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| author | Avi Kivity <avi@qumranet.com> | 2007-05-02 23:06:22 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2007-07-16 12:05:40 +0300 |
| commit | a3a0636725ff172031072434d722b69bf49b7823 (patch) | |
| tree | d57029a6f19a671e764ca842f91883d9bff24a4d /drivers/kvm | |
| parent | 5fd86fcfc0dbdd42296b1182945f7a0a05578211 (diff) | |
| download | linux-a3a0636725ff172031072434d722b69bf49b7823.tar.bz2 | |
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')
| -rw-r--r-- | drivers/kvm/kvm.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h index 472408743d70..5e6dac5a3c00 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) |