From: Greg KH <gregkh@linuxfoundation.org>
To: Fabio Estevam <festevam@gmail.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>,
stable <stable@vger.kernel.org>,
Fabio Estevam <fabio.estevam@nxp.com>
Subject: Re: [PATCH v2] irqchip/gic: Allow self-SGIs for SMP on UP configurations
Date: Fri, 9 Sep 2016 18:10:10 +0200 [thread overview]
Message-ID: <20160909161010.GA21271@kroah.com> (raw)
In-Reply-To: <CAOMZO5BAW0RgZe4w4bMEL8pvxZ8epesqPJRaujLxigphd6Nz4w@mail.gmail.com>
On Fri, Sep 09, 2016 at 12:48:34PM -0300, Fabio Estevam wrote:
> Hi Marc,
>
> On Fri, Sep 9, 2016 at 12:42 PM, Marc Zyngier <marc.zyngier@arm.com> wrote:
>
> >> Without this patch imx6ul SoC hangs after a 'reboot' command.
> >
> > But that's not a regression, right? It *never* worked before, as far as
> > I know, because we never supported such a configuration in the past.
>
> imx6ul is supported since kernel 4.3.
>
> > I'm a bit concerned when I see backporting random patches to random
> > kernel versions for things that are not bugs. I'll leave it up to Greg
> > to decide, but I thought I should point out what this patch actually is.
>
> Not bugs? I consider the hang I get after running 'reboot' on imx6ul a bug.
>
> According to Documentation/stable_kernel_rules.txt :
>
> " - It must fix a problem that causes a build error (but not for things
> marked CONFIG_BROKEN), an oops, a hang, data corruption, a real
> security issue, or some "oh, that's not good" issue. In short, something
> critical. "
>
> , so that's why I submitted for stable inclusion.
But if it never worked to start with, that's not really a regression,
that is a "make new hardware work" type thing.
Did it work properly in 4.3? What caused support for this hardware to
break?
thanks,
greg k-h
prev parent reply other threads:[~2016-09-09 16:10 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-09 13:44 [PATCH v2] irqchip/gic: Allow self-SGIs for SMP on UP configurations Fabio Estevam
2016-09-09 14:40 ` Marc Zyngier
2016-09-09 15:31 ` Fabio Estevam
2016-09-09 15:42 ` Marc Zyngier
2016-09-09 15:48 ` Fabio Estevam
2016-09-09 16:06 ` Marc Zyngier
2016-09-09 16:12 ` Greg KH
2016-09-09 16:10 ` Greg KH [this message]
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