WITH_REGS
2017-06-18 22:25:16 +01:00
futex.h
futex: Remove duplicated code and fix undefined behaviour
2017-08-25 22:49:59 +02:00
glue-cache.h
ARM: 8607/1: V7M: Wire up caches for V7M processors with cache support.
2016-09-06 15:51:08 +01:00
glue-df.h
ARM: 8065/1: remove last use of CONFIG_CPU_ARM710
2014-05-30 01:12:30 +01:00
glue-pf.h
…
glue-proc.h
ARM: 8103/1: save/restore Cortex-A9 CP15 registers on suspend/resume
2014-07-18 12:29:37 +01:00
glue.h
…
gpio.h
ARM: delete old reference to ARM_GPIOLIB_COMPLEX
2014-06-30 21:37:39 +02:00
hardirq.h
ARM: 8487/1: Remove IPI_CALL_FUNC_SINGLE
2015-12-22 12:09:43 +00:00
highmem.h
kmap_atomic_to_page() has no users, remove it
2015-11-09 15:11:24 -08:00
hugetlb-3level.h
ARM: mm: HugeTLB support for LPAE systems.
2013-06-04 16:52:37 +01:00
hugetlb.h
mm/hugetlb: remove arch_prepare/release_hugepage from arch headers
2015-06-25 17:00:35 -07:00
hw_breakpoint.h
ARM: 8598/1: remove traces of perf_ops_bp
2016-08-23 10:09:23 +01:00
hw_irq.h
ARM: Remove ununsed set_irq_flags
2015-09-16 16:53:39 +02:00
hwcap.h
ARM: 7981/1: add support for AT_HWCAP2 ELF auxv entry
2014-02-25 11:40:48 +00:00
hypervisor.h
…
ide.h
…
idmap.h
…
insn.h
ARM: kprobes: enable OPTPROBES for ARM 32
2015-01-13 16:10:17 +00:00
io.h
ARM: Implement pci_remap_cfgspace() interface
2017-04-24 13:53:13 -05:00
irq_work.h
arm: Tell irq work about self IPI support
2014-09-13 18:38:39 +02:00
irq.h
nmi_backtrace: add more trigger_*_cpu_backtrace() methods
2016-10-07 18:46:30 -07:00
irqflags.h
ARM: 8422/1: enable imprecise aborts during early kernel startup
2015-09-22 08:13:56 +01:00
jump_label.h
locking/static_keys: Add a new static_key interface
2015-08-03 11:34:15 +02:00
Kbuild
ARM: move generic-y of exported headers to uapi/asm/Kbuild
2017-07-10 03:43:20 +09:00
kexec.h
ARM: kexec: fix failure to boot crash kernel
2017-07-20 11:37:42 +01:00
kgdb.h
ARM: kdgb: use <asm/opcodes.h> for data to be assembled as intruction
2013-10-19 20:46:35 +01:00
kmap_types.h
…
kprobes.h
kprobes: move kprobe declarations to asm-generic/kprobes.h
2017-02-27 18:43:45 -08:00
kvm_arm.h
arm/arm64: KVM: add guest SEA support
2017-06-22 18:22:05 +01:00
kvm_asm.h
ARM: KVM: Gracefully handle hyp-stubs being restored from under our feet
2017-04-09 07:49:31 -07:00
kvm_coproc.h
KVM: arm: plug potential guest hardware debug leakage
2017-05-15 14:29:19 +02:00
kvm_emulate.h
arm: KVM: Add Virtual Abort injection helper
2016-09-08 12:53:00 +02:00
kvm_host.h
KVM: update to new mmu_notifier semantic v2
2017-08-31 16:13:00 -07:00
kvm_hyp.h
ARM: KVM: move asmlinkage before type
2017-07-12 16:26:04 -07:00
kvm_mmio.h
KVM: arm/arm64: Export mmio_read/write_bus
2016-05-20 15:39:42 +02:00
