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authorH. Peter Anvin <hpa@linux.intel.com>2014-05-22 02:23:19 +0400
committerH. Peter Anvin <hpa@linux.intel.com>2014-05-22 02:23:19 +0400
commite6ab9a20e73e790d47e6aa231fcf66f27b6ce3d4 (patch)
tree6a41361e1de2a6693ccae96b99307e79a467236f /arch/powerpc/platforms/powernv/smp.c
parent34273f41d57ee8d854dcd2a1d754cbb546cb548f (diff)
parent7ed6fb9b5a5510e4ef78ab27419184741169978a (diff)
downloadlinux-e6ab9a20e73e790d47e6aa231fcf66f27b6ce3d4.tar.xz
Merge commit '7ed6fb9b5a5510e4ef78ab27419184741169978a' into x86/espfix
Merge in Linus' tree with: fa81511bb0bb x86-64, modify_ldt: Make support for 16-bit segments a runtime option ... reverted, to avoid a conflict. This commit is no longer necessary with the proper fix in place. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/powerpc/platforms/powernv/smp.c')
-rw-r--r--arch/powerpc/platforms/powernv/smp.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/powernv/smp.c b/arch/powerpc/platforms/powernv/smp.c
index 908672bdcea6..bf5fcd452168 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 "powernv.h"
@@ -156,7 +157,9 @@ 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