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linux/arch/arc/include/asm
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Paul E. McKenney f2519d4d4f ARC: Emulate one-byte cmpxchg 
Use the new cmpxchg_emu_u8() to emulate one-byte cmpxchg() on arc.

[ paulmck: Drop two-byte support per Arnd Bergmann feedback. ]
[ paulmck: Apply feedback from Naresh Kamboju. ]
[ paulmck: Apply kernel test robot feedback. ]
[ paulmck: Apply feedback from Vineet Gupta. ]

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Palmer Dabbelt <palmer@rivosinc.com>
Cc: <linux-snps-arc@lists.infradead.org>
Acked-by: Vineet Gupta <vgupta@kernel.org>
2024-09-13 07:10:37 -07:00
..
arcregs.h ARC: boot log: eliminate struct cpuinfo_arc #4: boot log per ISA 2023-08-17 20:31:59 -07:00
asm-offsets.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
asserts.h ARC: allow userspace DSP applications to use AGU extensions 2020-03-16 10:30:49 -07:00
atomic64-arcv2.h ARC: atomics: Add compiler barrier to atomic operations... 2023-08-15 17:27:26 -07:00
atomic-llsc.h ARC: atomics: Add compiler barrier to atomic operations... 2023-08-15 17:27:26 -07:00
atomic-spinlock.h locking/atomic: arc: add preprocessor symbols 2023-06-05 09:57:14 +02:00
atomic.h locking/atomic: make atomic*_{cmp,}xchg optional 2023-06-05 09:57:14 +02:00
barrier.h ARC: [plat-eznps]: Drop support for EZChip NPS platform 2020-10-05 21:02:29 -07:00
bitops.h ARC: bitops: Change __fls to return unsigned long 2022-10-17 16:32:12 -07:00
bug.h arc: add show_stack_loglvl() 2020-06-09 09:39:10 -07:00
cache.h ARC: mm: move mmu/cache externs out to setup.h 2021-08-24 14:25:48 -07:00
cacheflush.h percpu: 2024-01-18 15:01:28 -08:00
checksum.h arc: Prefer unsigned int to bare use of unsigned 2021-08-03 18:58:33 -07:00
cmpxchg.h ARC: Emulate one-byte cmpxchg 2024-09-13 07:10:37 -07:00
current.h ARC: entry: use gp to cache task pointer (vs. r25) 2023-08-17 20:31:59 -07:00
delay.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
disasm.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
dma.h PCI: Move isa_dma_bridge_buggy out of asm/dma.h 2022-07-22 17:24:47 -05:00
dsp-impl.h ARC: guard dsp early init against non ARCv2 2020-04-29 11:53:51 -07:00
dsp.h ARC: Fix typos 2024-04-01 18:40:39 -07:00
dwarf.h ARC: __switch_to: asm with dwarf ops (vs. inline asm) 2023-08-17 20:31:59 -07:00
elf.h ARC: elf: use right ELF_ARCH 2020-06-16 12:56:37 -07:00
entry-arcv2.h ARC: entry: SAVE_ABI_CALLEE_REG: ISA/ABI specific helper 2023-12-08 16:30:24 -08:00
entry-compact.h ARC: Fix typos 2024-04-01 18:40:39 -07:00
entry.h ARC: Fix typos 2024-04-01 18:40:39 -07:00
exec.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
fpu.h ARC: fpu: fix randconfig build error reported by 0-day test service 2020-02-09 22:17:22 -08:00
futex.h futex: arch_futex_atomic_op_inuser() calling conventions change 2020-03-27 23:58:51 -04:00
highmem.h arc/mm/highmem: Use generic kmap atomic implementation 2020-11-06 23:14:55 +01:00
hugepage.h ARC: add hugetlb definitions 2023-12-13 19:33:10 -08:00
io.h arc: mm: convert to GENERIC_IOREMAP 2023-08-18 10:12:33 -07:00
irq.h ARC: Fix typos 2024-04-01 18:40:39 -07:00
irqflags-arcv2.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
irqflags-compact.h ARC: Fix typos 2024-04-01 18:40:39 -07:00
irqflags.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
jump_label.h work around gcc bugs with 'asm goto' with outputs 2024-02-09 15:57:48 -08:00
Kbuild arc: convert to generic syscall table 2024-07-10 14:23:38 +02:00
kdebug.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
kgdb.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
kprobes.h kprobes: unify kprobes_exceptions_nofify() prototypes 2023-11-10 19:59:05 +09:00
linkage.h ARC: define ASM_NL and __ALIGN(_STR) outside #ifdef __ASSEMBLY__ guard 2023-06-15 04:47:05 +09:00
mach_desc.h treewide: Convert macro and uses of __section(foo) to __section("foo") 2020-10-25 14:51:49 -07:00
mmu_context.h ARC: Fix typos 2024-04-01 18:40:39 -07:00
mmu-arcv2.h fix missing vmalloc.h includes 2024-04-25 20:55:49 -07:00
mmu.h ARC: -Wmissing-prototype warning fixes 2023-08-13 16:53:02 -07:00
module.h arch: split MODULE_ARCH_VERMAGIC definitions out to <asm/vermagic.h> 2020-04-23 10:50:26 +09:00
page.h ARC: mm: Make virt_to_pfn() a static inline 2023-12-05 13:11:37 +01:00
pci.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
perf_event.h ARC: bpf: define uapi for BPF_PROG_TYPE_PERF_EVENT program type 2022-04-26 09:35:28 -07:00
pgalloc.h ARC: mm: support 4 levels of page tables 2021-08-26 13:43:19 -07:00
pgtable-bits-arcv2.h ARC: Fix typos 2024-04-01 18:40:39 -07:00
pgtable-levels.h ARC: mm: Make virt_to_pfn() a static inline 2023-12-05 13:11:37 +01:00
pgtable.h ARC: fix potential build snafu 2021-10-15 18:06:32 -07:00
processor.h ARC: __switch_to: move ksp to thread_info from thread_struct 2023-08-17 20:31:59 -07:00
ptrace.h ARC: Fix -Wmissing-prototypes warnings 2024-04-01 18:40:39 -07:00
sections.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
serial.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
setup.h ARC: boot log: eliminate struct cpuinfo_arc #4: boot log per ISA 2023-08-17 20:31:59 -07:00
shmparam.h ARC: Fix typos 2024-04-01 18:40:39 -07:00
smp.h ARC: Fix typos 2024-04-01 18:40:39 -07:00
spinlock_types.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
spinlock.h ARC: [plat-eznps]: Drop support for EZChip NPS platform 2020-10-05 21:02:29 -07:00
stacktrace.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
string.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
switch_to.h ARC: [plat-eznps]: Drop support for EZChip NPS platform 2020-10-05 21:02:29 -07:00
syscall.h ARC: implement syscall tracepoints 2022-04-25 13:09:47 -07:00
syscalls.h ARC: wireup clone3 syscall 2020-01-15 16:08:12 -08:00
thread_info.h ARC: Fix typos 2024-04-01 18:40:39 -07:00
timex.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
tlb.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
tlbflush.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
uaccess.h ARC: uaccess: elide unaliged handling if hardware supports 2023-08-17 12:40:26 -07:00
unaligned.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
unistd.h arc: convert to generic syscall table 2024-07-10 14:23:38 +02:00
unwind.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
vermagic.h arch: split MODULE_ARCH_VERMAGIC definitions out to <asm/vermagic.h> 2020-04-23 10:50:26 +09:00
vmalloc.h mm/vmalloc: Add empty <asm/vmalloc.h> headers and use them from <linux/vmalloc.h> 2019-12-10 10:12:55 +01:00