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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-06-02 10:58:34 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-06-02 10:58:34 -0700 |
| commit | 8cd9234c64c584432f6992fe944ca9e46ca8ea76 (patch) | |
| tree | 9b2ef6326738e7121ce810859f149789f5df518a | |
| parent | 161f873b89136eb1e69477c847d5a5033239d9ba (diff) | |
| parent | 5eda7861e347ffe927ecde5abd74d7b13ae938fa (diff) | |
| download | linux-8cd9234c64c584432f6992fe944ca9e46ca8ea76.tar.bz2 | |
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.
| -rw-r--r-- | arch/ia64/kernel/smpboot.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c index 15051e9c2c6f..b054c5c6e713 100644 --- a/arch/ia64/kernel/smpboot.c +++ b/arch/ia64/kernel/smpboot.c @@ -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"); |