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[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>
This commit is contained in:
Venkatesh Pallipadi 2005-09-03 15:56:32 -07:00 committed by Linus Torvalds
parent 911a62d423
commit 252943efcf
1 changed files with 7 additions and 2 deletions
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9
arch/i386/kernel/cpu/intel_cacheinfo.c
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@ -305,6 +305,9 @@ static void __devinit cache_shared_cpu_map_setup(unsigned int cpu, int index)
{ {
struct _cpuid4_info *this_leaf; struct _cpuid4_info *this_leaf;
unsigned long num_threads_sharing; unsigned long num_threads_sharing;
#ifdef CONFIG_X86_HT
struct cpuinfo_x86 *c = cpu_data + cpu;
#endif
this_leaf = CPUID4_INFO_IDX(cpu, index); this_leaf = CPUID4_INFO_IDX(cpu, index);
num_threads_sharing = 1 + this_leaf->eax.split.num_threads_sharing; 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 #ifdef CONFIG_X86_HT
else if (num_threads_sharing == smp_num_siblings) else if (num_threads_sharing == smp_num_siblings)
this_leaf->shared_cpu_map = cpu_sibling_map[cpu]; 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 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"); "any known set of CPUs\n");
#endif
} }
#else #else
static void __init cache_shared_cpu_map_setup(unsigned int cpu, int index) {} static void __init cache_shared_cpu_map_setup(unsigned int cpu, int index) {}