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| author | Tejun Heo <tj@kernel.org> | 2011-01-23 14:37:35 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-01-28 14:54:07 +0100 |
| commit | 12bf24a47c1a095233cc8a8b863b509a0d8e0f2c (patch) | |
| tree | ddd7e7fd5df3627d388943b751e29edeb60f6d06 | |
| parent | x86: Implement the default x86_32_early_logical_apicid() (diff) | |
| download | linux-12bf24a47c1a095233cc8a8b863b509a0d8e0f2c.tar.xz linux-12bf24a47c1a095233cc8a8b863b509a0d8e0f2c.zip | |
x86: Implement x86_32_early_logical_apicid() for bigsmp_32
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: eric.dumazet@gmail.com
Cc: yinghai@kernel.org
Cc: brgerst@gmail.com
Cc: gorcunov@gmail.com
Cc: penberg@kernel.org
Cc: shaohui.zheng@intel.com
Cc: rientjes@google.com
LKML-Reference: <1295789862-25482-10-git-send-email-tj@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/kernel/apic/bigsmp_32.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/kernel/apic/bigsmp_32.c b/arch/x86/kernel/apic/bigsmp_32.c index dd32a9b78a87..bc7ed040bb0e 100644 --- a/arch/x86/kernel/apic/bigsmp_32.c +++ b/arch/x86/kernel/apic/bigsmp_32.c @@ -45,6 +45,12 @@ static unsigned long bigsmp_check_apicid_present(int bit) return 1; } +static int bigsmp_early_logical_apicid(int cpu) +{ + /* on bigsmp, logical apicid is the same as physical */ + return early_per_cpu(x86_cpu_to_apicid, cpu); +} + static inline unsigned long calculate_ldr(int cpu) { unsigned long val, id; @@ -252,5 +258,5 @@ struct apic apic_bigsmp = { .wait_icr_idle = native_apic_wait_icr_idle, .safe_wait_icr_idle = native_safe_apic_wait_icr_idle, - .x86_32_early_logical_apicid = noop_x86_32_early_logical_apicid, + .x86_32_early_logical_apicid = bigsmp_early_logical_apicid, }; |