Commit cb210ee3 authored by Chris Metcalf's avatar Chris Metcalf
Browse files

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: default avatarChris 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.