x86: little clean up of intel.c/intel_64.c

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

2 files changed, 6 insertions, 9 deletions

diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index 959417b8cd64..4a8ac9d4ff50 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -76,7 +76,7 @@ static void __cpuinit Intel_errata_workarounds(struct cpuinfo_x86 *c)
 /*
  * find out the number of processor cores on the die
  */
-static int __cpuinit num_cpu_cores(struct cpuinfo_x86 *c)
+static int __cpuinit intel_num_cpu_cores(struct cpuinfo_x86 *c)
 {
         unsigned int eax, ebx, ecx, edx;
 
@@ -183,7 +183,7 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
                  * let's use the legacy cpuid vector 0x1 and 0x4 for topology
                  * detection.
                  */
-                c->x86_max_cores = num_cpu_cores(c);
+                c->x86_max_cores = intel_num_cpu_cores(c);
                 detect_ht(c);
         }
 
@@ -210,9 +210,8 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
 
         if (cpu_has_xmm2)
                 set_cpu_cap(c, X86_FEATURE_LFENCE_RDTSC);
-        if (c->x86 == 15) {
+        if (c->x86 == 15)
                 set_cpu_cap(c, X86_FEATURE_P4);
-        }
         if (c->x86 == 6)
                 set_cpu_cap(c, X86_FEATURE_P3);
         if (cpu_has_ds) {
diff --git a/arch/x86/kernel/cpu/intel_64.c b/arch/x86/kernel/cpu/intel_64.c
index 14a2cd98d480..aef4f2826313 100644
--- a/arch/x86/kernel/cpu/intel_64.c
+++ b/arch/x86/kernel/cpu/intel_64.c
@@ -71,17 +71,15 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
                         set_cpu_cap(c, X86_FEATURE_BTS);
                 if (!(l1 & (1<<12)))
                         set_cpu_cap(c, X86_FEATURE_PEBS);
-        }
-
-
-        if (cpu_has_bts)
                 ds_init_intel(c);
+        }
 
         if (c->x86 == 15)
                 c->x86_cache_alignment = c->x86_clflush_size * 2;
         if (c->x86 == 6)
                 set_cpu_cap(c, X86_FEATURE_REP_GOOD);
-        set_cpu_cap(c, X86_FEATURE_LFENCE_RDTSC);
+        if (cpu_has_xmm2)
+                set_cpu_cap(c, X86_FEATURE_LFENCE_RDTSC);
 
         detect_extended_topology(c);
         if (!cpu_has(c, X86_FEATURE_XTOPOLOGY))