X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Farch%2Fx86%2Finclude%2Fasm%2Fpvclock.h;fp=kernel%2Farch%2Fx86%2Finclude%2Fasm%2Fpvclock.h;h=baad72e4c1000d0387ca076c57a9645bcbbf189d;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hp=7a6bed5c08bc3cc266dcc7c24e71863f684d2630;hpb=c189ccac5702322ed843fe17057035b7222a59b6;p=kvmfornfv.git

diff --git a/kernel/arch/x86/include/asm/pvclock.h b/kernel/arch/x86/include/asm/pvclock.h
index 7a6bed5c0..baad72e4c 100644
--- a/kernel/arch/x86/include/asm/pvclock.h
+++ b/kernel/arch/x86/include/asm/pvclock.h
@@ -76,6 +76,8 @@ unsigned __pvclock_read_cycles(const struct pvclock_vcpu_time_info *src,
 	u8 ret_flags;
 
 	version = src->version;
+	/* Make the latest version visible */
+	smp_rmb();
 
 	offset = pvclock_get_nsec_offset(src);
 	ret = src->system_time + offset;