From: leroy christophe <christophe.leroy@c-s.fr>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-rt-users@vger.kernel.org
Subject: Re: Oops during Init IRQ
Date: Tue, 19 Jun 2012 10:48:14 +0200 [thread overview]
Message-ID: <4FE03CCE.8000603@c-s.fr> (raw)
In-Reply-To: <alpine.LFD.2.02.1206181949160.3086@ionos>
Hello,
Yes it does fix the issue.
Thanks a lot.
Shall I do anything to ask for this change to be included either in the
kernel or in the rt patch ?
Best regards
Christophe
Le 18/06/2012 19:53, Thomas Gleixner a écrit :
> On Mon, 18 Jun 2012, leroy christophe wrote:
>
>> Hello,
>>
>> I'm trying to use the rt10 patch on a 3.4.2 kernel on a powerpc (MPC8xx)
>> system, and I'm having the following Oops during Irq initialisation. This
>> happens with CONFIG_PREEMPT_RT_FULL.
>> It doesn't happen with CONFIG_PREEMPT__LL
>>
>> May someone help ?
> Does the following uncompiled and untested patch fix it for you ?
>
> Thanks,
>
> tglx
>
>
> Index: linux-3.4/arch/powerpc/platforms/8xx/m8xx_setup.c
> ===================================================================
> --- linux-3.4.orig/arch/powerpc/platforms/8xx/m8xx_setup.c
> +++ linux-3.4/arch/powerpc/platforms/8xx/m8xx_setup.c
> @@ -43,6 +43,7 @@ static irqreturn_t timebase_interrupt(in
>
> static struct irqaction tbint_irqaction = {
> .handler = timebase_interrupt,
> + .flags = IRQF_NO_THREAD,
> .name = "tbint",
> };
>
> Index: linux-3.4/arch/powerpc/sysdev/cpm1.c
> ===================================================================
> --- linux-3.4.orig/arch/powerpc/sysdev/cpm1.c
> +++ linux-3.4/arch/powerpc/sysdev/cpm1.c
> @@ -120,6 +120,7 @@ static irqreturn_t cpm_error_interrupt(i
>
> static struct irqaction cpm_error_irqaction = {
> .handler = cpm_error_interrupt,
> + .flags = IRQF_NO_THREAD,
> .name = "error",
> };
>
>
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next prev parent reply other threads:[~2012-06-19 8:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-18 13:53 Oops during Init IRQ leroy christophe
2012-06-18 17:53 ` Thomas Gleixner
2012-06-19 8:48 ` leroy christophe [this message]
2012-06-20 6:40 ` Thomas Gleixner
2012-06-20 11:33 ` Steven Rostedt
2012-06-22 11:30 ` Steven Rostedt
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