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From 83dad8de034370f216ca8123345d806ffb48c1fb Mon Sep 17 00:00:00 2001
From: Justus Winter <4winter@informatik.uni-hamburg.de>
Date: Mon, 7 Sep 2015 13:04:39 +0200
Subject: [PATCH gnumach 1/2] try fence
---
kern/mach_clock.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/kern/mach_clock.c b/kern/mach_clock.c
index 655adf4..aab7010 100644
--- a/kern/mach_clock.c
+++ b/kern/mach_clock.c
@@ -99,8 +99,10 @@ MACRO_BEGIN \
if (mtime != 0) { \
mtime->check_seconds = (time)->seconds; \
asm volatile("":::"memory"); \
+ __sync_synchronize(); \
mtime->microseconds = (time)->microseconds; \
asm volatile("":::"memory"); \
+ __sync_synchronize(); \
mtime->seconds = (time)->seconds; \
} \
MACRO_END
--
2.1.4
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