kvm_mmu.h
arm/arm64: KVM: Remove kvm_get_idmap_start
2017-04-09 07:49:32 -07:00
kvm_psci.h
ARM/ARM64: KVM: Make kvm_psci_call() return convention more flexible
2014-04-30 04:18:57 -07:00
limits.h
…
linkage.h
…
mc146818rtc.h
…
mcpm.h
ARM: MCPM: remove residency argument from mcpm_cpu_suspend()
2015-05-06 11:47:10 -04:00
mcs_spinlock.h
ARM: 8098/1: mcs lock: implement wfe-based polling for MCS locking
2014-07-18 12:29:35 +01:00
memblock.h
ARM: 8025/1: Get rid of meminfo
2014-06-01 01:17:12 +01:00
memory.h
ARM: 8648/2: nommu: display vectors base
2017-02-28 11:06:14 +00:00
mmu_context.h
sched/headers: Prepare to remove the <linux/mm_types.h> dependency from <linux/sched.h>
2017-03-02 08:42:37 +01:00
mmu.h
ARM: 8329/1: miscellaneous vdso infrastructure, preparation
2015-03-27 22:20:45 +00:00
module.h
ARM: 8662/1: module: split core and init PLT sections
2017-03-17 10:01:28 +00:00
mpu.h
ARM: mpu: protect the vectors page with an MPU region
2013-06-17 15:13:18 +01:00
mtd-xip.h
…
neon.h
ARM: add support for kernel mode NEON
2013-07-08 22:08:51 +01:00
nwflash.h
…
opcodes-sec.h
…
opcodes-virt.h
…
opcodes.h
…
outercache.h
ARM: move heavy barrier support out of line
2015-07-25 15:28:05 +01:00
page-nommu.h
ARM: 8684/1: NOMMU: Remove unused KTHREAD_SIZE definition
2017-06-27 14:58:10 +01:00
page.h
ARM: make vectors page inaccessible from userspace
2013-08-01 14:31:58 +01:00
paravirt.h
arm: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time_ops
2015-12-21 14:40:54 +00:00
patch.h
ARM: probes: move all probe code to dedicate directory
2015-01-09 09:36:50 +00:00
pci.h
ARM/PCI: Use generic pci_mmap_resource_range()
2017-04-20 08:47:47 -05:00
percpu.h
ARM: 8174/1: Use global stack register variable for percpu
2014-11-13 23:58:06 +00:00
perf_event.h
arm: perf: Fix callchain parse error with kernel tracepoint events
2015-05-27 16:12:05 +01:00
pgalloc.h
arm: get rid of superfluous __GFP_REPEAT
2016-07-26 16:19:19 -07:00
pgtable-2level-hwdef.h
ARM: 8612/1: LPAE: initialize cache policy correctly
2016-09-12 12:12:30 +01:00
pgtable-2level-types.h
…
pgtable-2level.h
ARM: 8578/1: mm: ensure pmd_present only checks the valid bit
2016-06-09 17:51:47 +01:00
pgtable-3level-hwdef.h
ARM: 8612/1: LPAE: initialize cache policy correctly
2016-09-12 12:12:30 +01:00
pgtable-3level-types.h
…
pgtable-3level.h
ARM: 8579/1: mm: Fix definition of pmd_mknotpresent
2016-06-09 17:51:47 +01:00
pgtable-hwdef.h
…
pgtable-nommu.h
ARM: 8676/1: NOMMU: provide pgprot_device() macro
2017-06-05 10:29:40 +01:00
pgtable.h
arch, mm: convert all architectures to use 5level-fixup.h
2017-03-09 11:48:47 -08:00
probes.h
ARM: optprobes: execute instruction during restoring if possible.
