* [PATCH] kvm mmu: Don't calculate quadrant if tdp_enabled.
@ 2010-05-31 9:11 Gui Jianfeng
2010-06-01 19:38 ` Marcelo Tosatti
0 siblings, 1 reply; 2+ messages in thread
From: Gui Jianfeng @ 2010-05-31 9:11 UTC (permalink / raw)
To: Avi Kivity; +Cc: kvm
There's no need to calculate quadrant if tdp is enabled.
Signed-off-by: Gui Jianfeng <guijianfeng@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 0bb9f17..431863b 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1346,7 +1346,7 @@ 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 (!tdp_enabled && vcpu->arch.mmu.root_level <= PT32_ROOT_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] kvm mmu: Don't calculate quadrant if tdp_enabled.
2010-05-31 9:11 [PATCH] kvm mmu: Don't calculate quadrant if tdp_enabled Gui Jianfeng
@ 2010-06-01 19:38 ` Marcelo Tosatti
0 siblings, 0 replies; 2+ messages in thread
From: Marcelo Tosatti @ 2010-06-01 19:38 UTC (permalink / raw)
To: Gui Jianfeng; +Cc: Avi Kivity, kvm
On Mon, May 31, 2010 at 05:11:39PM +0800, Gui Jianfeng wrote:
> There's no need to calculate quadrant if tdp is enabled.
>
> Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
> ---
> arch/x86/kvm/mmu.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
Applied, thanks.
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2010-06-01 20:09 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2010-05-31 9:11 [PATCH] kvm mmu: Don't calculate quadrant if tdp_enabled Gui Jianfeng
2010-06-01 19:38 ` Marcelo Tosatti
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).