treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 499

[linux-2.6-microblaze.git] / arch / x86 / kvm / mtrr.c

diff --git a/arch/x86/kvm/mtrr.c b/arch/x86/kvm/mtrr.c
index e9ea2d4..25ce3ed 100644 (file)
--- 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;