This is a note to let you know that I've just added the patch titled
Revert "KVM: x86: drop fpu_activate hook"
to the 4.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
revert-kvm-x86-drop-fpu_activate-hook.patch
and it can be found in the queue-4.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 0fdd74f7784b5cdff7075736992bbb149b1ae49c Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Date: Wed, 20 May 2015 11:33:43 +0200
Subject: Revert "KVM: x86: drop fpu_activate hook"
From: Paolo Bonzini <pbonzini@xxxxxxxxxx>
commit 0fdd74f7784b5cdff7075736992bbb149b1ae49c upstream.
This reverts commit 4473b570a7ebb502f63f292ccfba7df622e5fdd3. We'll
use the hook again.
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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,
Patches currently in stable-queue which might be from pbonzini@xxxxxxxxxx are
queue-4.0/kvm-fix-crash-in-kvm_vcpu_reload_apic_access_page.patch
queue-4.0/kvm-mmu-fix-smap-permission-check.patch
queue-4.0/revert-kvm-x86-drop-fpu_activate-hook.patch
queue-4.0/kvm-mmu-fix-cr4.smep-1-cr0.wp-0-with-shadow-pages.patch
queue-4.0/kvm-mmu-fix-smap-virtualization.patch
queue-4.0/kvm-fpu-enable-eager-restore-kvm-fpu-for-mpx.patch
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