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authorVenkatesh Pallipadi <venkatesh.pallipadi@intel.com>2005-09-03 15:56:32 -0700
committerLinus Torvalds <torvalds@evo.osdl.org>2005-09-05 00:06:10 -0700
commit252943efcfce945d8dd3738ca4c4b9cbeb4f3fa9 (patch)
treec197c27a57e3cb0af818b304373d2b0e8fd6e40b
parent911a62d42365076209e2c327e7688db296e35d62 (diff)
[PATCH] x86: Add the check for all the cores in a package in cache information
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--arch/i386/kernel/cpu/intel_cacheinfo.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/i386/kernel/cpu/intel_cacheinfo.c b/arch/i386/kernel/cpu/intel_cacheinfo.c
index 6c55b50cf04..9e0d5f83cb9 100644
--- a/arch/i386/kernel/cpu/intel_cacheinfo.c
+++ b/arch/i386/kernel/cpu/intel_cacheinfo.c
@@ -305,6 +305,9 @@ static void __devinit cache_shared_cpu_map_setup(unsigned int cpu, int index)
{
struct _cpuid4_info *this_leaf;
unsigned long num_threads_sharing;
+#ifdef CONFIG_X86_HT
+ struct cpuinfo_x86 *c = cpu_data + cpu;
+#endif
this_leaf = CPUID4_INFO_IDX(cpu, index);
num_threads_sharing = 1 + this_leaf->eax.split.num_threads_sharing;
@@ -314,10 +317,12 @@ static void __devinit cache_shared_cpu_map_setup(unsigned int cpu, int index)
#ifdef CONFIG_X86_HT
else if (num_threads_sharing == smp_num_siblings)
this_leaf->shared_cpu_map = cpu_sibling_map[cpu];
-#endif
+ else if (num_threads_sharing == (c->x86_num_cores * smp_num_siblings))
+ this_leaf->shared_cpu_map = cpu_core_map[cpu];
else
- printk(KERN_INFO "Number of CPUs sharing cache didn't match "
+ printk(KERN_DEBUG "Number of CPUs sharing cache didn't match "
"any known set of CPUs\n");
+#endif
}
#else
static void __init cache_shared_cpu_map_setup(unsigned int cpu, int index) {}