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authorAvi Kivity <avi@qumranet.com>2007-05-02 23:06:22 +0300
committerAvi Kivity <avi@qumranet.com>2007-07-16 12:05:40 +0300
commita3a0636725ff172031072434d722b69bf49b7823 (patch)
treed57029a6f19a671e764ca842f91883d9bff24a4d /drivers/kvm/kvm.h
parent5fd86fcfc0dbdd42296b1182945f7a0a05578211 (diff)
KVM: Set cr0.mp for guests
This allows fwait instructions to be trapped when the guest fpu is not loaded. Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers/kvm/kvm.h')
-rw-r--r--drivers/kvm/kvm.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h
index 472408743d7..5e6dac5a3c0 100644
--- a/drivers/kvm/kvm.h
+++ b/drivers/kvm/kvm.h
@@ -18,6 +18,7 @@
#include <linux/kvm_para.h>
#define CR0_PE_MASK (1ULL << 0)
+#define CR0_MP_MASK (1ULL << 1)
#define CR0_TS_MASK (1ULL << 3)
#define CR0_NE_MASK (1ULL << 5)
#define CR0_WP_MASK (1ULL << 16)
@@ -42,7 +43,8 @@
(CR0_PG_MASK | CR0_PE_MASK | CR0_WP_MASK | CR0_NE_MASK \
| CR0_NW_MASK | CR0_CD_MASK)
#define KVM_VM_CR0_ALWAYS_ON \
- (CR0_PG_MASK | CR0_PE_MASK | CR0_WP_MASK | CR0_NE_MASK | CR0_TS_MASK)
+ (CR0_PG_MASK | CR0_PE_MASK | CR0_WP_MASK | CR0_NE_MASK | CR0_TS_MASK \
+ | CR0_MP_MASK)
#define KVM_GUEST_CR4_MASK \
(CR4_PSE_MASK | CR4_PAE_MASK | CR4_PGE_MASK | CR4_VMXE_MASK | CR4_VME_MASK)
#define KVM_PMODE_VM_CR4_ALWAYS_ON (CR4_VMXE_MASK | CR4_PAE_MASK)