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locking/arch: Rename all internal __xchg() names to __arch_xchg()

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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>
This commit is contained in:
Andrzej Hajda
2023-01-18 16:44:44 +01:00
committed by Ingo Molnar
parent ee1ee6db07
commit 068550631f
20 changed files with 54 additions and 54 deletions
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4
arch/xtensa/include/asm/cmpxchg.h
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@@ -170,7 +170,7 @@ static inline unsigned long xchg_u32(volatile int * m, unsigned long val)
}
#define arch_xchg(ptr,x) \
((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
((__typeof__(*(ptr)))__arch_xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
static inline u32 xchg_small(volatile void *ptr, u32 x, int size)
{
@@ -203,7 +203,7 @@ static inline u32 xchg_small(volatile void *ptr, u32 x, int size)
extern void __xchg_called_with_bad_pointer(void);
static __inline__ unsigned long
__xchg(unsigned long x, volatile void * ptr, int size)
__arch_xchg(unsigned long x, volatile void * ptr, int size)
{
switch (size) {
case 1: