From: Aaron Lewis Date: Wed, 21 Sep 2022 15:15:23 +0000 (+0000) Subject: KVM: x86: Add a VALID_MASK for the flag in kvm_msr_filter X-Git-Tag: v6.6.7~3891^2~144 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c1340fe3590ebbe729294c728234434ef31a7c7a;p=platform%2Fkernel%2Flinux-starfive.git KVM: x86: Add a VALID_MASK for the flag in kvm_msr_filter Add the mask KVM_MSR_FILTER_VALID_MASK for the flag in the struct kvm_msr_filter. This makes it easier to introduce new flags in the future. No functional change intended. Signed-off-by: Aaron Lewis Message-Id: <20220921151525.904162-4-aaronlewis@google.com> Signed-off-by: Paolo Bonzini --- diff --git a/arch/x86/include/uapi/asm/kvm.h b/arch/x86/include/uapi/asm/kvm.h index 73ad693..ae43246 100644 --- a/arch/x86/include/uapi/asm/kvm.h +++ b/arch/x86/include/uapi/asm/kvm.h @@ -226,6 +226,7 @@ struct kvm_msr_filter { #define KVM_MSR_FILTER_DEFAULT_ALLOW (0 << 0) #endif #define KVM_MSR_FILTER_DEFAULT_DENY (1 << 0) +#define KVM_MSR_FILTER_VALID_MASK (KVM_MSR_FILTER_DEFAULT_DENY) __u32 flags; struct kvm_msr_filter_range ranges[KVM_MSR_FILTER_MAX_RANGES]; }; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 9ba8c1b..5208b95 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -6441,7 +6441,7 @@ static int kvm_vm_ioctl_set_msr_filter(struct kvm *kvm, int r = 0; u32 i; - if (filter->flags & ~KVM_MSR_FILTER_DEFAULT_DENY) + if (filter->flags & ~KVM_MSR_FILTER_VALID_MASK) return -EINVAL; for (i = 0; i < ARRAY_SIZE(filter->ranges); i++)