Re: [PATCH] PPC64: Generic hotplug cpu support

[Andrew Morton]

Zwane Mwaikambo <zwane@xxxxxxxxxxxxxxxx> wrote:
>
> Patch provides a generic hotplug cpu implementation, with the only current 
>  user being pmac.

BUG: using smp_processor_id() in preemptible [00000001] code: swapper/0
caller is .native_idle+0x30/0x60

--- 25/arch/ppc64/kernel/idle.c~ppc64-generic-hotplug-cpu-support-fix	2005-02-27 11:12:47.000000000 -0700
+++ 25-akpm/arch/ppc64/kernel/idle.c	2005-02-27 11:13:03.000000000 -0700
@@ -294,7 +294,7 @@ static int native_idle(void)
 		if (need_resched())
 			schedule();
 
-		if (cpu_is_offline(smp_processor_id()) &&
+		if (cpu_is_offline(_smp_processor_id()) &&
 		    system_state == SYSTEM_RUNNING)
 			cpu_die();
 	}
_

-
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