lkml.org 
[lkml]   [2010]   [Feb]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 27/39] KVM: SVM: Lazy fpu with npt
Date
Now that we can allow the guest to play with cr0 when the fpu is loaded,
we can enable lazy fpu when npt is in use.

Acked-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
arch/x86/kvm/svm.c | 8 --------
1 files changed, 0 insertions(+), 8 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 83c7ab1..8d7cb62 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -2588,8 +2588,6 @@ static void svm_flush_tlb(struct kvm_vcpu *vcpu)

static void svm_prepare_guest_switch(struct kvm_vcpu *vcpu)
{
- if (npt_enabled)
- vcpu->fpu_active = 1;
}

static inline void sync_cr8_to_lapic(struct kvm_vcpu *vcpu)
@@ -2928,12 +2926,6 @@ static void svm_fpu_deactivate(struct kvm_vcpu *vcpu)
{
struct vcpu_svm *svm = to_svm(vcpu);

- if (npt_enabled) {
- /* hack: npt requires active fpu at this time */
- vcpu->fpu_active = 1;
- return;
- }
-
update_cr0_intercept(svm);
svm->vmcb->control.intercept_exceptions |= 1 << NM_VECTOR;
}
--
1.6.5.3


\
 
 \ /
  Last update: 2010-02-13 09:11    [W:0.112 / U:0.424 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site