x86: use cpuid vector 0xb when available for detecting cpu topology
[sfrench/cifs-2.6.git] / include / asm-x86 / processor.h
index 5f58da401b43696ee861377fb9aba53500af8b8e..79338fe965d28a97d663acacdd9463ab4eb95824 100644 (file)
@@ -161,6 +161,7 @@ extern void init_scattered_cpuid_features(struct cpuinfo_x86 *c);
 extern unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c);
 extern unsigned short num_cache_leaves;
 
+extern void detect_extended_topology(struct cpuinfo_x86 *c);
 #if defined(CONFIG_X86_HT) || defined(CONFIG_X86_64)
 extern void detect_ht(struct cpuinfo_x86 *c);
 #else