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authorIngo Molnar <mingo@elte.hu>2008-07-28 16:20:08 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-28 16:22:07 +0200
commitcdcf772ed163651cacac8098b4974aba7f9e1c73 (patch)
treece5da1bbb1a34d5c1a8bc435bd6f3ff8c917c986
parenta24e8d36f5fc047dac9af6200322ed393f2e3175 (diff)
downloadblackbird-op-linux-cdcf772ed163651cacac8098b4974aba7f9e1c73.tar.gz
blackbird-op-linux-cdcf772ed163651cacac8098b4974aba7f9e1c73.zip
x86 l3 cache index disable for 2 6 26 fix
Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--arch/x86/kernel/cpu/intel_cacheinfo.c39
1 files changed, 20 insertions, 19 deletions
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index a0c6c6ffed46..535d662716de 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -1,8 +1,8 @@
/*
- * Routines to indentify caches on Intel CPU.
+ * Routines to indentify caches on Intel CPU.
*
- * Changes:
- * Venkatesh Pallipadi : Adding cache identification through cpuid(4)
+ * Changes:
+ * Venkatesh Pallipadi : Adding cache identification through cpuid(4)
* Ashok Raj <ashok.raj@intel.com>: Work with CPU hotplug infrastructure.
* Andi Kleen / Andreas Herrmann : CPUID4 emulation on AMD.
*/
@@ -136,9 +136,9 @@ struct _cpuid4_info {
};
static struct pci_device_id k8_nb_id[] = {
- { PCI_DEVICE(PCI_VENDOR_ID_AMD, 0x1103) },
- { PCI_DEVICE(PCI_VENDOR_ID_AMD, 0x1203) },
- {}
+ { PCI_DEVICE(PCI_VENDOR_ID_AMD, 0x1103) },
+ { PCI_DEVICE(PCI_VENDOR_ID_AMD, 0x1203) },
+ {}
};
unsigned short num_cache_leaves;
@@ -190,9 +190,10 @@ static unsigned short assocs[] __cpuinitdata = {
static unsigned char levels[] __cpuinitdata = { 1, 1, 2, 3 };
static unsigned char types[] __cpuinitdata = { 1, 2, 3, 3 };
-static void __cpuinit amd_cpuid4(int leaf, union _cpuid4_leaf_eax *eax,
- union _cpuid4_leaf_ebx *ebx,
- union _cpuid4_leaf_ecx *ecx)
+static void __cpuinit
+amd_cpuid4(int leaf, union _cpuid4_leaf_eax *eax,
+ union _cpuid4_leaf_ebx *ebx,
+ union _cpuid4_leaf_ecx *ecx)
{
unsigned dummy;
unsigned line_size, lines_per_tag, assoc, size_in_kb;
@@ -264,7 +265,7 @@ amd_check_l3_disable(int index, struct _cpuid4_info *this_leaf)
{
if (index < 3)
return;
- this_leaf->can_disable = 1;
+ this_leaf->can_disable = 1;
}
static int
@@ -474,7 +475,7 @@ unsigned int __cpuinit init_intel_cacheinfo(struct cpuinfo_x86 *c)
/* pointer to _cpuid4_info array (for each cache leaf) */
static DEFINE_PER_CPU(struct _cpuid4_info *, cpuid4_info);
-#define CPUID4_INFO_IDX(x, y) (&((per_cpu(cpuid4_info, x))[y]))
+#define CPUID4_INFO_IDX(x, y) (&((per_cpu(cpuid4_info, x))[y]))
#ifdef CONFIG_SMP
static void __cpuinit cache_shared_cpu_map_setup(unsigned int cpu, int index)
@@ -511,7 +512,7 @@ static void __cpuinit cache_remove_shared_cpu_map(unsigned int cpu, int index)
this_leaf = CPUID4_INFO_IDX(cpu, index);
for_each_cpu_mask(sibling, this_leaf->shared_cpu_map) {
- sibling_leaf = CPUID4_INFO_IDX(sibling, index);
+ sibling_leaf = CPUID4_INFO_IDX(sibling, index);
cpu_clear(cpu, sibling_leaf->shared_cpu_map);
}
}
@@ -593,7 +594,7 @@ struct _index_kobject {
/* pointer to array of kobjects for cpuX/cache/indexY */
static DEFINE_PER_CPU(struct _index_kobject *, index_kobject);
-#define INDEX_KOBJECT_PTR(x, y) (&((per_cpu(index_kobject, x))[y]))
+#define INDEX_KOBJECT_PTR(x, y) (&((per_cpu(index_kobject, x))[y]))
#define show_one_plus(file_name, object, val) \
static ssize_t show_##file_name \
@@ -675,7 +676,7 @@ static struct pci_dev *get_k8_northbridge(int node)
if (!dev)
break;
}
- return dev;
+ return dev;
}
static ssize_t show_cache_disable(struct _cpuid4_info *this_leaf, char *buf)
@@ -736,7 +737,7 @@ store_cache_disable(struct _cpuid4_info *this_leaf, const char *buf,
printk(KERN_ERR "Attempting AMD northbridge operation on a system with no northbridge\n");
return -EINVAL;
}
-
+
pci_write_config_dword(dev, 0x1BC + index * 4, val & ~0x40000000);
wbinvd();
pci_write_config_dword(dev, 0x1BC + index * 4, val);
@@ -789,7 +790,7 @@ static ssize_t show(struct kobject * kobj, struct attribute * attr, char * buf)
ret = fattr->show ?
fattr->show(CPUID4_INFO_IDX(this_leaf->cpu, this_leaf->index),
buf) :
- 0;
+ 0;
return ret;
}
@@ -800,9 +801,9 @@ static ssize_t store(struct kobject * kobj, struct attribute * attr,
struct _index_kobject *this_leaf = to_object(kobj);
ssize_t ret;
- ret = fattr->store ?
- fattr->store(CPUID4_INFO_IDX(this_leaf->cpu, this_leaf->index),
- buf, count) :
+ ret = fattr->store ?
+ fattr->store(CPUID4_INFO_IDX(this_leaf->cpu, this_leaf->index),
+ buf, count) :
0;
return ret;
}
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