Commit f9e417e9 authored Sep 21, 2010 by Tony Lindgren Committed by Russell King Oct 04, 2010

ARM: 6402/1: Don't send IPI in smp_send_stop if there's only one CPU



No need to send IPI if there's one CPU, especially when booting
systems with CONFIG_SMP_ON_UP that may not even support IPI.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

parent f00ec48f

arch/arm/kernel/smp.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -567,6 +567,7 @@ void smp_send_stop(void)
		{
		cpumask_t mask = cpu_online_map;
		cpu_clear(smp_processor_id(), mask);
		if (!cpus_empty(mask))
		send_ipi_message(&mask, IPI_CPU_STOP);
		}