From mboxrd@z Thu Jan 1 00:00:00 1970 From: Felipe Balbi Subject: Re: [PATCH] irqchip: omap-intc: improve IRQ handler Date: Mon, 20 Jul 2015 11:44:08 -0500 Message-ID: <20150720164408.GB31951@saruman.tx.rr.com> References: <1420224433-27001-1-git-send-email-balbi@ti.com> <20150119213458.GK18552@atomide.com> <20150715064923.GA17550@atomide.com> Reply-To: balbi@ti.com Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============4646255388095684781==" Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Thomas Gleixner Cc: Jason Cooper , Aaro Koskinen , Tony Lindgren , Felipe Balbi , Linux OMAP Mailing List , Linux ARM Kernel Mailing List List-Id: linux-omap@vger.kernel.org --===============4646255388095684781== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="dTy3Mrz/UPE2dbVg" Content-Disposition: inline --dTy3Mrz/UPE2dbVg Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jul 15, 2015 at 02:36:54PM +0200, Thomas Gleixner wrote: > On Wed, 15 Jul 2015, Tony Lindgren wrote: > > Felipe, > >=20 > > * Tony Lindgren [150119 13:41]: > > > * Felipe Balbi [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. > > > >=20 > > > > 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. > > > >=20 > > > > 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. > > > >=20 > > > > Tested with BeagleBoneBlack Rev A5C. > > > >=20 > > > > Signed-off-by: Felipe Balbi > > >=20 > > > Jason, looks like this is not showing up in Linux next. The > > > same for the changes I did for dm81xx. > >=20 > > Can you please resend this to Jason? Looks like this > > is still not merged. >=20 > Please send it to me asap and please cc lkml on irqchip patches. building and testing again. Will resend shortly --=20 balbi --dTy3Mrz/UPE2dbVg Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJVrSVXAAoJEIaOsuA1yqREKHAQALRBTyQcTkcrDvZ8MClpU76/ TkiIjbDYHzE5HTZPRWa4zqRV8FH0tEglEUvO5Ex+J36Y0Cl+zxSKwEul3D6E/lVo aCJtnAy/kdOekYlQ3vlO1kYGG2WCQTyERd4pwaBjhlML/4yYPY6bNDTXOS8B70ES wHYvYoFSjtG7a5RxHl8Rj3hjqqDWWMnZ+SxxNKh8TB+HCI8ppWLJaO6dFyUAhIuE Lz/UmK2wcyqdFqiX6kD87SRJqgxrjJt+RqObUVolu+0Eq+PmKxtaRjapCzKeC+Xs /B5Mena8bEbSmQFBZbElyTKMjovPcdQWIjW9h52B4O2NhVm52tPC1+oPJkdq/G3v EfRC1++nhAsaa5dCwmQj2lal+QhBMSmb6IgZXIsuYPWiJWoWaQaUhxkHwIuOpQlt 50IDXyfdKq8/zID+0e6jP4I0CQ/rPTVZrPrb/Tcr9Lnx8DqqapYCpSNJjaYNXdg/ VQzGEdt0PzGmJHrXEWFJ8pQfWrwZiGMpQqT+O93Zxjm+8oFmklccLXXP0obyAcSJ WVlzE9kNYrCz0UGNBfZnlFyjqpYdFJ35kkDFaTZVhAUt/IcdonelbgWJJUCWNZxS TIGwtx64DgWyY8M2LG38U8k+u5rmh/QCv2DetuDsu/zIIUoFQf3z1krrmlARdnk9 YKjF/KL4oYhGyEhIv1Mb =+Kbs -----END PGP SIGNATURE----- --dTy3Mrz/UPE2dbVg-- --===============4646255388095684781== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============4646255388095684781==--