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linux/arch/arm64/kernel
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Ard Biesheuvel 24534b3511 arm64: assembler: add macros to conditionally yield the NEON under PREEMPT 
Add support macros to conditionally yield the NEON (and thus the CPU)
that may be called from the assembler code.

In some cases, yielding the NEON involves saving and restoring a non
trivial amount of context (especially in the CRC folding algorithms),
and so the macro is split into three, and the code in between is only
executed when the yield path is taken, allowing the context to be preserved.
The third macro takes an optional label argument that marks the resume
path after a yield has been performed.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2018-04-11 18:50:34 +01:00
..
probes
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
vdso
arm64 updates for 4.15
2017-11-15 10:56:56 -08:00
.gitignore
arm64: Build infrastructure
2012-09-17 13:42:21 +01:00
acpi_numa.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
acpi_parking_protocol.c
arm64: fix endianness annotation in acpi_parking_protocol.c
2017-06-29 11:33:15 +01:00
acpi.c
More ACPI updates for v4.16-rc1
2018-02-09 09:44:25 -08:00
alternative.c
arm64: alternatives: Add dynamic patching feature
2018-03-19 13:03:17 +00:00
arm64ksyms.c
arm64: uaccess: Mask __user pointers for __arch_{clear, copy_*}_user
2018-02-06 22:53:40 +00:00
armv8_deprecated.c
arm64: signal: Make force_signal_inject more robust
2018-03-06 18:52:22 +00:00
asm-offsets.c
arm64: assembler: add macros to conditionally yield the NEON under PREEMPT
2018-04-11 18:50:34 +01:00
cacheinfo.c
arm64: cacheinfo: Remove CCSIDR-based cache information probing
2017-03-20 16:16:54 +00:00
cpu_errata.c
arm64: Move the content of bpi.S to hyp-entry.S
2018-04-11 18:49:30 +01:00
cpu_ops.c
arm64: cpu_ops: Add missing 'const' qualifiers
2017-12-01 13:05:08 +00:00
cpu-reset.h
arm64: Use __pa_symbol for kernel symbols
2017-01-12 15:05:39 +00:00
cpu-reset.S
arm64: idmap: Use "awx" flags for .idmap.text .pushsection directives
2018-02-06 22:53:27 +00:00
cpufeature.c
ARM:
2018-04-09 11:42:31 -07:00
cpuidle.c
ARM64 / cpuidle: Use new cpuidle macro for entering retention state
2018-01-02 13:50:34 +00:00
cpuinfo.c
arm64: Expose Arm v8.4 features
2018-03-19 18:14:27 +00:00
crash_dump.c
arm64: kdump: provide /proc/vmcore file
2017-04-05 18:31:38 +01:00
debug-monitors.c
arm64: Use arm64_force_sig_info instead of force_sig_info
2018-03-06 18:52:32 +00:00
efi-entry.S
arm64: Add software workaround for Falkor erratum 1041
2018-02-06 22:53:13 +00:00
efi-header.S
arm64: efi: split Image code and data into separate PE/COFF sections
2017-04-04 17:50:59 +01:00
efi-rt-wrapper.S
efi/arm64: Check whether x18 is preserved by runtime services calls
2018-03-09 08:58:22 +01:00
efi.c
efi/arm64: Check whether x18 is preserved by runtime services calls
2018-03-09 08:58:22 +01:00
entry32.S
arm64: entry32: remove pointless register assignment
2015-07-10 16:47:13 +01:00
entry-fpsimd.S
arm64/sve: Low-level SVE architectural state manipulation functions
2017-11-03 15:24:14 +00:00
entry-ftrace.S
arm64: Fix static use of function graph
2017-11-03 12:05:23 +00:00
entry.S
2nd set of arm64 updates for 4.16:
2018-02-08 10:44:25 -08:00
fpsimd.c
arm64: uaccess: Fix omissions from usercopy whitelist
2018-03-28 15:25:44 +01:00
ftrace.c
arm64: ftrace: emit ftrace-mod.o contents through code
2017-12-01 13:04:59 +00:00
head.S
arm64/kvm: Prohibit guest LOR accesses
2018-02-26 10:48:01 +01:00
hibernate-asm.S
arm64: assembler: Change order of macro arguments in phys_to_ttbr
2018-02-06 22:53:21 +00:00
hibernate.c
arm64: mm: Use READ_ONCE/WRITE_ONCE when accessing page tables
2018-02-16 18:13:57 +00:00
hw_breakpoint.c
arm64: hw_breakpoint: Use linux/uaccess.h instead of asm/uaccess.h
2017-12-12 11:53:26 +00:00
hyp-stub.S
arm64: hyp-stub: Zero x0 on successful stub handling
2017-04-09 07:49:35 -07:00
image.h
