linux-kernel - [PATCH 01/16] x86: make detect_ht depends on X86

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Date:	Thu,  4 Sep 2008 20:08:59 -0700
From:	Yinghai Lu <yhlu.kernel@...il.com>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, Yinghai Lu <yhlu.kernel@...il.com>
Subject: [PATCH 01/16] x86: make detect_ht depends on X86_HT

64bit has X86_HT set too, so use that instead of SMP

Signed-off-by: Yinghai Lu <yhlu.kernel@...il.com>
---
 arch/x86/kernel/cpu/common.c    |    4 ++--
 arch/x86/kernel/cpu/common_64.c |    2 +-
 include/asm-x86/processor.h     |    4 ----
 3 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 7d5a07f..1f80ce0 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -263,9 +263,9 @@ void __cpuinit display_cacheinfo(struct cpuinfo_x86 *c)
 			l2size, ecx & 0xFF);
 }
 
-#ifdef CONFIG_X86_HT
 void __cpuinit detect_ht(struct cpuinfo_x86 *c)
 {
+#ifdef CONFIG_X86_HT
 	u32 eax, ebx, ecx, edx;
 	int index_msb, core_bits;
 
@@ -311,8 +311,8 @@ out:
 		printk(KERN_INFO  "CPU: Processor Core ID: %d\n",
 		       c->cpu_core_id);
 	}
-}
 #endif
+}
 
 static void __cpuinit get_cpu_vendor(struct cpuinfo_x86 *c)
 {
diff --git a/arch/x86/kernel/cpu/common_64.c b/arch/x86/kernel/cpu/common_64.c
index bcb48ce..8e63073 100644
--- a/arch/x86/kernel/cpu/common_64.c
+++ b/arch/x86/kernel/cpu/common_64.c
@@ -141,7 +141,7 @@ void __cpuinit display_cacheinfo(struct cpuinfo_x86 *c)
 
 void __cpuinit detect_ht(struct cpuinfo_x86 *c)
 {
-#ifdef CONFIG_SMP
+#ifdef CONFIG_X86_HT
 	u32 eax, ebx, ecx, edx;
 	int index_msb, core_bits;
 
diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h
index ee8eab6..1197cc6 100644
--- a/include/asm-x86/processor.h
+++ b/include/asm-x86/processor.h
@@ -167,11 +167,7 @@ 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
-static inline void detect_ht(struct cpuinfo_x86 *c) {}
-#endif
 
 static inline void native_cpuid(unsigned int *eax, unsigned int *ebx,
 				unsigned int *ecx, unsigned int *edx)
-- 
1.5.4.5

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