From a3a0636725ff172031072434d722b69bf49b7823 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Wed, 2 May 2007 23:06:22 +0300 Subject: [PATCH] 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 --- drivers/kvm/kvm.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h index 472408743d..5e6dac5a3c 100644 --- a/drivers/kvm/kvm.h +++ b/drivers/kvm/kvm.h @@ -18,6 +18,7 @@ #include #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) -- 2.39.5