From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Wed, 14 Mar 2018 16:47:02 +0100 (CET) Received: from mail.kernel.org ([198.145.29.99]:60584 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S23991248AbeCNPqzIH3hD (ORCPT ); Wed, 14 Mar 2018 16:46:55 +0100 Received: from saruman (jahogan.plus.com [212.159.75.221]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A407D20779; Wed, 14 Mar 2018 15:46:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A407D20779 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=jhogan@kernel.org Date: Wed, 14 Mar 2018 15:46:42 +0000 From: James Hogan To: Marc Zyngier Cc: Matt Redfearn , Ralf Baechle , Thomas Gleixner , linux-mips@linux-mips.org, Jason Cooper , Dengcheng Zhu , linux-kernel@vger.kernel.org, Philippe Ombredanne , Paul Burton , Kate Stewart , Greg Kroah-Hartman Subject: Re: [PATCH 0/6] irqchip/mips-gic: Enable & use VEIC mode if available Message-ID: <20180314154641.GA8976@saruman> References: <1515148270-9391-1-git-send-email-matt.redfearn@mips.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="ZGiS0Q5IWpPtfppv" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.7.2 (2016-11-26) Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 62975 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: jhogan@kernel.org Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips --ZGiS0Q5IWpPtfppv Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Mar 14, 2018 at 11:15:47AM +0000, Marc Zyngier wrote: > Hi Matt, >=20 > On 05/01/18 10:31, Matt Redfearn wrote: > >=20 > > This series enables the MIPS GIC driver to make use of the EIC mode > > supported in some MIPS cores. In this mode, the cores 6 interrupt lines > > are switched to represent a vector number, 0..63. Currently all GIC > > interrupts are routed to a single CPU interrupt pin, but this is > > inefficient since we end up checking both local and shared interrupt > > flag registers for both local and shared interrupts. This introduces > > additional latency into the interrupt paths. With EIC mode this can be > > improved by using separate vectors for local and shared interrupts. > >=20 > > This series is based on 4.15-rc6 and has been tested on Boston, Malta & > > SEAD3 MIPS platforms implementing a GIC with and without EIC mode > > supported in hardware. >=20 > What the status of this series? FYI I've been meaning to test it with KVM, since host EIC I think will affect KVM & guest stuff. Cheers James --ZGiS0Q5IWpPtfppv Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEd80NauSabkiESfLYbAtpk944dnoFAlqpQ+EACgkQbAtpk944 dnpXVw/9Hg45TxhejxWGfq/M8fj+8mY6Idn8dYyvd8aa5kJON8ojchFU0PaCX5AG pSnulJNecORbKX4ThakiqQsOPz9qjwSwrI1V2IQE8zlzmjLgu5FjrFM6rY4lt1/h 5466PwTZ7GefAPX0THkbG0hdqDJWGAvjIw54ga3aKE5zaNyiR+0aTYjKUdTnHUL2 XWPxBesE74w2y77q6odsJW6CsEkigIyGq5EFBSw3KJCKxW4BGo5rRY3T8Nypobgq PB54p/wNKpaUEa4usfBbwnit+oZ/x2dImTboccG3PVxKLGPN6NTtBCa4rM/kX51Q O3WxnYKrhWBum/q6y9r60u2+PzTZlAD80353eVD03ksUYUmTNI0hV6WL5oZNOKTS VlHqsHKWdTOvu0tQPR+UKLnsQyoNKfsvbavkZDu1lhuRBYDh4I/ChfFmSIVj2DtM D184cEkNJXom4LGI/w+WBokKOpMvse6yL8KOgu439XKXy8dX1/MyyQ1tA2TqkBli ylyYV6My6EYYdxtF9IFRpX2AuzLvuAcJe2GVGOh571WYyWwm8p1HdWT5COjSAG7u vVYXZlZGM5SPPiMsOeFK+PyIS7k4jV5TC3A0tVGOt7jQ6GkNj6Q1X1rAu7nxFaWC v58mKXi5FdyM0cP2rDggIo0smoZtlWm/+9+FxRfEtuXCg6JuMJs= =09L9 -----END PGP SIGNATURE----- --ZGiS0Q5IWpPtfppv--