From: Tejun Heo Date: Sun, 23 Jan 2011 13:37:35 +0000 (+0100) Subject: x86: Implement x86_32_early_logical_apicid() for bigsmp_32 X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=12bf24a47c1a095233cc8a8b863b509a0d8e0f2c;p=deliverable%2Flinux.git x86: Implement x86_32_early_logical_apicid() for bigsmp_32 Signed-off-by: Tejun Heo 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 --- 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, };