Commit c1340fe3 authored by Aaron Lewis's avatar Aaron Lewis Committed by Paolo Bonzini
Browse files

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: default avatarAaron Lewis <aaronlewis@google.com>
Message-Id: <20220921151525.904162-4-aaronlewis@google.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent db205f7e

arch/x86/include/uapi/asm/kvm.h

+1 −0
Original line number Diff line number Diff line
@@ -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];

};

arch/x86/kvm/x86.c

+1 −1
Original line number Diff line number Diff line
@@ -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++)