arm64/efi: Make strrchr() available to the EFI namespace
2018-03-05 13:45:38 -06:00
insn.c
arm64: insn: Allow ADD/SUB (immediate) with LSL #12
2018-03-19 13:05:13 +00:00
io.c
arm64: Avoid aligning normal memory pointers in __memcpy_{to,from}io
2017-10-24 16:23:07 +01:00
irq.c
arm64: Add vmap_stack header file
2018-01-13 10:45:03 +00:00
jump_label.c
jump_label: Rename JUMP_LABEL_{EN,DIS}ABLE to JUMP_LABEL_{JMP,NOP}
2015-08-03 11:34:12 +02:00
kaslr.c
arm64/kernel: kaslr: reduce module randomization range to 4 GB
2018-03-08 13:49:26 +00:00
kgdb.c
arm64/debug: Fix registers on sleeping tasks
2018-03-06 18:52:34 +00:00
kuser32.S
arm64: Add __NR_* definitions for compat syscalls
2014-07-10 11:02:40 +01:00
machine_kexec.c
arm64: explicitly mask all exceptions
2017-11-02 15:55:40 +00:00
Makefile
arm64: Move the content of bpi.S to hyp-entry.S
2018-04-11 18:49:30 +01:00
module-plts.c
arm64/kernel: enable A53 erratum #8434319 handling at runtime
2018-03-09 13:23:09 +00:00
module.c
arm64/kernel: enable A53 erratum #8434319 handling at runtime
2018-03-09 13:23:09 +00:00
module.lds
arm64: ftrace: emit ftrace-mod.o contents through code
2017-12-01 13:04:59 +00:00
paravirt.c
arm64: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time_ops
2015-12-21 14:40:54 +00:00
pci.c
PCI: Add a generic weak pcibios_align_resource()
2017-08-02 14:53:16 -05:00
perf_callchain.c
arm64: unwind: remove sp from struct stackframe
2017-08-09 14:10:29 +01:00
perf_event.c
arm64: perf: correct PMUVer probing
2018-02-20 11:34:54 +00:00
perf_regs.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
process.c
arm64: uaccess: Fix omissions from usercopy whitelist
2018-03-28 15:25:44 +01:00
psci.c
arm64: Use __pa_symbol for kernel symbols
2017-01-12 15:05:39 +00:00
ptrace.c
arm64: uaccess: Fix omissions from usercopy whitelist
2018-03-28 15:25:44 +01:00
reloc_test_core.c
arm64: fix undefined reference to 'printk'
2018-03-19 18:14:25 +00:00
reloc_test_syms.S
arm64: fix undefined reference to 'printk'
2018-03-19 18:14:25 +00:00
relocate_kernel.S
arm64: Add software workaround for Falkor erratum 1041
2018-02-06 22:53:13 +00:00
return_address.c
arm64: unwind: remove sp from struct stackframe
2017-08-09 14:10:29 +01:00
sdei.c
arm64: sdei: Add trampoline code for remapping the kernel
2018-01-14 18:49:50 +00:00
setup.c
arm64: Move the async/fiq helpers to explicitly set process context flags
2017-11-02 15:55:41 +00:00
signal32.c
arm64: uaccess: Fix omissions from usercopy whitelist
2018-03-28 15:25:44 +01:00
signal.c
arm64: uaccess: Fix omissions from usercopy whitelist
2018-03-28 15:25:44 +01:00
sleep.S
arm64: idmap: Use "awx" flags for .idmap.text .pushsection directives
2018-02-06 22:53:27 +00:00
smccc-call.S
firmware: qcom: scm: Fix interrupted SCM calls
2017-02-03 18:46:33 +00:00
smp_spin_table.c
arm64: Use __pa_symbol for kernel symbols
2017-01-12 15:05:39 +00:00
smp.c
arm64: capabilities: Change scope of VHE to Boot CPU feature
2018-03-26 18:01:41 +01:00
stacktrace.c
arm64: fix unwind_frame() for filtered out fn for function graph tracing
2018-02-23 13:46:38 +00:00
suspend.c
arm64: uaccess: Add PAN helper
2018-01-13 10:45:10 +00:00
sys32.c
arm64: fix implementation of mmap2 compat syscall
2015-03-19 10:43:51 +00:00
sys_compat.c
arm64: uaccess: Fix omissions from usercopy whitelist
2018-03-28 15:25:44 +01:00
sys.c
mm: add ksys_mmap_pgoff() helper; remove in-kernel calls to sys_mmap_pgoff()
2018-04-02 20:16:11 +02:00
time.c
arm64: fix unwind_frame() for filtered out fn for function graph tracing
2018-02-23 13:46:38 +00:00
topology.c
arm64: Use of_cpu_node_to_id helper for CPU topology parsing
2018-01-02 16:43:12 +00:00
trace-events-emulation.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
traps.c
arm64: capabilities: Update prototype for enable call back
2018-03-26 18:00:37 +01:00
vdso.c
arm64/vdso: Support mremap() for vDSO
2017-08-09 12:16:28 +01:00
vmlinux.lds.S
arm64: Extend early page table code to allow for larger kernels
2018-01-14 18:49:52 +00:00