Re: 2.6.12-rc2-mm2

[Alexander Nyberg <alexn@dsv.su.se>]

> - Largeish x86_64 update

Hi Pavel

I'm playing a bit with suspend on smp, we need something like this:
As the cpu-mask is set to only this cpu _smp_processor_id() is safe.

Index: linux-2.6.11/kernel/power/smp.c
===================================================================
--- linux-2.6.11.orig/kernel/power/smp.c	2005-04-10 09:43:13.000000000 +0200
+++ linux-2.6.11/kernel/power/smp.c	2005-04-10 15:23:36.000000000 +0200
@@ -46,13 +46,13 @@
 
 void disable_nonboot_cpus(void)
 {
-	printk("Freezing CPUs (at %d)", smp_processor_id());
 	oldmask = current->cpus_allowed;
 	set_cpus_allowed(current, cpumask_of_cpu(0));
+	printk("Freezing CPUs (at %d)", _smp_processor_id());
 	current->state = TASK_INTERRUPTIBLE;
 	schedule_timeout(HZ);
 	printk("...");
-	BUG_ON(smp_processor_id() != 0);
+	BUG_ON(_smp_processor_id() != 0);
 
 	/* FIXME: for this to work, all the CPUs must be running
 	 * "idle" thread (or we deadlock). Is that guaranteed? */