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authorDavid S. Miller <davem@davemloft.net>2018-08-09 11:52:36 -0700
committerDavid S. Miller <davem@davemloft.net>2018-08-09 11:52:36 -0700
commita736e074680745faa5dc6be8dd3c58ad4850aab9 (patch)
tree620e6d20cfce3806399fbefa8d911cc848463f9b /arch/parisc/include
parent192e91d244e376b32d90ffbf78c87a0fb35a4040 (diff)
parent112cbae26d18e75098d95cc234cfa5059de8d479 (diff)
downloadblackbird-obmc-linux-a736e074680745faa5dc6be8dd3c58ad4850aab9.tar.gz
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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')
-rw-r--r--arch/parisc/include/asm/barrier.h32
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 */
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