From: Simon Horman <horms@verge.net.au>
To: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: linux-sh@vger.kernel.org, linux-mmc@vger.kernel.org,
Chris Ball <cjb@laptop.org>, Magnus Damm <magnus.damm@gmail.com>,
Paul Mundt <lethal@linux-sh.org>
Subject: Re: [PATCH 1/5] mmc: tmio: Cache interrupt masks
Date: Tue, 16 Aug 2011 17:03:39 +0900 [thread overview]
Message-ID: <20110816080338.GC12097@verge.net.au> (raw)
In-Reply-To: <Pine.LNX.4.64.1108160857420.13154@axis700.grange>
On Tue, Aug 16, 2011 at 09:19:12AM +0200, Guennadi Liakhovetski wrote:
> On Tue, 16 Aug 2011, Simon Horman wrote:
>
> > This avoids the need to look up the masks each time an interrupt
> > is handled.
>
> Yes, almost... But I think, we can use the mask-caches even more
> extensively. In your patch you actually hardly gain anything, you continue
> reading the mask register instead of using the cache. Namely:
Sure.
next prev parent reply other threads:[~2011-08-16 8:03 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-16 2:08 [PATCH 0/4 v2] mmc: tmio, sdhi: provide multiple irq handlers Simon Horman
2011-08-16 2:08 ` [PATCH 1/5] mmc: tmio: Cache interrupt masks Simon Horman
2011-08-16 7:19 ` Guennadi Liakhovetski
2011-08-16 8:03 ` Simon Horman [this message]
2011-08-16 2:08 ` [PATCH 2/5] mmc: tmio: Provide separate interrupt handlers Simon Horman
2011-08-16 7:41 ` Guennadi Liakhovetski
2011-08-16 7:59 ` Simon Horman
2011-08-16 11:13 ` Guennadi Liakhovetski
2011-08-16 11:45 ` Simon Horman
2011-08-16 2:08 ` [PATCH 3/5] mmc: sdhi: Add defines for platform irq indexes Simon Horman
2011-08-16 7:51 ` Guennadi Liakhovetski
2011-08-16 8:03 ` Simon Horman
2011-08-16 8:34 ` Guennadi Liakhovetski
2011-08-16 10:12 ` Simon Horman
2011-08-16 2:08 ` [PATCH 4/5] mmc: sdhi: Make use of per-source irq handlers Simon Horman
2011-08-16 8:30 ` Guennadi Liakhovetski
2011-08-16 2:08 ` [PATCH 5/5] ARM: shmobile: ag5evm, ap4: Make use of irq index defines Simon Horman
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