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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <54901420.50403@linaro.org>
Date:	Tue, 16 Dec 2014 12:14:40 +0100
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	Magnus Damm <magnus.damm@...il.com>, linux-kernel@...r.kernel.org
CC:	linux-sh@...r.kernel.org, horms@...ge.net.au, geert@...ux-m68k.org,
	laurent.pinchart@...asonboard.com, tglx@...utronix.de
Subject: Re: [PATCH] clocksource: sh_tmu: Set cpu_possible_mask to fix SMP
 broadcast

On 12/16/2014 10:48 AM, Magnus Damm wrote:
> From: Magnus Damm <damm+renesas@...nsource.se>
>
> Update the TMU driver to use cpu_possible_mask as cpumask to make
> r8a7779 SMP work as expected with or without the ARM TWD timer.
>
> Signed-off-by: Magnus Damm <damm+renesas@...nsource.se>

Applied as a 3.18 fix.

Thanks !

   -- Daniel

ps: May I suggest to use the CLOCK_EVT_FEAT_DYNIRQ flag for this driver ?

> ---
>
>   drivers/clocksource/sh_tmu.c |    2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> --- 0001/drivers/clocksource/sh_tmu.c
> +++ work/drivers/clocksource/sh_tmu.c	2014-12-16 17:49:49.000000000 +0900
> @@ -428,7 +428,7 @@ static void sh_tmu_register_clockevent(s
>   	ced->features = CLOCK_EVT_FEAT_PERIODIC;
>   	ced->features |= CLOCK_EVT_FEAT_ONESHOT;
>   	ced->rating = 200;
> -	ced->cpumask = cpumask_of(0);
> +	ced->cpumask = cpu_possible_mask;
>   	ced->set_next_event = sh_tmu_clock_event_next;
>   	ced->set_mode = sh_tmu_clock_event_mode;
>   	ced->suspend = sh_tmu_clock_event_suspend;
>


-- 
  <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs

Follow Linaro:  <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/