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| author | Glauber de Oliveira Costa <gcosta@redhat.com> | 2008-03-19 14:25:02 -0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 17:40:59 +0200 |
| commit | 7a636af66404766df60acff88c475df8e8d79347 (patch) | |
| tree | 2d0d13b5de610a06f736030ac76f4166e4e99496 /arch/x86/kernel/setup_64.c | |
| parent | 4f3ab1959a63a2686524f17665d799fac28eb271 (diff) | |
| download | blackbird-op-linux-7a636af66404766df60acff88c475df8e8d79347.tar.gz blackbird-op-linux-7a636af66404766df60acff88c475df8e8d79347.zip | |
x86: provide specialized identification routines for x86_64
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>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/setup_64.c')
| -rw-r--r-- | 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 13fe525bf065..990724143c43 100644 --- a/arch/x86/kernel/setup_64.c +++ b/arch/x86/kernel/setup_64.c @@ -1036,14 +1036,24 @@ 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); |
