diff options
| author | Dave Airlie <airlied@redhat.com> | 2012-05-07 16:09:09 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-05-07 16:09:35 +0100 |
| commit | 4f256e8aa3eda15c11c3cec3ec5336e1fc579cbd (patch) | |
| tree | 33c02b5e18e79756005a3edfa7c862a47de668d5 /arch/arm/kernel/smp.c | |
| parent | 4086b1e2b19729eebf632073b9d4ab811726d8eb (diff) | |
| parent | dc257cf154be708ecc47b8b89c12ad8cd2cc35e4 (diff) | |
Merge branch 'for-airlied' of git://people.freedesktop.org/~danvet/drm-intel into drm-core-next
Daniel prepared this branch with a back-merge as git was getting
very confused about changes in intel_display.c
Diffstat (limited to 'arch/arm/kernel/smp.c')
| -rw-r--r-- | arch/arm/kernel/smp.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index addbbe8028c..f6a4d32b042 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -510,10 +510,6 @@ static void ipi_cpu_stop(unsigned int cpu) local_fiq_disable(); local_irq_disable(); -#ifdef CONFIG_HOTPLUG_CPU - platform_cpu_kill(cpu); -#endif - while (1) cpu_relax(); } @@ -576,17 +572,25 @@ void smp_send_reschedule(int cpu) smp_cross_call(cpumask_of(cpu), IPI_RESCHEDULE); } +#ifdef CONFIG_HOTPLUG_CPU +static void smp_kill_cpus(cpumask_t *mask) +{ + unsigned int cpu; + for_each_cpu(cpu, mask) + platform_cpu_kill(cpu); +} +#else +static void smp_kill_cpus(cpumask_t *mask) { } +#endif + void smp_send_stop(void) { unsigned long timeout; + struct cpumask mask; - if (num_online_cpus() > 1) { - struct cpumask mask; - cpumask_copy(&mask, cpu_online_mask); - cpumask_clear_cpu(smp_processor_id(), &mask); - - smp_cross_call(&mask, IPI_CPU_STOP); - } + cpumask_copy(&mask, cpu_online_mask); + cpumask_clear_cpu(smp_processor_id(), &mask); + smp_cross_call(&mask, IPI_CPU_STOP); /* Wait up to one second for other CPUs to stop */ timeout = USEC_PER_SEC; @@ -595,6 +599,8 @@ void smp_send_stop(void) if (num_online_cpus() > 1) pr_warning("SMP: failed to stop secondary CPUs\n"); + + smp_kill_cpus(&mask); } /* |