diff options
| author | Yinghai Lu <yhlu.kernel@gmail.com> | 2008-09-04 20:09:08 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-05 09:40:52 +0200 |
| commit | 1cd78776c7d5487e3000426d0ce1ff203c5d60cd (patch) | |
| tree | 991822eb7e3e2bdd8a38de268815b2159585689b /arch/x86/kernel/cpu/common.c | |
| parent | 140fc72709278989f08eb756d16a70008bdcc409 (diff) | |
x86: cpu/common*.c, merge detect_ht()
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/cpu/common.c')
| -rw-r--r-- | arch/x86/kernel/cpu/common.c | 13 |
1 files changed, 12 insertions, 1 deletions
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: |