summaryrefslogtreecommitdiff
path: root/arch/s390/kernel/smp.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2009-11-19 06:19:03 (GMT)
committerDavid S. Miller <davem@davemloft.net>2009-11-19 06:19:03 (GMT)
commit3505d1a9fd65e2d3e00827857b6795d9d8983658 (patch)
tree941cfafdb57c427bb6b7ebf6354ee93b2a3693b5 /arch/s390/kernel/smp.c
parentdfef948ed2ba69cf041840b5e860d6b4e16fa0b1 (diff)
parent66b00a7c93ec782d118d2c03bd599cfd041e80a1 (diff)
downloadlinux-fsl-qoriq-3505d1a9fd65e2d3e00827857b6795d9d8983658.tar.xz
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/sfc/sfe4001.c drivers/net/wireless/libertas/cmd.c drivers/staging/Kconfig drivers/staging/Makefile drivers/staging/rtl8187se/Kconfig drivers/staging/rtl8192e/Kconfig
Diffstat (limited to 'arch/s390/kernel/smp.c')
-rw-r--r--arch/s390/kernel/smp.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index c932caa..93e5203 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -76,7 +76,6 @@ static int cpu_stopped(int cpu)
__u32 status;
switch (signal_processor_ps(&status, 0, cpu, sigp_sense)) {
- case sigp_order_code_accepted:
case sigp_status_stored:
/* Check for stopped and check stop state */
if (status & 0x50)
@@ -638,6 +637,8 @@ void __cpu_die(unsigned int cpu)
/* Wait until target cpu is down */
while (!cpu_stopped(cpu))
cpu_relax();
+ while (signal_processor_p(0, cpu, sigp_set_prefix) == sigp_busy)
+ udelay(10);
smp_free_lowcore(cpu);
pr_info("Processor %d stopped\n", cpu);
}
@@ -645,8 +646,8 @@ void __cpu_die(unsigned int cpu)
void cpu_die(void)
{
idle_task_exit();
- signal_processor(smp_processor_id(), sigp_stop);
- BUG();
+ while (signal_processor(smp_processor_id(), sigp_stop) == sigp_busy)
+ cpu_relax();
for (;;);
}