From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 41991C43381 for ; Mon, 11 Mar 2019 15:47:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0D40F20657 for ; Mon, 11 Mar 2019 15:47:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="B5A2tsH2" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727576AbfCKPrA (ORCPT ); Mon, 11 Mar 2019 11:47:00 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:36908 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726675AbfCKPq7 (ORCPT ); Mon, 11 Mar 2019 11:46:59 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=C+qz6JiqwVYBZHajEVbScMdi8y6lSsNbkpQ6wInWVNs=; b=B5A2tsH2s/+vYQnPvr/LRR6Dx Z5uiQJzXB9gwg0KsLj6S6y8u0u0YZWi6mcxC+pni5lM5cG2miMxbDXUaUE9ywb/JrPY2Wg0FgVLFt 6mqceM8aQ5VKpMvNOIZsgpn3MCFBlqr/XBheAE1+v7lZ/dSLoZGuw65Le+Qw04h2DEoPlbn2jI9ig 16bGF1MXB76CskTKW+MSMAXKYbjm4374MkcEKQOiYXcAS7MS+bxRBs+dSx3ScvCaHz+lqa/Xr2BT1 IGTIOIjYCL+XnLzpWuwXxpumWJpIwwm1wH/DSQPWYVhbBRu5wxEAG7jvLB4jfA09DwIvB577riITu 3xGzxdrQw==; Received: from hch by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1h3N8h-0002i5-88; Mon, 11 Mar 2019 15:46:55 +0000 Date: Mon, 11 Mar 2019 08:46:55 -0700 From: Christoph Hellwig To: Antoine Tenart Cc: Christoph Hellwig , Brian Brooks , David Miller , maxime.chevallier@bootlin.com, ymarkman@marvell.com, stefanc@marvell.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bjorn.topel@intel.com, brian.brooks@arm.com Subject: Re: [PATCH] net: mvpp2: avoid bouncing buffers Message-ID: <20190311154655.GB28982@infradead.org> References: <20180820024730.9147-1-brian.brooks@linaro.org> <20180819.195505.1988137313680465320.davem@davemloft.net> <20180820062326.GA22222@infradead.org> <20180827135524.fv4mxkwjn5bv7p5e@di3> <20180827154843.GA25821@infradead.org> <20190301142602.GC3554@kwain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190301142602.GC3554@kwain> User-Agent: Mutt/1.9.2 (2017-12-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Mar 01, 2019 at 03:26:02PM +0100, Antoine Tenart wrote: > Hi Christoph, > > I saw you sent this patch as part of another series back in August, but > it seems it was never applied and I can't find it even in -next. We made > some tests and this patch is helping a lot the PPv2 engine driver in > improving its performances. > > Do you plan on re-sending it, or reworking it? Are there current issues > with it that prevent it from being merged upstream? Can we help in any > way? Hi Antoine, it's been a while, but my vague memory is that this caused failures in some ARM setups, and I was tought why for AMBA setting up the default mask is a bad idea. I don't really remember more, though.