Since gfn is not changed in the for loop, we do not need to call
gfn_to_memslot_unaliased() under the loop, and it is safe to move
it out.
Signed-off-by: Wei Yongjun yj...@cn.fujitsu.com
---
arch/x86/kvm/mmu.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index d217f9c..0494f64 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -430,9 +430,9 @@ static void unaccount_shadowed(struct kvm *kvm, gfn_t gfn)
int i;
gfn = unalias_gfn(kvm, gfn);
+ slot = gfn_to_memslot_unaliased(kvm, gfn);
for (i = PT_DIRECTORY_LEVEL;
i PT_PAGE_TABLE_LEVEL + KVM_NR_PAGE_SIZES; ++i) {
- slot = gfn_to_memslot_unaliased(kvm, gfn);
write_count = slot_largepage_idx(gfn, slot, i);
*write_count -= 1;
WARN_ON(*write_count 0);
--
1.7.0
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