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authorYinghai Lu <yhlu.kernel@gmail.com>2008-05-12 17:40:39 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2008-08-20 11:05:09 -0700
commitbee879f48e0df80fd44db4dbd0da0dbbc9340193 (patch)
tree9048815689cd9ff3dff392d7bc901123a130b2b6 /arch
parent1c94e41a5734290d14d4ca122e5dd26269571f76 (diff)
x86: amd opteron TOM2 mask val fix
commit 8004dd965b13b01a96def054d420f6df7ff22d53 upstream. 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> Cc: maximilian attems <max@stro.at> Cc: Peter Palfrader <weasel@debian.org> Cc: dann frazier <dannf@debian.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/cpu/mtrr/generic.c2
-rw-r--r--arch/x86/pci/k8-bus_64.c4
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 5d241ce94a44..75b14b12d48c 100644
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -219,7 +219,7 @@ void __init get_mtrr_state(void)
tom2 = hi;
tom2 <<= 32;
tom2 |= lo;
- tom2 &= 0xffffff8000000ULL;
+ 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);
}