x86: amd opteron TOM2 mask val fix

there is a typo in the mask value, need to remove that extra 0,
to avoid 4bit clearing.

Signed-off-by: Yinghal Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

2 files changed, 3 insertions, 3 deletions

diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c
index a83f5cd78885..509bd3d9eacd 100644
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -233,7 +233,7 @@ void __init get_mtrr_state(void)
                 mtrr_tom2 = high;
                 mtrr_tom2 <<= 32;
                 mtrr_tom2 |= low;
-                mtrr_tom2 &= 0xffffff8000000ULL;
+                mtrr_tom2 &= 0xffffff800000ULL;
         }
         if (mtrr_show) {
                 int high_width;
diff --git a/arch/x86/pci/k8-bus_64.c b/arch/x86/pci/k8-bus_64.c
index 5c2799c20e47..bfefdf0f40d4 100644
--- a/arch/x86/pci/k8-bus_64.c
+++ b/arch/x86/pci/k8-bus_64.c
@@ -384,7 +384,7 @@ static int __init early_fill_mp_bus_info(void)
         /* need to take out [0, TOM) for RAM*/
         address = MSR_K8_TOP_MEM1;
         rdmsrl(address, val);
-        end = (val & 0xffffff8000000ULL);
+        end = (val & 0xffffff800000ULL);
         printk(KERN_INFO "TOM: %016lx aka %ldM\n", end, end>>20);
         if (end < (1ULL<<32))
                 update_range(range, 0, end - 1);
@@ -478,7 +478,7 @@ static int __init early_fill_mp_bus_info(void)
                 /* TOP_MEM2 */
                 address = MSR_K8_TOP_MEM2;
                 rdmsrl(address, val);
-                end = (val & 0xffffff8000000ULL);
+                end = (val & 0xffffff800000ULL);
                 printk(KERN_INFO "TOM2: %016lx aka %ldM\n", end, end>>20);
                 update_range(range, 1ULL<<32, end - 1);
         }