2 files changed, 2 insertions, 1 deletions

diff --git a/include/asm-x86_64/msr.h b/include/asm-x86_64/msr.h
index 4d727f3f5550..5a7fe3c6c3d8 100644
--- a/include/asm-x86_64/msr.h
+++ b/include/asm-x86_64/msr.h
@@ -234,6 +234,7 @@ static inline unsigned int cpuid_edx(unsigned int op)
 #define MSR_K8_TOP_MEM1            0xC001001A
 #define MSR_K8_TOP_MEM2            0xC001001D
 #define MSR_K8_SYSCFG              0xC0010010
+#define MSR_K8_HWCR                0xC0010015
 
 /* K6 MSRs */
 #define MSR_K6_EFER                     0xC0000080
diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h
index 2cb483516459..dd8711ecaf2f 100644
--- a/include/asm-x86_64/pgtable.h
+++ b/include/asm-x86_64/pgtable.h
@@ -384,7 +384,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 }
 
 #define pte_index(address) \
-                ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
+                (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
 #define pte_offset_kernel(dir, address) ((pte_t *) pmd_page_kernel(*(dir)) + \
                         pte_index(address))