Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5882842f9b86179e1fe2e17e35e0e46a268d04e4
Commit: 5882842f9b86179e1fe2e17e35e0e46a268d04e4
Parent: eb787d10af8045dd00d4d4c9a8e90fa495f1b0c1
Author: Dong, Eddie <[EMAIL PROTECTED]>
AuthorDate: Wed Jan 2 14:29:08 2008 +0800
Committer: Avi Kivity <[EMAIL PROTECTED]>
CommitDate: Wed Jan 30 18:01:21 2008 +0200
KVM: MMU: Merge shadow level check in FNAME(fetch)
Remove the redundant level check when fetching
shadow pte for present & non-present spte.
Signed-off-by: Yaozu (Eddie) Dong <[EMAIL PROTECTED]>
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
---
arch/x86/kvm/paging_tmpl.h | 7 ++-----
1 files changed, 2 insertions(+), 5 deletions(-)
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 3499205..03ba860 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -300,16 +300,13 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t
addr,
bool new_page = 0;
shadow_ent = ((u64 *)__va(shadow_addr)) + index;
+ if (level == PT_PAGE_TABLE_LEVEL)
+ break;
if (is_shadow_present_pte(*shadow_ent)) {
- if (level == PT_PAGE_TABLE_LEVEL)
- break;
shadow_addr = *shadow_ent & PT64_BASE_ADDR_MASK;
continue;
}
- if (level == PT_PAGE_TABLE_LEVEL)
- break;
-
if (level - 1 == PT_PAGE_TABLE_LEVEL
&& walker->level == PT_DIRECTORY_LEVEL) {
metaphysical = 1;
-
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