X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fsmp_processor_id.c;h=c4381d9516f658ff62c6a2fd767310c78d80b7bc;hb=8c363265d57d755e62053e9f69a1f2164e83f7ea;hp=6c90fb90e19c2ec25571947b7b98f88262e23ba4;hpb=8ed5de58cf4c45ff0ca97cb0d48d76f0e42faec6;p=linux-2.6

diff --git a/lib/smp_processor_id.c b/lib/smp_processor_id.c
index 6c90fb90e1..c4381d9516 100644
--- a/lib/smp_processor_id.c
+++ b/lib/smp_processor_id.c
@@ -7,11 +7,11 @@
 #include <linux/kallsyms.h>
 #include <linux/sched.h>
 
-unsigned int debug_smp_processor_id(void)
+notrace unsigned int debug_smp_processor_id(void)
 {
 	unsigned long preempt_count = preempt_count();
 	int this_cpu = raw_smp_processor_id();
-	cpumask_t this_mask;
+	cpumask_of_cpu_ptr_declare(this_mask);
 
 	if (likely(preempt_count))
 		goto out;
@@ -23,9 +23,9 @@ unsigned int debug_smp_processor_id(void)
 	 * Kernel threads bound to a single CPU can safely use
 	 * smp_processor_id():
 	 */
-	this_mask = cpumask_of_cpu(this_cpu);
+	cpumask_of_cpu_ptr_next(this_mask, this_cpu);
 
-	if (cpus_equal(current->cpus_allowed, this_mask))
+	if (cpus_equal(current->cpus_allowed, *this_mask))
 		goto out;
 
 	/*
@@ -37,7 +37,7 @@ unsigned int debug_smp_processor_id(void)
 	/*
 	 * Avoid recursion:
 	 */
-	preempt_disable();
+	preempt_disable_notrace();
 
 	if (!printk_ratelimit())
 		goto out_enable;
@@ -49,7 +49,7 @@ unsigned int debug_smp_processor_id(void)
 	dump_stack();
 
 out_enable:
-	preempt_enable_no_resched();
+	preempt_enable_no_resched_notrace();
 out:
 	return this_cpu;
 }