From: Felipe Balbi <balbi@ti.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Cooper <jason@lakedaemon.net>,
Aaro Koskinen <aaro.koskinen@iki.fi>,
Tony Lindgren <tony@atomide.com>, Felipe Balbi <balbi@ti.com>,
Linux OMAP Mailing List <linux-omap@vger.kernel.org>,
Linux ARM Kernel Mailing List
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH] irqchip: omap-intc: improve IRQ handler
Date: Mon, 20 Jul 2015 11:44:08 -0500 [thread overview]
Message-ID: <20150720164408.GB31951@saruman.tx.rr.com> (raw)
In-Reply-To: <alpine.DEB.2.11.1507151435480.18576@nanos>
[-- Attachment #1.1: Type: text/plain, Size: 1283 bytes --]
On Wed, Jul 15, 2015 at 02:36:54PM +0200, Thomas Gleixner wrote:
> On Wed, 15 Jul 2015, Tony Lindgren wrote:
> > Felipe,
> >
> > * Tony Lindgren <tony@atomide.com> [150119 13:41]:
> > > * Felipe Balbi <balbi@ti.com> [150102 10:50]:
> > > > as it turns out the current IRQ number will
> > > > *always* be available from SIR register which
> > > > renders the reads of PENDING registers as plain
> > > > unnecessary overhead.
> > > >
> > > > In order to catch any situation where SIR reads
> > > > as zero, we're adding a WARN() to turn it into
> > > > a very verbose error and users actually report
> > > > it.
> > > >
> > > > With this patch average running time of
> > > > omap_intc_handle_irq() reduced from about 28.5us
> > > > to 19.8us as measured by the kernel function
> > > > profiler.
> > > >
> > > > Tested with BeagleBoneBlack Rev A5C.
> > > >
> > > > Signed-off-by: Felipe Balbi <balbi@ti.com>
> > >
> > > Jason, looks like this is not showing up in Linux next. The
> > > same for the changes I did for dm81xx.
> >
> > Can you please resend this to Jason? Looks like this
> > is still not merged.
>
> Please send it to me asap and please cc lkml on irqchip patches.
building and testing again. Will resend shortly
--
balbi
[-- Attachment #1.2: Digital signature --]
[-- Type: application/pgp-signature, Size: 819 bytes --]
[-- Attachment #2: Type: text/plain, Size: 176 bytes --]
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
prev parent reply other threads:[~2015-07-20 16:44 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-02 18:47 [PATCH] irqchip: omap-intc: improve IRQ handler Felipe Balbi
2015-01-02 21:32 ` Tony Lindgren
2015-01-02 21:39 ` Felipe Balbi
2015-01-02 22:18 ` [PATCH v2] " Felipe Balbi
2015-01-19 21:34 ` [PATCH] " Tony Lindgren
2015-07-15 8:15 ` Tony Lindgren
2015-07-15 12:36 ` Thomas Gleixner
2015-07-20 16:44 ` Felipe Balbi [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20150720164408.GB31951@saruman.tx.rr.com \
--to=balbi@ti.com \
--cc=aaro.koskinen@iki.fi \
--cc=jason@lakedaemon.net \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-omap@vger.kernel.org \
--cc=tglx@linutronix.de \
--cc=tony@atomide.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox