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authorBorislav Petkov <borislav.petkov@amd.com>2010-02-04 12:09:07 +0100
committerH. Peter Anvin <hpa@zytor.com>2010-02-18 21:58:57 -0800
commitf619b3d8427eb57f0134dab75b0d217325c72411 (patch)
treee24abaf637f2f91e337a6d5877b0361c8015e1d4 /arch
parent414bb144efa2d2fe16d104d836d0d6b6e9265788 (diff)
downloadop-kernel-dev-f619b3d8427eb57f0134dab75b0d217325c72411.zip
op-kernel-dev-f619b3d8427eb57f0134dab75b0d217325c72411.tar.gz
x86, cacheinfo: Remove NUMA dependency, fix for AMD Fam10h rev D1
The show/store_cache_disable routines depend unnecessarily on NUMA's cpu_to_node and the disabling of cache indices broke when !CONFIG_NUMA. Remove that dependency by using a helper which is always correct. While at it, enable L3 Cache Index disable on rev D1 Istanbuls which sport the feature too. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com> LKML-Reference: <20100218184339.GG20473@aftab> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/cpu/intel_cacheinfo.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index 589b705..be5f5c2 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -327,7 +327,7 @@ amd_check_l3_disable(int index, struct _cpuid4_info_regs *this_leaf)
/* see errata #382 and #388 */
if ((boot_cpu_data.x86 == 0x10) &&
- ((boot_cpu_data.x86_model < 0x9) ||
+ ((boot_cpu_data.x86_model < 0x8) ||
(boot_cpu_data.x86_mask < 0x1)))
return;
@@ -744,7 +744,7 @@ static ssize_t show_cache_disable(struct _cpuid4_info *this_leaf, char *buf,
unsigned int index)
{
int cpu = cpumask_first(to_cpumask(this_leaf->shared_cpu_map));
- int node = cpu_to_node(cpu);
+ int node = amd_get_nb_id(cpu);
struct pci_dev *dev = node_to_k8_nb_misc(node);
unsigned int reg = 0;
@@ -771,7 +771,7 @@ static ssize_t store_cache_disable(struct _cpuid4_info *this_leaf,
const char *buf, size_t count, unsigned int index)
{
int cpu = cpumask_first(to_cpumask(this_leaf->shared_cpu_map));
- int node = cpu_to_node(cpu);
+ int node = amd_get_nb_id(cpu);
struct pci_dev *dev = node_to_k8_nb_misc(node);
unsigned long val = 0;
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