diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:17:46 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:17:46 +0000 |
| commit | 7f3a4257159dea8e7ef66d1a539dc6df708b8ed3 (patch) | |
| tree | bcc69b5f4609f348fac49e2f59e210b29eaea783 /arch/csky/include | |
| parent | Adding upstream version 6.9.12. (diff) | |
| download | linux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.tar.xz linux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.zip | |
Adding upstream version 6.10.3.upstream/6.10.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/csky/include')
| -rw-r--r-- | arch/csky/include/asm/cmpxchg.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/csky/include/asm/cmpxchg.h b/arch/csky/include/asm/cmpxchg.h index 916043b845..db6dda4718 100644 --- a/arch/csky/include/asm/cmpxchg.h +++ b/arch/csky/include/asm/cmpxchg.h @@ -6,6 +6,7 @@ #ifdef CONFIG_SMP #include <linux/bug.h> #include <asm/barrier.h> +#include <linux/cmpxchg-emu.h> #define __xchg_relaxed(new, ptr, size) \ ({ \ @@ -61,6 +62,9 @@ __typeof__(old) __old = (old); \ __typeof__(*(ptr)) __ret; \ switch (size) { \ + case 1: \ + __ret = (__typeof__(*(ptr)))cmpxchg_emu_u8((volatile u8 *)__ptr, (uintptr_t)__old, (uintptr_t)__new); \ + break; \ case 4: \ asm volatile ( \ "1: ldex.w %0, (%3) \n" \ @@ -91,6 +95,9 @@ __typeof__(old) __old = (old); \ __typeof__(*(ptr)) __ret; \ switch (size) { \ + case 1: \ + __ret = (__typeof__(*(ptr)))cmpxchg_emu_u8((volatile u8 *)__ptr, (uintptr_t)__old, (uintptr_t)__new); \ + break; \ case 4: \ asm volatile ( \ "1: ldex.w %0, (%3) \n" \ @@ -122,6 +129,9 @@ __typeof__(old) __old = (old); \ __typeof__(*(ptr)) __ret; \ switch (size) { \ + case 1: \ + __ret = (__typeof__(*(ptr)))cmpxchg_emu_u8((volatile u8 *)__ptr, (uintptr_t)__old, (uintptr_t)__new); \ + break; \ case 4: \ asm volatile ( \ RELEASE_FENCE \ |