diff options
| author | Andrzej Hajda <andrzej.hajda@intel.com> | 2023-01-18 16:44:44 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2023-04-29 09:08:44 +0200 |
| commit | 068550631fbe0b7fb41625cea6fb204fdc8cb224 (patch) | |
| tree | b47cab011c4d08c9e7ec323e0bac7f874e13b4c1 /arch/hexagon | |
| parent | ee1ee6db07795d9637bc5e8993a8ddcf886541ef (diff) | |
locking/arch: Rename all internal __xchg() names to __arch_xchg()
Decrease the probability of this internal facility to be used by
driver code.
Signed-off-by: Andrzej Hajda <andrzej.hajda@intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> [m68k]
Acked-by: Palmer Dabbelt <palmer@rivosinc.com> [riscv]
Link: https://lore.kernel.org/r/20230118154450.73842-1-andrzej.hajda@intel.com
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/hexagon')
| -rw-r--r-- | arch/hexagon/include/asm/cmpxchg.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/hexagon/include/asm/cmpxchg.h b/arch/hexagon/include/asm/cmpxchg.h index cdb705e1496a..bf6cf5579cf4 100644 --- a/arch/hexagon/include/asm/cmpxchg.h +++ b/arch/hexagon/include/asm/cmpxchg.h @@ -9,7 +9,7 @@ #define _ASM_CMPXCHG_H /* - * __xchg - atomically exchange a register and a memory location + * __arch_xchg - atomically exchange a register and a memory location * @x: value to swap * @ptr: pointer to memory * @size: size of the value @@ -19,8 +19,8 @@ * Note: there was an errata for V2 about .new's and memw_locked. * */ -static inline unsigned long __xchg(unsigned long x, volatile void *ptr, - int size) +static inline unsigned long +__arch_xchg(unsigned long x, volatile void *ptr, int size) { unsigned long retval; @@ -42,8 +42,8 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, * Atomically swap the contents of a register with memory. Should be atomic * between multiple CPU's and within interrupts on the same CPU. */ -#define arch_xchg(ptr, v) ((__typeof__(*(ptr)))__xchg((unsigned long)(v), (ptr), \ - sizeof(*(ptr)))) +#define arch_xchg(ptr, v) ((__typeof__(*(ptr)))__arch_xchg((unsigned long)(v), (ptr), \ + sizeof(*(ptr)))) /* * see rt-mutex-design.txt; cmpxchg supposedly checks if *ptr == A and swaps. |