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| author | David S. Miller | 2018-08-09 20:52:36 +0200 |
|---|---|---|
| committer | David S. Miller | 2018-08-09 20:52:36 +0200 |
| commit | a736e074680745faa5dc6be8dd3c58ad4850aab9 (patch) | |
| tree | 620e6d20cfce3806399fbefa8d911cc848463f9b /arch/parisc/include/asm/barrier.h | |
| parent | Merge branch 'Add-support-for-XGMAC2-in-stmmac' (diff) | |
| parent | Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert... (diff) | |
| download | kernel-qcow2-linux-a736e074680745faa5dc6be8dd3c58ad4850aab9.tar.gz kernel-qcow2-linux-a736e074680745faa5dc6be8dd3c58ad4850aab9.tar.xz kernel-qcow2-linux-a736e074680745faa5dc6be8dd3c58ad4850aab9.zip | |
Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net
Overlapping changes in RXRPC, changing to ktime_get_seconds() whilst
adding some tracepoints.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/parisc/include/asm/barrier.h')
| -rw-r--r-- | arch/parisc/include/asm/barrier.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/barrier.h b/arch/parisc/include/asm/barrier.h new file mode 100644 index 000000000000..dbaaca84f27f --- /dev/null +++ b/arch/parisc/include/asm/barrier.h @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_BARRIER_H +#define __ASM_BARRIER_H + +#ifndef __ASSEMBLY__ + +/* The synchronize caches instruction executes as a nop on systems in + which all memory references are performed in order. */ +#define synchronize_caches() __asm__ __volatile__ ("sync" : : : "memory") + +#if defined(CONFIG_SMP) +#define mb() do { synchronize_caches(); } while (0) +#define rmb() mb() +#define wmb() mb() +#define dma_rmb() mb() +#define dma_wmb() mb() +#else +#define mb() barrier() +#define rmb() barrier() +#define wmb() barrier() +#define dma_rmb() barrier() +#define dma_wmb() barrier() +#endif + +#define __smp_mb() mb() +#define __smp_rmb() mb() +#define __smp_wmb() mb() + +#include <asm-generic/barrier.h> + +#endif /* !__ASSEMBLY__ */ +#endif /* __ASM_BARRIER_H */ |