diff options
| author | Yang, Sheng <sheng.yang@intel.com> | 2007-07-25 12:17:06 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2007-10-13 10:18:19 +0200 |
| commit | 62b3ffb8b357a791491726cff8d395027e5245b7 (patch) | |
| tree | c33b0eb391258ef5c42d16d3638ca53e58ed9fd6 /drivers/kvm/vmx.c | |
| parent | fe5518819463d57ed032bc12458ed681bc790609 (diff) | |
KVM: VMX: Import some constants of vmcs from IA32 SDM
This patch mainly imports some constants and rename two exist constants
of vmcs according to IA32 SDM.
It also adds two constants to indicate Lock bit and Enable bit in
MSR_IA32_FEATURE_CONTROL, and replace the hardcode _5_ with these two
bits.
Signed-off-by: Sheng Yang <sheng.yang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers/kvm/vmx.c')
| -rw-r--r-- | drivers/kvm/vmx.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c index 79674a7a92b..dac2f93d1a0 100644 --- a/drivers/kvm/vmx.c +++ b/drivers/kvm/vmx.c @@ -751,7 +751,10 @@ static __init int vmx_disabled_by_bios(void) u64 msr; rdmsrl(MSR_IA32_FEATURE_CONTROL, msr); - return (msr & 5) == 1; /* locked but not enabled */ + return (msr & (MSR_IA32_FEATURE_CONTROL_LOCKED | + MSR_IA32_FEATURE_CONTROL_VMXON_ENABLED)) + == MSR_IA32_FEATURE_CONTROL_LOCKED; + /* locked but not enabled */ } static void hardware_enable(void *garbage) @@ -761,9 +764,14 @@ static void hardware_enable(void *garbage) u64 old; rdmsrl(MSR_IA32_FEATURE_CONTROL, old); - if ((old & 5) != 5) + if ((old & (MSR_IA32_FEATURE_CONTROL_LOCKED | + MSR_IA32_FEATURE_CONTROL_VMXON_ENABLED)) + != (MSR_IA32_FEATURE_CONTROL_LOCKED | + MSR_IA32_FEATURE_CONTROL_VMXON_ENABLED)) /* enable and lock */ - wrmsrl(MSR_IA32_FEATURE_CONTROL, old | 5); + wrmsrl(MSR_IA32_FEATURE_CONTROL, old | + MSR_IA32_FEATURE_CONTROL_LOCKED | + MSR_IA32_FEATURE_CONTROL_VMXON_ENABLED); write_cr4(read_cr4() | X86_CR4_VMXE); /* FIXME: not cpu hotplug safe */ asm volatile (ASM_VMX_VMXON_RAX : : "a"(&phys_addr), "m"(phys_addr) : "memory", "cc"); @@ -1326,7 +1334,7 @@ static int vmx_vcpu_setup(struct kvm_vcpu *vcpu) CPU_BASED_HLT_EXITING /* 20.6.2 */ | CPU_BASED_CR8_LOAD_EXITING /* 20.6.2 */ | CPU_BASED_CR8_STORE_EXITING /* 20.6.2 */ - | CPU_BASED_ACTIVATE_IO_BITMAP /* 20.6.2 */ + | CPU_BASED_USE_IO_BITMAPS /* 20.6.2 */ | CPU_BASED_MOV_DR_EXITING | CPU_BASED_USE_TSC_OFFSETING /* 21.3 */ ); |