KVM: vmx: obey KVM_QUIRK_CD_NW_CLEARED

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OVMF depends on WB to boot fast, because it only clears caches after
it has set up MTRRs---which is too late.

Let's do writeback if CR0.CD is set to make it happy, similar to what
SVM is already doing.

Signed-off-by: Xiao Guangrong <guangrong.xiao@intel.com>
Tested-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Xiao Guangrong 2015-07-16 03:25:56 +08:00 • committed by Paolo Bonzini

parent 41dbc6bcd9

commit fb279950ba

1 changed files with 4 additions and 1 deletions

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arch/x86/kvm/vmx.c

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