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SubjectRe: [PATCH 02/12] kvm/svm: add helper functions for global interrupt flag
Joerg Roedel wrote:
> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
> ---
> arch/x86/kvm/svm.c | 31 +++++++++++++++++++++++--------
> 1 files changed, 23 insertions(+), 8 deletions(-)
>
> diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
> index 27d26c3..9f69b25 100644
> --- a/arch/x86/kvm/svm.c
> +++ b/arch/x86/kvm/svm.c
> @@ -136,6 +136,21 @@ static inline bool is_nested(struct vcpu_svm *svm)
> return svm->nested_vmcb;
> }
>
> +static inline void enable_gif(struct vcpu_svm *svm)
> +{
> + svm->vcpu.arch.hflags |= HF_GIF_MASK;
> +}
> +
> +static inline void disable_gif(struct vcpu_svm *svm)
> +{
> + svm->vcpu.arch.hflags &= ~HF_GIF_MASK;
> +}
> +
> +static inline bool gif_set(struct vcpu_svm *svm)
> +{
> + return !!(svm->vcpu.arch.hflags & HF_GIF_MASK);
> +}
> +
> static unsigned long iopm_base;
>
> struct kvm_ldttss_desc {
> @@ -630,7 +645,7 @@ static void init_vmcb(struct vcpu_svm *svm)
> force_new_asid(&svm->vcpu);
>
> svm->nested_vmcb = 0;
> - svm->vcpu.arch.hflags = HF_GIF_MASK;
> + enable_gif(svm);
>

Are we sure hflags is always 0 here?



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