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 for <linuxppc-dev@lists.ozlabs.org> from <ego@linux.vnet.ibm.com>;
 Mon, 12 Jun 2017 09:03:29 -0600
Date: Mon, 12 Jun 2017 20:33:22 +0530
From: Gautham R Shenoy <ego@linux.vnet.ibm.com>
To: Nicholas Piggin <npiggin@gmail.com>
Cc: linuxppc-dev@lists.ozlabs.org,
 "Gautham R . Shenoy" <ego@linux.vnet.ibm.com>,
 "Shreyas B . Prabhu" <shreyas@linux.vnet.ibm.com>
Subject: Re: [PATCH 09/14] powerpc/64s: idle hmi wakeup is unlikely
Reply-To: ego@linux.vnet.ibm.com
References: <20170611235835.7400-1-npiggin@gmail.com>
 <20170611235835.7400-10-npiggin@gmail.com>
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On Mon, Jun 12, 2017 at 09:58:30AM +1000, Nicholas Piggin wrote:
> In a busy system, idle wakeups can be expected from IPIs and device
> interrupts.
> 
> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>

Reviewed-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
> ---
>  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 6305d4d7a268..32b76fb28352 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);						\
> -- 
> 2.11.0
>