KVM: X86: Don't check unsync if the original spte is writible

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If the original spte is writable, the target gfn should not be the
gfn of synchronized shadowpage and can continue to be writable.

When !can_unsync, speculative must be false.  So when the check of
"!can_unsync" is removed, we need to move the label of "out" up.

Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210918005636.3675-11-jiangshanlai@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Lai Jiangshan 2021-09-18 08:56:36 +08:00 • committed by Paolo Bonzini

parent f1c4a88c41

commit 8b8f9d753b

1 changed files with 2 additions and 2 deletions

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arch/x86/kvm/mmu/spte.c

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