[PATCH 4.0 005/148] Revert "KVM: x86: drop fpu_activate hook"

Greg Kroah-Hartman
2015-06-03T12:57:32Z

From: Paolo Bonzini <pbonzini@redhat.com>

commit 0fdd74f7784b5cdff7075736992bbb149b1ae49c upstream.

This reverts commit 4473b570a7ebb502f63f292ccfba7df622e5fdd3. We'll
use the hook again.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
arch/x86/include/asm/kvm_host.h | 1 +
arch/x86/kvm/svm.c | 1 +
arch/x86/kvm/vmx.c | 1 +
3 files changed, 3 insertions(+)

--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -735,6 +735,7 @@ struct kvm_x86_ops {
void (*cache_reg)(struct kvm_vcpu *vcpu, enum kvm_reg reg);
unsigned long (*get_rflags)(struct kvm_vcpu *vcpu);
void (*set_rflags)(struct kvm_vcpu *vcpu, unsigned long rflags);
+ void (*fpu_activate)(struct kvm_vcpu *vcpu);
void (*fpu_deactivate)(struct kvm_vcpu *vcpu);

void (*tlb_flush)(struct kvm_vcpu *vcpu);
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -4374,6 +4374,7 @@ static struct kvm_x86_ops svm_x86_ops =
.cache_reg = svm_cache_reg,
.get_rflags = svm_get_rflags,
.set_rflags = svm_set_rflags,
+ .fpu_activate = svm_fpu_activate,
.fpu_deactivate = svm_fpu_deactivate,

.tlb_flush = svm_flush_tlb,
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -10179,6 +10179,7 @@ static struct kvm_x86_ops vmx_x86_ops =
.cache_reg = vmx_cache_reg,
.get_rflags = vmx_get_rflags,
.set_rflags = vmx_set_rflags,
+ .fpu_activate = vmx_fpu_activate,
.fpu_deactivate = vmx_fpu_deactivate,

.tlb_flush = vmx_flush_tlb,