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[PATCH] x86: Add the check for all the cores in a package in cache in…
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…formation

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>
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Venkatesh Pallipadi authored and Linus Torvalds committed Sep 5, 2005
1 parent 911a62d commit 252943e
Showing 1 changed file with 7 additions and 2 deletions.
9 changes: 7 additions & 2 deletions arch/i386/kernel/cpu/intel_cacheinfo.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand All @@ -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) {}
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