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Fix some build warnings for ia64 - cpu_callin_map doesn't need to be volatile 

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Merge tag 'please-pull-rusty' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Pull ia64 fix from Tony Luck:
 "Fix some build warnings for ia64 - cpu_callin_map doesn't need to be
  volatile"

* tag 'please-pull-rusty' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  ia64: make cpu_callin_map non-volatile.
This commit is contained in:
Linus Torvalds 2015-06-02 10:58:34 -07:00
parent 161f873b89 5eda7861e3
commit 8cd9234c64
1 changed files with 2 additions and 1 deletions
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3
arch/ia64/kernel/smpboot.c
View File

@ -127,7 +127,7 @@ int smp_num_siblings = 1;
volatile int ia64_cpu_to_sapicid[NR_CPUS];
EXPORT_SYMBOL(ia64_cpu_to_sapicid);
static volatile cpumask_t cpu_callin_map;
static cpumask_t cpu_callin_map;
struct smp_boot_data smp_boot_data __initdata;
@ -477,6 +477,7 @@ do_boot_cpu (int sapicid, int cpu, struct task_struct *idle)
for (timeout = 0; timeout < 100000; timeout++) {
if (cpumask_test_cpu(cpu, &cpu_callin_map))
break; /* It has booted */
barrier(); /* Make sure we re-read cpu_callin_map */
udelay(100);
}
Dprintk("\n");