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[host] add store fence to shm writes as we are using writecombine

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Geoffrey McRae 2017-12-28 15:41:37 +11:00
parent e09d7f0ad0
commit 59fa025292
1 changed files with 1 additions and 0 deletions
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host/Service.cpp
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@ -292,6 +292,7 @@ bool Service::Process()
// update the flags // update the flags
INTERLOCKED_AND8((volatile char *)flags, KVMFR_HEADER_FLAG_RESTART); INTERLOCKED_AND8((volatile char *)flags, KVMFR_HEADER_FLAG_RESTART);
INTERLOCKED_OR8 ((volatile char *)flags, updateFlags); INTERLOCKED_OR8 ((volatile char *)flags, updateFlags);
_mm_sfence();
return true; return true;
} }