diff options
Diffstat (limited to 'arch/x86/kvm/mtrr.c')
| -rw-r--r-- | arch/x86/kvm/mtrr.c | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/arch/x86/kvm/mtrr.c b/arch/x86/kvm/mtrr.c index e9ea2d45ae66..25ce3edd1872 100644 --- a/arch/x86/kvm/mtrr.c +++ b/arch/x86/kvm/mtrr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * vMTRR implementation * @@ -11,9 +12,6 @@ * Marcelo Tosatti <mtosatti@redhat.com> * Paolo Bonzini <pbonzini@redhat.com> * Xiao Guangrong <guangrong.xiao@linux.intel.com> - * - * This work is licensed under the terms of the GNU GPL, version 2. See - * the COPYING file in the top-level directory. */ #include <linux/kvm_host.h> @@ -48,11 +46,6 @@ static bool msr_mtrr_valid(unsigned msr) return false; } -static bool valid_pat_type(unsigned t) -{ - return t < 8 && (1 << t) & 0xf3; /* 0, 1, 4, 5, 6, 7 */ -} - static bool valid_mtrr_type(unsigned t) { return t < 8 && (1 << t) & 0x73; /* 0, 1, 4, 5, 6 */ @@ -67,10 +60,7 @@ bool kvm_mtrr_valid(struct kvm_vcpu *vcpu, u32 msr, u64 data) return false; if (msr == MSR_IA32_CR_PAT) { - for (i = 0; i < 8; i++) - if (!valid_pat_type((data >> (i * 8)) & 0xff)) - return false; - return true; + return kvm_pat_valid(data); } else if (msr == MSR_MTRRdefType) { if (data & ~0xcff) return false; |