x86: pass in cpu number to switch_to_new_gdt()

Impact: cleanup, prepare for xen boot fix.

Xen needs to call this function very early to setup the GDT and
per-cpu segments.  Remove the call to smp_processor_id() and just
pass in the cpu number.

Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

1 files changed, 6 insertions, 5 deletions

diff --git a/arch/x86/mach-voyager/voyager_smp.c b/arch/x86/mach-voyager/voyager_smp.c
index 331cd6d56483..58c7cac3440d 100644
--- a/arch/x86/mach-voyager/voyager_smp.c
+++ b/arch/x86/mach-voyager/voyager_smp.c
@@ -1746,12 +1746,13 @@ static void __init voyager_smp_prepare_cpus(unsigned int max_cpus)
 
 static void __cpuinit voyager_smp_prepare_boot_cpu(void)
 {
-        switch_to_new_gdt();
+        int cpu = smp_processor_id();
+        switch_to_new_gdt(cpu);
 
-        cpu_set(smp_processor_id(), cpu_online_map);
-        cpu_set(smp_processor_id(), cpu_callout_map);
-        cpu_set(smp_processor_id(), cpu_possible_map);
-        cpu_set(smp_processor_id(), cpu_present_map);
+        cpu_set(cpu, cpu_online_map);
+        cpu_set(cpu, cpu_callout_map);
+        cpu_set(cpu, cpu_possible_map);
+        cpu_set(cpu, cpu_present_map);
 }
 
 static int __cpuinit voyager_cpu_up(unsigned int cpu)