redonkable/alistair23-linux
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KVM: Set cr0.mp for guests

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This allows fwait instructions to be trapped when the guest fpu is not
loaded.

Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Avi Kivity 2007-05-02 23:06:22 +03:00
parent 5fd86fcfc0
commit a3a0636725
1 changed files with 3 additions and 1 deletions
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4
drivers/kvm/kvm.h
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@ -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)