From mboxrd@z Thu Jan  1 00:00:00 1970
From: jason@lakedaemon.net (Jason Cooper)
Date: Tue, 19 Mar 2013 07:06:20 -0400
Subject: [PATCH v3 0/9] refactoring for mask_cache
In-Reply-To: <20130319100352.GB2419@localhost>
References: <1363277430-21325-1-git-send-email-holger.brunck@keymile.com>
 <1363615255-18200-1-git-send-email-gerlando.falauto@keymile.com>
 <20130319100352.GB2419@localhost>
Message-ID: <20130319110620.GO13280@titan.lakedaemon.net>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Tue, Mar 19, 2013 at 07:03:53AM -0300, Ezequiel Garcia wrote:
> Hi Gerlando,
> 
> On Mon, Mar 18, 2013 at 03:00:46PM +0100, Gerlando Falauto wrote:
> > here is a patchset to address the issue found with Orion, in incremental
> > stages as Thomas suggested.
> > a) we introduce the new fields and pointer (though only the shared one is used)
> > b) we convert all drivers to use it 
> > c) we rename the field so to force the use of the per-ct pointer
> > d) we add per-ct mask cache, provided the new flag 
> >    IRQ_GC_SEPARATE_MASK_REGISTERS is enabled
> > e) we enable the flag for orion-gpio and mvebu drivers
> > 
> > So even though I'm also providing changes for mvebu, I only
> > tested the patch on a 3.0.40 kernel with the plat-orion/gpio.c driver.
> 
> Great job! Since this is a really old bug you're fixing I believe that the
> patchset applies for stable as well as mainline.
> 
> According to Documentation/stable_kernel_rules.txt all you need to do
> is add a 'Cc: stable at vger.kernel.org' tag in your sign-off area.
> 
> Stable people will take care of picking the patch when it hits
> mainline. You should receive a mail notification about patches
> being included in stable kernels.

Yes, and if you have an idea of when the regression was introduced,
perhaps even which commit, that would be *extremely* helpful.
Otherwise, the stable folks have to expend a lot of time tracking it
down.

thx,

Jason.