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>

diff --git a/arch/x86/kernel/apic/bigsmp_32.c b/arch/x86/kernel/apic/bigsmp_32.c
index dd32a9b78a87f8cbb730a84407278344ca7ad69a..bc7ed040bb0e1718c5f03b919147da47a33dbba1 100644 (file)
--- 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,
 };