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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
| commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
| tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /arch/alpha/include/asm/barrier.h | |
| parent | Initial commit. (diff) | |
| download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip | |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/alpha/include/asm/barrier.h')
| -rw-r--r-- | arch/alpha/include/asm/barrier.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/barrier.h b/arch/alpha/include/asm/barrier.h new file mode 100644 index 0000000000..c56bfffc99 --- /dev/null +++ b/arch/alpha/include/asm/barrier.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __BARRIER_H +#define __BARRIER_H + +#define mb() __asm__ __volatile__("mb": : :"memory") +#define rmb() __asm__ __volatile__("mb": : :"memory") +#define wmb() __asm__ __volatile__("wmb": : :"memory") + +#define __smp_load_acquire(p) \ +({ \ + compiletime_assert_atomic_type(*p); \ + __READ_ONCE(*p); \ +}) + +#ifdef CONFIG_SMP +#define __ASM_SMP_MB "\tmb\n" +#else +#define __ASM_SMP_MB +#endif + +#include <asm-generic/barrier.h> + +#endif /* __BARRIER_H */ |