linux-kernel - Re: [PATCH] clocksource: sh_tmu: Set cpu_possible

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Message-ID: <2833437.mUHC45LYXV@avalon>
Date:	Fri, 19 Dec 2014 02:46:37 +0200
From:	Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:	Magnus Damm <magnus.damm@...il.com>
Cc:	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	SH-Linux <linux-sh@...r.kernel.org>,
	"Simon Horman [Horms]" <horms@...ge.net.au>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] clocksource: sh_tmu: Set cpu_possible_mask to fix SMP broadcast

Hi Magnus,

On Friday 19 December 2014 09:03:00 Magnus Damm wrote:
> On Wed, Dec 17, 2014 at 11:08 AM, Laurent Pinchart wrote:
> > Magnus, you have told me that you've performed tests on Marzen with
> > CONFIG_PREEMPT_NONE and with both TWD enabled and disabled. If you could
> > perform the same tests with CONFIG_PREEMPT instead without noticing any
> > regression I think we can merge your patch. Whatever breakage it has
> > caused in the past is likely hidden somewhere beyond eyesight.
> 
> I've now successfully boot tested the different PREEMPT settings on
> r8a7779 Marzen multiplatform. Everything seems to work as expected.
> 
> Compared to before I've been a bit more lazy, so I've kept the timer
> config to default which means TWD and TMU enabled.

If your test setup is still around could you quickly test PREEMPT + TMU 
without TWD ?

> The kernel tree is renesas-devel-20141218-v3.18 which is v3.18 plus local
> integration stuff including TWD DT. I've applied this patch too.

-- 
Regards,

Laurent Pinchart

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