From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AG47ELvkv6hSkXyVxBGF39kSgAweZMf6hF7FwUA3N6DJYV1DvxVuCDYDSGNLbHx9pFo+dl5De4bM ARC-Seal: i=1; a=rsa-sha256; t=1521042408; cv=none; d=google.com; s=arc-20160816; b=zGCR63SghSkr6Jz6M8kAgnZ3cVhEDA48K2dgjAWIkTioDeAbV4F3EQB95cZbL0URFh Z9HN9EhByJNMtw8Q7dukaeDjAk3IVIVMh91EaqFO1Ev3Gk8R0g7CNj6IQ+C33e03pRO4 ZFe2YY3X+QpMKR7n1/ZHnbRtPkBzyWZ2w/Fbqj17pTpnLRsM3iKJtxxyZQ92R3ePeckM vTGcjhNMySQausbBsiKUFSNuQgCN+0e7iChQqpb9u2SIwOoDaNTO6nTLVIPKhl3Q+fWi mo+ilFLLcXQeyl5cBHi3wuZkxzsX9013/j95BxDVO7jUSsFRN23vNmlNLFj+HqXMt997 hZxw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=user-agent:in-reply-to:content-disposition:mime-version:references :message-id:subject:cc:to:from:date:dmarc-filter :arc-authentication-results; bh=MSwdj7LEtwEU9lu70NTNXu7gbsCehO6JzEMCyYfbjww=; b=qAJ78NUMP4GgdC0TSZdktSJixeaQY+5xIRUiLqofKTMRjEQOqF+pUedv+fIg2Bt4jc +tMWdvu8BIYxVGLrHOrifvp138kR52M54BoK2DKUjlvFNsG62bln/xpp66UdabCg1ENF 0XDH0aGSU52DNqnwvJiAe/2QzrgeGUw2ChEJLPX3TpGVCevn/d50Qb0pZy3jQK6YiTHD hPlaqIHg+4JZQOm56acKoIlAbT7+Rkbm67cQM7k3clSrCcsOsjQcRky3vdYAKr5o5/ka uBwmrI6ZuD3GuiSbSQbF1ARoLpWyDpxQpspwijYtRtQKw2OEeylX+MTh44oLsvKaYR7A jgPA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of jhogan@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=jhogan@kernel.org Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of jhogan@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=jhogan@kernel.org 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) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1588748156278723185?= X-GMAIL-MSGID: =?utf-8?q?1594928564431297952?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: --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--