From 1cd78776c7d5487e3000426d0ce1ff203c5d60cd Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Thu, 4 Sep 2008 20:09:08 -0700 Subject: [PATCH] x86: cpu/common*.c, merge detect_ht() Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/common.c | 13 ++++++++++++- arch/x86/kernel/cpu/common_64.c | 9 +++++++++ 2 files changed, 21 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index f9191207718..b2018f76c94 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -330,6 +330,9 @@ void __cpuinit detect_ht(struct cpuinfo_x86 *c) if (cpu_has(c, X86_FEATURE_CMP_LEGACY)) goto out; + if (cpu_has(c, X86_FEATURE_XTOPOLOGY)) + return; + cpuid(1, &eax, &ebx, &ecx, &edx); smp_num_siblings = (ebx & 0xff0000) >> 16; @@ -346,8 +349,11 @@ void __cpuinit detect_ht(struct cpuinfo_x86 *c) } index_msb = get_count_order(smp_num_siblings); +#ifdef CONFIG_X86_64 + c->phys_proc_id = phys_pkg_id(index_msb); +#else c->phys_proc_id = phys_pkg_id(c->initial_apicid, index_msb); - +#endif smp_num_siblings = smp_num_siblings / c->x86_max_cores; @@ -355,8 +361,13 @@ void __cpuinit detect_ht(struct cpuinfo_x86 *c) core_bits = get_count_order(c->x86_max_cores); +#ifdef CONFIG_X86_64 + c->cpu_core_id = phys_pkg_id(index_msb) & + ((1 << core_bits) - 1); +#else c->cpu_core_id = phys_pkg_id(c->initial_apicid, index_msb) & ((1 << core_bits) - 1); +#endif } out: diff --git a/arch/x86/kernel/cpu/common_64.c b/arch/x86/kernel/cpu/common_64.c index f7a2d524b1e..7ac0a00743c 100644 --- a/arch/x86/kernel/cpu/common_64.c +++ b/arch/x86/kernel/cpu/common_64.c @@ -349,7 +349,11 @@ void __cpuinit detect_ht(struct cpuinfo_x86 *c) } index_msb = get_count_order(smp_num_siblings); +#ifdef CONFIG_X86_64 c->phys_proc_id = phys_pkg_id(index_msb); +#else + c->phys_proc_id = phys_pkg_id(c->initial_apicid, index_msb); +#endif smp_num_siblings = smp_num_siblings / c->x86_max_cores; @@ -357,8 +361,13 @@ void __cpuinit detect_ht(struct cpuinfo_x86 *c) core_bits = get_count_order(c->x86_max_cores); +#ifdef CONFIG_X86_64 c->cpu_core_id = phys_pkg_id(index_msb) & ((1 << core_bits) - 1); +#else + c->cpu_core_id = phys_pkg_id(c->initial_apicid, index_msb) & + ((1 << core_bits) - 1); +#endif } out: -- 2.11.4.GIT