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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
Download patch file Download diff file Expand all files Collapse all files

2
arch/ia64/include/asm/cmpxchg.h
View file

@ -5,7 +5,7 @@
#include <uapi/asm/cmpxchg.h>
#define arch_xchg(ptr, x) \
({(__typeof__(*(ptr))) __xchg((unsigned long) (x), (ptr), sizeof(*(ptr)));})
({(__typeof__(*(ptr))) __arch_xchg((unsigned long) (x), (ptr), sizeof(*(ptr)));})
#define arch_cmpxchg(ptr, o, n) cmpxchg_acq((ptr), (o), (n))
#define arch_cmpxchg64(ptr, o, n) cmpxchg_acq((ptr), (o), (n))

4
arch/ia64/include/uapi/asm/cmpxchg.h
View file

@ -23,7 +23,7 @@
*/
extern void ia64_xchg_called_with_bad_pointer(void);
#define __xchg(x, ptr, size) \
#define __arch_xchg(x, ptr, size) \
({ \
unsigned long __xchg_result; \
\
@ -51,7 +51,7 @@ extern void ia64_xchg_called_with_bad_pointer(void);
#ifndef __KERNEL__
#define xchg(ptr, x) \
({(__typeof__(*(ptr))) __xchg((unsigned long) (x), (ptr), sizeof(*(ptr)));})
({(__typeof__(*(ptr))) __arch_xchg((unsigned long) (x), (ptr), sizeof(*(ptr)));})
#endif
/*