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* [PATCH 3/3] KVM MMU: Take sp level into account when calculating quadran
@ 2010-04-22  9:34 Gui Jianfeng
  2010-04-23  8:10 ` Gui Jianfeng
  0 siblings, 1 reply; 2+ messages in thread
From: Gui Jianfeng @ 2010-04-22  9:34 UTC (permalink / raw)
  To: Avi Kivity; +Cc: kvm

Take sp level into account when calculating quadrant, because only when
level == PT_PAGE_TABLE_LEVEL, quadrant is needed.

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
---
 arch/x86/kvm/mmu.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 640b82d..2a35a65 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1324,7 +1324,8 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu,
 	if (role.direct)
 		role.cr4_pae = 0;
 	role.access = access;
-	if (vcpu->arch.mmu.root_level <= PT32_ROOT_LEVEL) {
+	if (vcpu->arch.mmu.root_level <= PT32_ROOT_LEVEL &&
+	    level == PT_PAGE_TABLE_LEVEL) {
 		quadrant = gaddr >> (PAGE_SHIFT + (PT64_PT_BITS * level));
 		quadrant &= (1 << ((PT32_PT_BITS - PT64_PT_BITS) * level)) - 1;
 		role.quadrant = quadrant;
-- 
1.6.5.2



^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH 3/3] KVM MMU: Take sp level into account when calculating quadran
  2010-04-22  9:34 [PATCH 3/3] KVM MMU: Take sp level into account when calculating quadran Gui Jianfeng
@ 2010-04-23  8:10 ` Gui Jianfeng
  0 siblings, 0 replies; 2+ messages in thread
From: Gui Jianfeng @ 2010-04-23  8:10 UTC (permalink / raw)
  To: Avi Kivity; +Cc: kvm, Xiao Guangrong

Gui Jianfeng wrote:
> Take sp level into account when calculating quadrant, because only when
> level == PT_PAGE_TABLE_LEVEL, quadrant is needed.

Please ignore this patch, Sorry for the noise.

Gui

> 
> Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
> ---
>  arch/x86/kvm/mmu.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
> index 640b82d..2a35a65 100644
> --- a/arch/x86/kvm/mmu.c
> +++ b/arch/x86/kvm/mmu.c
> @@ -1324,7 +1324,8 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu,
>  	if (role.direct)
>  		role.cr4_pae = 0;
>  	role.access = access;
> -	if (vcpu->arch.mmu.root_level <= PT32_ROOT_LEVEL) {
> +	if (vcpu->arch.mmu.root_level <= PT32_ROOT_LEVEL &&
> +	    level == PT_PAGE_TABLE_LEVEL) {
>  		quadrant = gaddr >> (PAGE_SHIFT + (PT64_PT_BITS * level));
>  		quadrant &= (1 << ((PT32_PT_BITS - PT64_PT_BITS) * level)) - 1;
>  		role.quadrant = quadrant;


^ permalink raw reply	[flat|nested] 2+ messages in thread

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