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authorAnthoine Bourgeois2013-11-13 11:45:37 +0100
committerPaolo Bonzini2013-11-13 18:46:54 +0100
commite504c9098ed6acd9e1079c5e10e4910724ad429f (patch)
tree57f2107cf25e8fb660042616fdd9022a52359855 /kernel/hung_task.c
parentMerge tag 'kvm-arm64/for-3.13-1' of git://git.kernel.org/pub/scm/linux/kernel... (diff)
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kvm, vmx: Fix lazy FPU on nested guest
If a nested guest does a NM fault but its CR0 doesn't contain the TS flag (because it was already cleared by the guest with L1 aid) then we have to activate FPU ourselves in L0 and then continue to L2. If TS flag is set then we fallback on the previous behavior, forward the fault to L1 if it asked for. Signed-off-by: Anthoine Bourgeois <bourgeois@bertin.fr> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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