The patch titled
KVM: Fix guest cr4 corruption
has been added to the -mm tree. Its filename is
kvm-virtualization-infrastructure-kvm-fix-guest-cr4-corruption.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: KVM: Fix guest cr4 corruption
From: Avi Kivity <avi@xxxxxxxxxxxx>
Upon entry to protected mode, we set cr4 to a value derived from cr0
accidentally. Fix.
This could cause a guest to crash (though I never observed it).
Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/kvm/kvm_main.c | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/kvm/kvm_main.c~kvm-virtualization-infrastructure-kvm-fix-guest-cr4-corruption drivers/kvm/kvm_main.c
--- a/drivers/kvm/kvm_main.c~kvm-virtualization-infrastructure-kvm-fix-guest-cr4-corruption
+++ a/drivers/kvm/kvm_main.c
@@ -698,7 +698,7 @@ static void enter_pmode(struct kvm_vcpu
vmcs_writel(GUEST_RFLAGS, flags);
vmcs_writel(GUEST_CR4, (vmcs_readl(GUEST_CR4) & ~CR4_VME_MASK) |
- (vmcs_readl(CR0_READ_SHADOW) & CR4_VME_MASK) );
+ (vmcs_readl(CR4_READ_SHADOW) & CR4_VME_MASK));
update_exception_bitmap(vcpu);
_
Patches currently in -mm which might be from avi@xxxxxxxxxxxx are
kvm-userspace-interface.patch
kvm-intel-virtual-mode-extensions-definitions.patch
kvm-kvm-data-structures.patch
kvm-random-accessors-and-constants.patch
kvm-virtualization-infrastructure.patch
kvm-virtualization-infrastructure-kvm-fix-guest-cr4-corruption.patch
kvm-memory-slot-management.patch
kvm-vcpu-creation-and-maintenance.patch
kvm-workaround-cr0cd-cache-disable-bit-leak-from-guest-to.patch
kvm-vcpu-execution-loop.patch
kvm-define-exit-handlers.patch
kvm-less-common-exit-handlers.patch
kvm-mmu.patch
kvm-x86-emulator.patch
kvm-plumbing.patch
kvm-dynamically-determine-which-msrs-to-load-and-save.patch
kvm-fix-calculation-of-initial-value-of-rdx-register.patch
-
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