From 95acdc07124f329ef3088a9bc68af905804b2e6b Mon Sep 17 00:00:00 2001 From: Nicholas Piggin Date: Tue, 13 Jun 2017 23:05:52 +1000 Subject: [PATCH] powerpc/64s/idle: Predict HMI wakeup as unlikely In a busy system, idle wakeups can be expected from IPIs and device interrupts. Reviewed-by: Gautham R. Shenoy Signed-off-by: Nicholas Piggin Signed-off-by: Michael Ellerman --- arch/powerpc/kernel/idle_book3s.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/idle_book3s.S b/arch/powerpc/kernel/idle_book3s.S index ebe80b5d5ce4..1ea14b96f126 100644 --- a/arch/powerpc/kernel/idle_book3s.S +++ b/arch/powerpc/kernel/idle_book3s.S @@ -306,7 +306,7 @@ FTR_SECTION_ELSE_NESTED(66); \ rlwinm r0,r12,45-31,0xe; /* P7 wake reason field is 3 bits */ \ ALT_FTR_SECTION_END_NESTED_IFSET(CPU_FTR_ARCH_207S, 66); \ cmpwi r0,0xa; /* Hypervisor maintenance ? */ \ - bne 20f; \ + bne+ 20f; \ /* Invoke opal call to handle hmi */ \ ld r2,PACATOC(r13); \ ld r1,PACAR1(r13); \ -- 2.20.1