mirror-linux/arch/xtensa/include/asm
Paul E. McKenney e799bef0d9 xtensa: Emulate one-byte cmpxchg
Use the new cmpxchg_emu_u8() to emulate one-byte cmpxchg() on xtensa.

[ paulmck: Apply kernel test robot feedback. ]
[ paulmck: Drop two-byte support per Arnd Bergmann feedback. ]
[ Apply Geert Uytterhoeven feedback. ]

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Tested-by: Yujie Liu <yujie.liu@intel.com>
Cc: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org>
2024-09-13 07:10:38 -07:00
..
Kbuild
asm-offsets.h
asm-prototypes.h xtensa: add asm-prototypes.h 2023-06-12 19:48:57 -07:00
asm-uaccess.h
asmmacro.h xtensa: replace <asm-generic/export.h> with <linux/export.h> 2023-11-29 01:54:45 -08:00
atomic.h locking/atomic: xtensa: add preprocessor symbols 2023-06-05 09:57:18 +02:00
barrier.h xtensa: enable KCSAN 2022-05-01 19:51:22 -07:00
bitops.h xtensa: enable KCSAN 2022-05-01 19:51:22 -07:00
bootparam.h
cache.h
cacheasm.h
cacheflush.h xtensa: remove redundant flush_dcache_page and ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE macros 2024-04-28 21:18:18 -07:00
cachetype.h Introduce cpu_dcache_is_aliasing() across all architectures 2024-02-22 15:27:19 -08:00
checksum.h
cmpxchg.h xtensa: Emulate one-byte cmpxchg 2024-09-13 07:10:38 -07:00
coprocessor.h xtensa: support coprocessors on SMP 2022-05-01 19:51:23 -07:00
core.h xtensa: add default definition for XCHAL_HAVE_DIV32 2023-09-20 04:56:41 -07:00
current.h arch/xtensa: always_inline get_current() and current_thread_info() 2024-07-09 15:41:10 -07:00
delay.h
dma.h PCI: Move isa_dma_bridge_buggy out of asm/dma.h 2022-07-22 17:24:47 -05:00
elf.h xtensa: add FDPIC and static PIE support for noMMU 2022-09-13 18:28:00 -07:00
fixmap.h
flat.h
ftrace.h xtensa: drop ARCH_WANT_FRAME_POINTERS 2023-06-12 19:48:57 -07:00
futex.h
highmem.h
hw_breakpoint.h xtensa: hw_breakpoint: include header for missing prototype 2023-09-20 05:03:21 -07:00
initialize_mmu.h docs: move xtensa documentation under Documentation/arch/ 2023-03-30 13:00:22 -06:00
io.h xtensa: mm: convert to GENERIC_IOREMAP 2023-08-18 10:12:35 -07:00
irq.h
irqflags.h
jump_label.h work around gcc bugs with 'asm goto' with outputs 2024-02-09 15:57:48 -08:00
kasan.h xtensa, kasan: define KASAN_SHADOW_END 2023-12-29 11:58:43 -08:00
kmem_layout.h
linkage.h
mmu.h
mmu_context.h
mtd-xip.h xtensa: add XIP-aware MTD support 2023-08-28 18:25:23 -07:00
mxregs.h
nommu_context.h
page.h arch: define CONFIG_PAGE_SIZE_*KB on all architectures 2024-03-06 19:29:09 +01:00
pci-bridge.h
pci.h PCI: Remove pci_get_legacy_ide_irq() and asm-generic/pci.h 2022-07-22 17:23:45 -05:00
perf_event.h
pgalloc.h xtensa: drop definition of PGD_ORDER 2022-07-17 17:14:44 -07:00
pgtable.h mm: implement update_mmu_tlb() using update_mmu_tlb_range() 2024-07-03 19:29:57 -07:00
platform.h xtensa: drop platform_halt and platform_power_off 2023-06-12 19:48:56 -07:00
processor.h xtensa: fix MAKE_PC_FROM_RA second argument 2024-04-02 19:42:35 -07:00
ptrace.h xtensa: fix MAKE_PC_FROM_RA second argument 2024-04-02 19:42:35 -07:00
regs.h
seccomp.h
sections.h xtensa: add XIP-aware MTD support 2023-08-28 18:25:23 -07:00
serial.h
shmparam.h
signal.h
smp.h xtensa: smp: add headers for missing function prototypes 2023-09-20 05:03:20 -07:00
spinlock.h
spinlock_types.h
stackprotector.h stackprotector: actually use get_random_canary() 2022-11-18 02:18:10 +01:00
stacktrace.h
string.h xtensa: drop bcopy implementation 2023-06-12 19:48:57 -07:00
switch_to.h
syscall.h
sysmem.h
thread_info.h arch/xtensa: always_inline get_current() and current_thread_info() 2024-07-09 15:41:10 -07:00
timex.h xtensa: use fallback for random_get_entropy() instead of zero 2022-05-13 23:59:23 +02:00
tlb.h xtensa: tlb: include <asm/tlb.h> for missing prototype 2023-09-20 05:03:21 -07:00
tlbflush.h
traps.h xtensa: add load/store exception handler 2023-06-13 21:56:27 -07:00
uaccess.h
ucontext.h
unistd.h clone3: drop __ARCH_WANT_SYS_CLONE3 macro 2024-07-10 14:23:38 +02:00
vectors.h
vermagic.h
vmalloc.h