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Bang Li c6ed4d84a2 ARC: remove redundant READ_ONCE() in cmpxchg loop 
This patch reverts commit 7082a29c22 ("ARC: use ACCESS_ONCE in cmpxchg
loop").

It is not necessary to use READ_ONCE() because cmpxchg contains barrier. We
can get it from commit d57f727264 ("ARC: add compiler barrier to LLSC
based cmpxchg").

Signed-off-by: Bang Li <libang.linuxer@gmail.com>
Signed-off-by: Vineet Gupta <vgupta@kernel.org>
2022-04-18 14:47:05 -07:00
..
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
arc_hostlink.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
arcksyms.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
asm-offsets.c ARC: add support for DSP-enabled userspace applications 2020-03-16 10:30:49 -07:00
ctx_sw.c ARC: [plat-eznps]: Drop support for EZChip NPS platform 2020-10-05 21:02:29 -07:00
ctx_sw_asm.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
devtree.c ARC: [plat-eznps]: Drop support for EZChip NPS platform 2020-10-05 21:02:29 -07:00
disasm.c ARC: Remove a redundant memset() 2022-04-18 12:22:09 -07:00
entry-arcv2.S ARC: mm: move MMU specific bits out of entry code ... 2021-08-24 14:25:48 -07:00
entry-compact.S ARC: entry: EV_Trap expects r10 (vs. r9) to have exception cause 2019-07-08 09:24:44 +01:00
entry.S ARC: entry: fix syscall_trace_exit argument 2022-04-18 12:14:20 -07:00
fpu.c ARC: fp: set FPU_STATUS.FWE to enable FPU_STATUS update on context switch 2021-08-03 18:58:33 -07:00
head.S ARC: [plat-hsdk] Remap CCMs super early in asm boot trampoline 2020-11-02 11:45:09 -08:00
intc-arcv2.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
intc-compact.c arch/arc/kernel/: fix misspellings using codespell tool 2021-08-24 14:25:46 -07:00
irq.c irq: arc: avoid CONFIG_HANDLE_DOMAIN_IRQ 2021-10-25 10:05:28 +01:00
jump_label.c ARC: ARCv2: jump label: implement jump label patching 2019-11-08 16:14:32 -08:00
kgdb.c ARC: kgdb: add 'fallthrough' to prevent a warning 2021-05-10 12:38:59 -07:00
kprobes.c kprobes: treewide: Make it harder to refer kretprobe_trampoline directly 2021-09-30 21:24:06 -04:00
Makefile arc: ptrace: hard-code "arc" instead of UTS_MACHINE 2020-04-12 22:27:09 -07:00
mcip.c arc: Bulk conversion to generic_handle_domain_irq() 2021-08-12 11:39:39 +01:00
module.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
perf_event.c arc: perf: Move static structs to where they're really used 2021-12-28 19:48:49 -08:00
process.c uaccess: fix type mismatch warnings from access_ok() 2022-02-25 09:36:05 +01:00
ptrace.c ptrace: Create ptrace_report_syscall_{entry,exit} in ptrace.h 2022-03-10 13:35:08 -06:00
reset.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
setup.c ARCv2: boot log: detect newer/upconing HS3x/HS4x releases 2020-06-16 12:56:37 -07:00
signal.c ARC: fix typos in comments 2022-04-18 12:20:23 -07:00
smp.c ARC: remove redundant READ_ONCE() in cmpxchg loop 2022-04-18 14:47:05 -07:00
stacktrace.c sched: Add wrapper for get_wchan() to keep task blocked 2021-10-15 11:25:14 +02:00
sys.c ARC: wireup clone3 syscall 2020-01-15 16:08:12 -08:00
traps.c trap: cleanup trap_init() 2021-09-08 11:50:27 -07:00
troubleshoot.c arch/arc/kernel/troubleshoot: use vma_lookup() instead of find_vma() 2021-06-29 10:53:51 -07:00
unaligned.c ARC: fix typos in comments 2022-04-18 12:20:23 -07:00
unwind.c arc: use swap() to make code cleaner 2021-12-28 19:49:44 -08:00
vmlinux.lds.S ARC: Fix CONFIG_STACKDEPOT 2021-08-03 18:58:33 -07:00