2015-01-14 12:24:52 +00:00
proc-fns.h
ARM: soft-reboot into same mode that we entered the kernel
2017-04-09 07:49:24 -07:00
processor.h
locking/core: Provide common cpu_relax_yield() definition
2016-11-17 08:17:36 +01:00
procinfo.h
…
prom.h
of/fdt: move memreserve and dtb memory reservations into core
2014-04-30 00:59:17 -05:00
psci.h
ARM: SoC cleanups for v4.5
2016-01-20 17:55:20 -08:00
ptrace.h
ARM: save and reset the address limit when entering an exception
2016-07-07 16:01:01 +01:00
sections.h
ARM: 8518/1: Use correct symbols for XIP_KERNEL
2016-02-11 15:43:14 +00:00
set_memory.h
treewide: move set_memory_* functions away from cacheflush.h
2017-05-08 17:15:13 -07:00
setup.h
ARM: 8495/1: ATAGS: move save_atags() to arch/arm/include/asm/setup.h
2016-01-04 11:26:00 +00:00
shmparam.h
…
signal.h
…
smp_plat.h
ARM: 8392/3: smp: Only expose /sys/.../cpuX/online if hotpluggable
2015-07-31 18:58:30 +01:00
smp_scu.h
ARM: make it easier to check the CPU part number correctly
2014-07-18 12:29:02 +01:00
smp_twd.h
…
smp.h
ARM: 8423/1: add const qualifier to smp_operations member in structures
2015-09-22 08:13:57 +01:00
sparsemem.h
ARM: 8411/1: Add default SPARSEMEM settings
2016-02-16 16:35:21 +00:00
spinlock_types.h
ARM: locks: prefetch the destination word for write prior to strex
2013-09-30 16:42:55 +01:00
spinlock.h
arch: Remove spin_unlock_wait() arch-specific definitions
2017-08-17 08:08:59 -07:00
stackprotector.h
…
stacktrace.h
ARM: 8070/1: Introduce arm_get_current_stack_frame()
2014-07-18 12:29:11 +01:00
stage2_pgtable.h
kvm-arm: arm32: Introduce stage2 page table helpers
2016-04-21 14:57:26 +02:00
string.h
ARM: implement memset32 & memset64
2017-09-08 18:26:48 -07:00
suspend.h
ARM: 8389/1: Add cpu_resume_arm() for firmwares that resume in ARM state
2015-06-12 21:17:17 +01:00
swab.h
…
switch_to.h
sched, arm: Remove finish_arch_switch()
2015-08-04 09:37:52 +02:00
sync_bitops.h
ARM: 7989/1: Delete asm/system.h
2014-02-25 11:33:37 +00:00
syscall.h
ARM: 8152/1: Convert pr_warning to pr_warn
2014-09-26 14:39:53 +01:00
system_info.h
ARM: 8355/1: arch: Show the serial number from devicetree in cpuinfo
2015-05-08 10:42:35 +01:00
system_misc.h
arm/arm64: KVM: add guest SEA support
2017-06-22 18:22:05 +01:00
tcm.h
…
therm.h
…
thread_info.h
arm/syscalls: Check address limit on user-mode return
2017-07-08 14:05:33 +02:00
thread_notify.h
…
timex.h
ARM: drop <mach/timex.h> for !ARCH_MULTIPLATFORM, too
2013-12-20 17:17:16 +01:00
tlb.h
mm: fix MADV_[FREE|DONTNEED] TLB flush miss problem
2017-08-10 15:54:07 -07:00
tlbflush.h
sched/headers: Prepare to remove the <linux/mm_types.h> dependency from <linux/sched.h>
2017-03-02 08:42:37 +01:00
tls.h
ARM: 8178/1: fix set_tls for !CONFIG_KUSER_HELPERS
2014-09-30 16:55:23 +01:00
topology.h
sched/topology: Rename topology_thread_cpumask() to topology_sibling_cpumask()
2015-05-27 15:22:15 +02:00
traps.h
irq: Make the irqentry text section unconditional
2017-08-10 16:28:53 +02:00
trusted_foundations.h
treewide: remove redundant #include <linux/kconfig.h>
2016-10-11 15:06:33 -07:00
uaccess.h
Merge branch 'x86-syscall-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-09-04 11:18:17 -07:00
ucontext.h
ARM: 8687/1: signal: Fix unparseable iwmmxt_sigframe in uc_regspace[]
2017-07-24 14:26:55 +01:00
unified.h
ARM: replace BSYM() with badr assembly macro
2015-05-08 17:33:50 +01:00
unistd.h
ARM: wire up new pkey syscalls
2016-10-19 10:18:47 +01:00
unwind.h
…
uprobes.h
ARM: add uprobes support
2014-03-18 16:39:40 -04:00
user.h
…
v7m.h
ARM: 8603/1: V7M: Add addresses for mem-mapped V7M cache operations
2016-09-06 15:51:06 +01:00
vdso_datapage.h
ARM: 8329/1: miscellaneous vdso infrastructure, preparation
2015-03-27 22:20:45 +00:00
vdso.h
ARM: 8329/1: miscellaneous vdso infrastructure, preparation
2015-03-27 22:20:45 +00:00
vfp.h
ARM: vfp: Add vfp_disable for problematic platforms
2015-05-20 15:07:00 -07:00
vfpmacros.h
…
vga.h
…
virt.h
ARM: hyp-stub/KVM: Kill __hyp_get_vectors
2017-04-09 07:49:34 -07:00
word-at-a-time.h
ARM: 8322/1: keep .text and .fixup regions closer together
2015-03-29 23:11:56 +01:00
xor.h
ARM: crypto: add NEON accelerated XOR implementation
2013-07-08 22:09:06 +01:00