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authorIngo Molnar <mingo@elte.hu>2010-01-29 03:24:57 -0500
committerIngo Molnar <mingo@elte.hu>2010-01-29 04:36:22 -0500
commitae7f6711d6231c9ba54feb5ba9856c3775e482f8 (patch)
tree89070c82204b2503348e4fd6c51d25a169375545 /arch/x86/kvm/mmu.c
parent64abebf731df87e6f4ae7d9ffc340bdf0c033e44 (diff)
parentb23ff0e9330e4b11e18af984d50573598e10e7f9 (diff)
Merge branch 'perf/urgent' into perf/core
Merge reason: We want to queue up a dependent patch. Also update to later -rc's. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kvm/mmu.c')
-rw-r--r--arch/x86/kvm/mmu.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 4c3e5b2314cb..89a49fb46a27 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -477,7 +477,7 @@ static int host_mapping_level(struct kvm *kvm, gfn_t gfn)
477 477
478 addr = gfn_to_hva(kvm, gfn); 478 addr = gfn_to_hva(kvm, gfn);
479 if (kvm_is_error_hva(addr)) 479 if (kvm_is_error_hva(addr))
480 return page_size; 480 return PT_PAGE_TABLE_LEVEL;
481 481
482 down_read(&current->mm->mmap_sem); 482 down_read(&current->mm->mmap_sem);
483 vma = find_vma(current->mm, addr); 483 vma = find_vma(current->mm, addr);
@@ -515,11 +515,9 @@ static int mapping_level(struct kvm_vcpu *vcpu, gfn_t large_gfn)
515 if (host_level == PT_PAGE_TABLE_LEVEL) 515 if (host_level == PT_PAGE_TABLE_LEVEL)
516 return host_level; 516 return host_level;
517 517
518 for (level = PT_DIRECTORY_LEVEL; level <= host_level; ++level) { 518 for (level = PT_DIRECTORY_LEVEL; level <= host_level; ++level)
519
520 if (has_wrprotected_page(vcpu->kvm, large_gfn, level)) 519 if (has_wrprotected_page(vcpu->kvm, large_gfn, level))
521 break; 520 break;
522 }
523 521
524 return level - 1; 522 return level - 1;
525} 523}