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authorBryan Steele <brynet@cvs.openbsd.org>2018-08-01 20:33:54 +0000
committerBryan Steele <brynet@cvs.openbsd.org>2018-08-01 20:33:54 +0000
commit13726815a260c700738aeea745d0cf26ed403fbd (patch)
tree818f4b689c6dda8ef42d9a2d08043907eb27ed97 /regress/sys
parentab9a382e21d9095fa24af03ff9b1d93e3bced74a (diff)
On AMD CPUs, If the LFENCE serialization MSR bit is already set, then
we don't need to uncondtionally set it. Worksaround a suspected bug in newer Linux KVM, which may trigger a #GP fault on writes to this MSR. ok mlarkin@
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