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068550631f
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>
17 lines
484 B
C
17 lines
484 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_IA64_CMPXCHG_H
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#define _ASM_IA64_CMPXCHG_H
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#include <uapi/asm/cmpxchg.h>
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#define arch_xchg(ptr, x) \
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({(__typeof__(*(ptr))) __arch_xchg((unsigned long) (x), (ptr), sizeof(*(ptr)));})
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#define arch_cmpxchg(ptr, o, n) cmpxchg_acq((ptr), (o), (n))
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#define arch_cmpxchg64(ptr, o, n) cmpxchg_acq((ptr), (o), (n))
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#define arch_cmpxchg_local arch_cmpxchg
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#define arch_cmpxchg64_local arch_cmpxchg64
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#endif /* _ASM_IA64_CMPXCHG_H */
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