Commit 0b2b06ef authored by Steven Miao's avatar Steven Miao Committed by Mike Frysinger

Blackfin: SMP: fix scheduling deadlock

Make sure our smp_send_reschedule() implementation matches the
scheduler_ipi() callback so that it can kick the idle cpu.
Signed-off-by: default avatarSteven Miao <realmz6@gmail.com>
Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
parent 74b65417
......@@ -295,10 +295,15 @@ EXPORT_SYMBOL_GPL(smp_call_function_single);
void smp_send_reschedule(int cpu)
{
cpumask_t callmap;
/* simply trigger an ipi */
if (cpu_is_offline(cpu))
return;
platform_send_ipi_cpu(cpu, IRQ_SUPPLE_0);
cpumask_clear(&callmap);
cpumask_set_cpu(cpu, &callmap);
smp_send_message(callmap, BFIN_IPI_RESCHEDULE, NULL, NULL, 0);
return;
}
......
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