From 9caec4bf1d0126fa5f2fcd21852958bccd2a4c18 Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Mon, 14 Dec 2020 07:59:15 -0500
Subject: [PATCH] KVM: x86: remove bogus #GP injection
There is no need to inject a #GP from kvm_mtrr_set_msr, kvm_emulate_wrmsr will
handle it.
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
arch/x86/kvm/mtrr.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/arch/x86/kvm/mtrr.c b/arch/x86/kvm/mtrr.c
index 7f0059aa30e16..f472fdb6ae7e0 100644
--- a/arch/x86/kvm/mtrr.c
+++ b/arch/x86/kvm/mtrr.c
@@ -84,12 +84,8 @@ bool kvm_mtrr_valid(struct kvm_vcpu *vcpu, u32 msr, u64 data)
} else
/* MTRR mask */
mask |= 0x7ff;
- if (data & mask) {
- kvm_inject_gp(vcpu, 0);
- return false;
- }
- return true;
+ return (data & mask) == 0;
}
EXPORT_SYMBOL_GPL(kvm_mtrr_valid);
--
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