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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-05-18 13:52:44 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-05-18 13:52:44 -0700
commit936a0cd52aa5d024c583e36e2f21bf6ec2e527e4 (patch)
tree01cffc11361be7d671b71ba86463f6649b39d552 /arch/mips/kernel/smp.c
parent36bf51acc89d113f101e40f40af4ab53fbf5b60a (diff)
parente26081808edadfd257c6c9d81014e3b25e9a6118 (diff)
Merge 4.1-rc4 into staging-next
We want the fixes in here for testing and merge issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/mips/kernel/smp.c')
-rw-r--r--arch/mips/kernel/smp.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index 193ace7955fb..faa46ebd9dda 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -43,7 +43,7 @@
#include <asm/time.h>
#include <asm/setup.h>
-volatile cpumask_t cpu_callin_map; /* Bitmask of started secondaries */
+cpumask_t cpu_callin_map; /* Bitmask of started secondaries */
int __cpu_number_map[NR_CPUS]; /* Map physical to logical */
EXPORT_SYMBOL(__cpu_number_map);
@@ -218,8 +218,10 @@ int __cpu_up(unsigned int cpu, struct task_struct *tidle)
/*
* Trust is futile. We should really have timeouts ...
*/
- while (!cpumask_test_cpu(cpu, &cpu_callin_map))
+ while (!cpumask_test_cpu(cpu, &cpu_callin_map)) {
udelay(100);
+ schedule();
+ }
synchronise_count_master(cpu);
return 0;