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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

10
arch/alpha/include/asm/cmpxchg.h
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@@ -6,15 +6,15 @@
* Atomic exchange routines.
*/
#define ____xchg(type, args...) __xchg ## type ## _local(args)
#define ____xchg(type, args...) __arch_xchg ## type ## _local(args)
#define ____cmpxchg(type, args...) __cmpxchg ## type ## _local(args)
#include <asm/xchg.h>
#define xchg_local(ptr, x) \
({ \
__typeof__(*(ptr)) _x_ = (x); \
(__typeof__(*(ptr))) __xchg_local((ptr), (unsigned long)_x_, \
sizeof(*(ptr))); \
(__typeof__(*(ptr))) __arch_xchg_local((ptr), (unsigned long)_x_,\
sizeof(*(ptr))); \
})
#define arch_cmpxchg_local(ptr, o, n) \
@@ -34,7 +34,7 @@
#undef ____xchg
#undef ____cmpxchg
#define ____xchg(type, args...) __xchg ##type(args)
#define ____xchg(type, args...) __arch_xchg ##type(args)
#define ____cmpxchg(type, args...) __cmpxchg ##type(args)
#include <asm/xchg.h>
@@ -48,7 +48,7 @@
__typeof__(*(ptr)) _x_ = (x); \
smp_mb(); \
__ret = (__typeof__(*(ptr))) \
__xchg((ptr), (unsigned long)_x_, sizeof(*(ptr))); \
__arch_xchg((ptr), (unsigned long)_x_, sizeof(*(ptr))); \
smp_mb(); \
__ret; \
})