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authorYinghai Lu <yhlu.kernel@gmail.com>2008-09-07 17:58:58 -0700
committerIngo Molnar <mingo@elte.hu>2008-09-08 15:46:03 +0200
commitf69feff720497237ae9dd2f4604921bd3080c421 (patch)
tree3a66d0cf263a0fa46f145a7b4de73c45c4a6b010
parentff73152ced60871f7d5fb7dee52fa499902a3c6d (diff)
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>
-rw-r--r--arch/x86/kernel/cpu/intel.c7
-rw-r--r--arch/x86/kernel/cpu/intel_64.c8
2 files changed, 6 insertions, 9 deletions
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index 959417b8cd6..4a8ac9d4ff5 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 14a2cd98d48..aef4f282631 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))