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authorKevin Wang <kevin.wang@arm.com>2017-12-08 13:43:27 +0800
committerDamjan Marion <dmarion.lists@gmail.com>2017-12-15 10:04:40 +0000
commit6390df300e6795e557f824e55b138837dabcf74b (patch)
treecfcd7e45ad540b866c5d7daadea2e638c3ab1f84 /src/vppinfra/smp.h
parent119dd3af4b067cbbe27f20f0508bd959291f0472 (diff)
implement clib_smp_pause() for arm and aarch64 platform
Change-Id: Ic9c1c70e06b953538ed43fc91ed26b6be82ce812 Signed-off-by: Kevin Wang <kevin.wang@arm.com>
Diffstat (limited to 'src/vppinfra/smp.h')
-rw-r--r--src/vppinfra/smp.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/vppinfra/smp.h b/src/vppinfra/smp.h
index 7e703b3d6aa..e4ab66ad5c3 100644
--- a/src/vppinfra/smp.h
+++ b/src/vppinfra/smp.h
@@ -47,6 +47,8 @@
#if defined (i386) || defined (__x86_64__)
#define clib_smp_pause() do { asm volatile ("pause"); } while (0)
+#elif defined (__aarch64__) || defined (__arm__)
+#define clib_smp_pause() do { asm volatile ("isb" ::: "memory"); } while (0)
#endif
#ifndef clib_smp_pause