| From | Glauber de Oliveira Costa <> | Subject | [PATCH 07/79] [PATCH] provide specialized identification routines for x86_64 | Date | Wed, 19 Mar 2008 14:25:02 -0300 |
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From: Glauber Costa <gcosta@redhat.com>
provide two specialized identify_secondary_cpu() and identify_boot_cpu() routines for x86_64. Although not strictly needed, they are functionally correct, and will ease integration with i386
Signed-off-by: Glauber Costa <gcosta@redhat.com> --- arch/x86/kernel/setup_64.c | 14 ++++++++++++-- 1 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c index 089ce10..352aa23 100644 --- a/arch/x86/kernel/setup_64.c +++ b/arch/x86/kernel/setup_64.c @@ -1051,14 +1051,24 @@ void __cpuinit identify_cpu(struct cpuinfo_x86 *c) #endif select_idle_routine(c); - if (c != &boot_cpu_data) - mtrr_ap_init(); #ifdef CONFIG_NUMA numa_add_cpu(smp_processor_id()); #endif } +void __cpuinit identify_boot_cpu(void) +{ + identify_cpu(&boot_cpu_data); +} + +void __cpuinit identify_secondary_cpu(struct cpuinfo_x86 *c) +{ + BUG_ON(c == &boot_cpu_data); + identify_cpu(c); + mtrr_ap_init(); +} + static __init int setup_noclflush(char *arg) { setup_clear_cpu_cap(X86_FEATURE_CLFLSH); -- 1.5.0.6
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