X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=arch%2Fpowerpc%2Fplatforms%2Fpowernv%2Fsmp.c;h=1601a1ea02c4322cbc53f21d00b6f56c039e2276;hb=f6869e7fe657bd977e72954cd78c5871a6a4f71d;hp=b370b86263a6181b068ab18eeb60e6d730462f77;hpb=cec4b7eaf09d330e94e8e94133d360e6f1855974;p=firefly-linux-kernel-4.4.55.git

diff --git a/arch/powerpc/platforms/powernv/smp.c b/arch/powerpc/platforms/powernv/smp.c
index b370b86263a6..1601a1ea02c4 100644
--- a/arch/powerpc/platforms/powernv/smp.c
+++ b/arch/powerpc/platforms/powernv/smp.c
@@ -30,6 +30,7 @@
 #include <asm/cputhreads.h>
 #include <asm/xics.h>
 #include <asm/opal.h>
+#include <asm/runlatch.h>
 #include <asm/code-patching.h>
 
 #include "powernv.h"
@@ -157,7 +158,9 @@ static void pnv_smp_cpu_kill_self(void)
 	 */
 	mtspr(SPRN_LPCR, mfspr(SPRN_LPCR) & ~(u64)LPCR_PECE1);
 	while (!generic_check_cpu_restart(cpu)) {
+		ppc64_runlatch_off();
 		power7_nap();
+		ppc64_runlatch_on();
 		if (!generic_check_cpu_restart(cpu)) {
 			DBG("CPU%d Unexpected exit while offline !\n", cpu);
 			/* We may be getting an IPI, so we re-enable