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

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

arch/blackfin/mach-common/smp.c

+6 −1
Original line number Original line Diff line number Diff line
@@ -295,10 +295,15 @@ EXPORT_SYMBOL_GPL(smp_call_function_single); 




void smp_send_reschedule(int cpu)

void smp_send_reschedule(int cpu)

{

{

	cpumask_t callmap;

	/* simply trigger an ipi */

	/* simply trigger an ipi */

	if (cpu_is_offline(cpu))

	if (cpu_is_offline(cpu))

		return;

		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;

	return;

}

}