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| author | Avi Kivity <avi@qumranet.com> | 2007-07-17 14:20:30 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2007-07-20 20:16:29 +0300 |
| commit | 35f3f28613bc7263949db23a4c7078e425810c8c (patch) | |
| tree | 134729d56cf503029e1e667df9bfe30b7410ad3b /drivers/kvm/kvm_main.c | |
| parent | 90cb0529dd230548a7f0d6b315997be854caea1b (diff) | |
| download | lwn-35f3f28613bc7263949db23a4c7078e425810c8c.tar.gz lwn-35f3f28613bc7263949db23a4c7078e425810c8c.zip | |
KVM: x86 emulator: implement rdmsr and wrmsr
Allow real-mode emulation of rdmsr and wrmsr. This allows smp Windows to
boot, presumably for its sipi trampoline.
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers/kvm/kvm_main.c')
| -rw-r--r-- | drivers/kvm/kvm_main.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index 05f0418f2195..bcbe6835beb4 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -1517,7 +1517,7 @@ EXPORT_SYMBOL_GPL(kvm_get_msr_common); * Returns 0 on success, non-0 otherwise. * Assumes vcpu_load() was already called. */ -static int get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata) +int kvm_get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata) { return kvm_arch_ops->get_msr(vcpu, msr_index, pdata); } @@ -1595,7 +1595,7 @@ EXPORT_SYMBOL_GPL(kvm_set_msr_common); * Returns 0 on success, non-0 otherwise. * Assumes vcpu_load() was already called. */ -static int set_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data) +int kvm_set_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data) { return kvm_arch_ops->set_msr(vcpu, msr_index, data); } @@ -2133,7 +2133,7 @@ static __init void kvm_init_msr_list(void) */ static int do_set_msr(struct kvm_vcpu *vcpu, unsigned index, u64 *data) { - return set_msr(vcpu, index, *data); + return kvm_set_msr(vcpu, index, *data); } /* @@ -2617,7 +2617,7 @@ static long kvm_vcpu_ioctl(struct file *filp, break; } case KVM_GET_MSRS: - r = msr_io(vcpu, argp, get_msr, 1); + r = msr_io(vcpu, argp, kvm_get_msr, 1); break; case KVM_SET_MSRS: r = msr_io(vcpu, argp, do_set_msr, 0); |