From: Yinghai Lu Date: Tue, 13 May 2008 00:40:39 +0000 (-0700) Subject: x86: amd opteron TOM2 mask val fix X-Git-Tag: v2.6.27-rc1~1106^2~247^2~99 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=8004dd965b13b01a96def054d420f6df7ff22d53;p=linux-2.6-omap-h63xx.git 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 Signed-off-by: Ingo Molnar --- diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c index a83f5cd7888..509bd3d9eac 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 5c2799c20e4..bfefdf0f40d 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); }