arch/tile: implement panic_smp_self_stop()



This allows the later-panicking tiles to wait in a lower power state
until they get interrupted with an smp_send_stop().

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>

parent 8c92ba6c

arch/tile/kernel/smp.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -113,6 +113,12 @@ void smp_send_stop(void)
		send_IPI_allbutself(MSG_TAG_STOP_CPU);
		}

		/* On panic, just wait; we may get an smp_send_stop() later on. */
		void panic_smp_self_stop(void)
		{
		while (1)
		asm("nap; nop");
		}

		/*
		* Dispatch code called from hv_message_intr() for HV_MSG_TILE hv messages.