[PATCH v2 7/8] KVM: x86: Make kvm_mtrr_valid() static now that there are no external users

From: Sean Christopherson
Date: Thu May 11 2023 - 19:34:28 EST


Make kvm_mtrr_valid() local to mtrr.c now that it's not used to check the
validity of a PAT MSR value.

Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
---
arch/x86/kvm/mtrr.c | 3 +--
arch/x86/kvm/x86.h | 1 -
2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/x86/kvm/mtrr.c b/arch/x86/kvm/mtrr.c
index cdbbb511f940..3eb6e7f47e96 100644
--- a/arch/x86/kvm/mtrr.c
+++ b/arch/x86/kvm/mtrr.c
@@ -65,7 +65,7 @@ static bool valid_mtrr_type(unsigned t)
return t < 8 && (1 << t) & 0x73; /* 0, 1, 4, 5, 6 */
}

-bool kvm_mtrr_valid(struct kvm_vcpu *vcpu, u32 msr, u64 data)
+static bool kvm_mtrr_valid(struct kvm_vcpu *vcpu, u32 msr, u64 data)
{
int i;
u64 mask;
@@ -100,7 +100,6 @@ bool kvm_mtrr_valid(struct kvm_vcpu *vcpu, u32 msr, u64 data)

return (data & mask) == 0;
}
-EXPORT_SYMBOL_GPL(kvm_mtrr_valid);

static bool mtrr_is_enabled(struct kvm_mtrr *mtrr_state)
{
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index c544602d07a3..82e3dafc5453 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -309,7 +309,6 @@ void kvm_deliver_exception_payload(struct kvm_vcpu *vcpu,

void kvm_vcpu_mtrr_init(struct kvm_vcpu *vcpu);
u8 kvm_mtrr_get_guest_memory_type(struct kvm_vcpu *vcpu, gfn_t gfn);
-bool kvm_mtrr_valid(struct kvm_vcpu *vcpu, u32 msr, u64 data);
int kvm_mtrr_set_msr(struct kvm_vcpu *vcpu, u32 msr, u64 data);
int kvm_mtrr_get_msr(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata);
bool kvm_mtrr_check_gfn_range_consistency(struct kvm_vcpu *vcpu, gfn_t gfn,
--
2.40.1.606.ga4b1b128d6-goog