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6eb6c80187
linux/arch/arm64/kernel
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Janet Liu 6eb6c80187 arm64: kernel thread don't need to save fpsimd context. 
kernel thread's default fpsimd state is zero. When fork a thread, if parent is kernel thread,
 and save hardware context to parent's fpsimd state, but this hardware context is user
process's context, because kernel thread don't use fpsimd, it will not introduce issue,
it add a little cost.

Signed-off-by: Janet Liu <janet.liu@spreadtrum.com>
Signed-off-by: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2015-06-11 15:35:23 +01:00
..
vdso arm64: vdso: minor ABI fix for clock_getres 2015-02-26 18:13:51 +00:00
.gitignore
acpi.c arm64: psci: remove ACPI coupling 2015-05-27 13:22:24 +01:00
alternative.c arm64: alternative: Allow immediate branch as alternative instruction 2015-06-05 10:38:53 +01:00
arm64ksyms.c
armv8_deprecated.c arm64: Emulate SETEND for AArch32 tasks 2015-01-23 17:11:44 +00:00
asm-offsets.c arm64 updates for 4.1: 2015-04-16 13:58:29 -05:00
cacheinfo.c arm64: kernel: add support for cpu cache information 2015-01-15 11:55:07 +00:00
cpu_errata.c arm64: fix midr range for Cortex-A57 erratum 832075 2015-04-01 11:12:03 +01:00
cpu_ops.c ARM64: kernel: unify ACPI and DT cpus initialization 2015-05-19 16:09:29 +01:00
cpufeature.c arm64: Extract feature parsing code from cpu_errata.c 2015-03-30 11:03:43 +01:00
cpuidle.c ARM64: kernel: make cpu_ops hooks DT agnostic 2015-05-19 16:09:29 +01:00
cpuinfo.c arm64: Extract feature parsing code from cpu_errata.c 2015-03-30 11:03:43 +01:00
debug-monitors.c
efi-entry.S arm64 updates for 3.19 2014-12-09 13:12:47 -08:00
efi-stub.c arm64/efi: efistub: Apply __init annotation 2015-01-15 21:28:35 +00:00
efi.c arm64: efi: don't restore TTBR0 if active_mm points at init_mm 2015-03-20 17:05:16 +00:00
entry32.S arm64: fix implementation of mmap2 compat syscall 2015-03-19 10:43:51 +00:00
entry-fpsimd.S
entry-ftrace.S arm64: ftrace: eliminate literal pool entries 2014-11-07 15:04:49 +00:00
entry.S arm64: fix missing syscall trace exit 2015-06-08 18:34:21 +01:00
fpsimd.c
ftrace.c arm64: ftrace: fix ftrace_modify_graph_caller for branch replace 2015-02-23 09:13:45 +00:00
head.S arm64: reduce ID map to a single page 2015-06-02 17:44:51 +01:00
hw_breakpoint.c Merge branch 'perf/x86' into perf/core, because it's ready 2015-03-27 09:46:19 +01:00
hyp-stub.S
image.h
insn.c arm64: insn: Add aarch64_{get,set}_branch_offset 2015-06-03 15:43:24 +01:00
io.c
irq.c arm64: Treat handle_arch_irq as a function pointer 2014-11-25 15:56:44 +00:00
jump_label.c arm64: jump labels: NOP out NOP -> NOP replacement 2014-11-26 17:19:47 +00:00
kgdb.c
kuser32.S
Makefile Initial ACPI support for arm64: 2015-04-24 08:23:45 -07:00
module.c mm: vmalloc: pass additional vm_flags to __vmalloc_node_range() 2015-02-13 21:21:42 -08:00
pci.c ARM64 / ACPI: Introduce PCI stub functions for ACPI 2015-03-25 11:49:31 +00:00
perf_event.c arm64: Mark PMU interrupt IRQF_NO_THREAD 2015-05-19 15:27:42 +01:00
perf_regs.c perf: Move task_pt_regs sampling into arch code 2015-01-09 11:12:28 +01:00
process.c arm64: kernel thread don't need to save fpsimd context. 2015-06-11 15:35:23 +01:00
psci-call.S arm64: psci: move psci firmware calls out of line 2015-02-26 18:23:53 +00:00
psci.c arm64: psci: remove ACPI coupling 2015-05-27 13:22:24 +01:00
ptrace.c arm64: add seccomp support 2014-11-28 10:24:59 +00:00
return_address.c
setup.c arm64: use fixmap region for permanent FDT mapping 2015-06-02 16:31:33 +01:00
signal32.c arm64: compat Fix siginfo_t -> compat_siginfo_t conversion on big endian 2015-02-27 18:05:56 +00:00
signal.c arm64: Removed unused variable 2015-04-13 20:40:10 +02:00
sleep.S arm64: drop sleep_idmap_phys and clean up cpu_resume() 2015-06-02 17:45:07 +01:00
smp_spin_table.c ARM64: kernel: make cpu_ops hooks DT agnostic 2015-05-19 16:09:29 +01:00
smp.c Merge branch 'arm64/psci-rework' of git://git.kernel.org/pub/scm/linux/kernel/git/mark/linux 2015-06-05 11:21:23 +01:00
stacktrace.c
suspend.c arm64: drop sleep_idmap_phys and clean up cpu_resume() 2015-06-02 17:45:07 +01:00
sys32.c arm64: fix implementation of mmap2 compat syscall 2015-03-19 10:43:51 +00:00
sys_compat.c arm64: compat: align cacheflush syscall with arch/arm 2014-12-01 13:31:12 +00:00
sys.c arm64: make sys_call_table const 2015-01-27 09:38:08 +00:00
time.c clocksource / arch_timer: Parse GTDT to initialize arch timer 2015-03-26 15:13:07 +00:00
topology.c arm64: topology: Fix handling of multi-level cluster MPIDR-based detection 2014-11-25 15:56:43 +00:00
trace-events-emulation.h arm64: Trace emulation of AArch32 legacy instructions 2014-11-20 16:35:02 +00:00
traps.c arm64: decode ESR_ELx.EC when reporting exceptions 2015-01-15 12:24:22 +00:00
vdso.c time: Rename timekeeper::tkr to timekeeper::tkr_mono 2015-03-27 09:45:06 +01:00
vmlinux.lds.S arm64: reduce ID map to a single page 2015-06-02 17:44:51 +01:00