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Commit 7920c4d6 authored by Ralf Baechle's avatar Ralf Baechle
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MIPS: SMP: Don't reenable interrupts in stop_this_cpu; use WAIT instruction. 



Noticed by Anirban Sinha <ASinha@zeugmasystems.com>; patch by me.

Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent f67ae983

arch/mips/kernel/smp.c

+4 −2
Original line number Diff line number Diff line
@@ -163,8 +163,10 @@ static void stop_this_cpu(void *dummy) 
	 * Remove this CPU:

	 */

	cpu_clear(smp_processor_id(), cpu_online_map);

	local_irq_enable();	/* May need to service _machine_restart IPI */

	for (;;);		/* Wait if available. */

	for (;;) {

		if (cpu_wait)

			(*cpu_wait)();		/* Wait if available. */

	}

}



void smp_send_stop(void)