Received: by 10.213.65.68 with SMTP id h4csp1602188imn; Mon, 19 Mar 2018 08:28:49 -0700 (PDT) X-Google-Smtp-Source: AG47ELuipCsJNxUFPdaCR8RCbg3u1eDC6X0r0RGSAtkzfIFWR4uff5ZZ0UR+iMa3FWOkSQ/TEfZV X-Received: by 10.99.107.72 with SMTP id g69mr9352969pgc.337.1521473329600; Mon, 19 Mar 2018 08:28:49 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1521473329; cv=none; d=google.com; s=arc-20160816; b=SA+qLnIQl0RIapoi3rW9J54+qvF1ggUeCxVv6F5bAIMtpB93nEoft5H68dKF1+FU1B 8Ttq1/xuMC2gAsv3T2TkXKZDhnzjSZYcL2aTwjdhu/kNpcKXUnxF+OMsBJ9QD8DOiVfu ey6HIjVpmNNAnqDp5LizY7wVvSariMPolwVCjhKJVUPyfAgk+Xtcm7lJzMj2kVsFwyM4 DDSe7UmH+tJj6YgwVvbQJsAZjieT/ApXXAkpsOw9LL9HQJLc0I3M2aUI4sHjUVOH2kS8 Q8miGNKxHdVkbjIjpQ1wCgSdrUbYPpd8L7otJPXxr1M1TP+yHnlEKnPoq9FCviskK25D XwAA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature:arc-authentication-results; bh=Ps6K91FYv+0ECTJ2HmPDtqJR8YDWh5TcVM0qUuRVQKA=; b=XkrqtKAh93uAwJ0elb1LsG1WaFPyQeB6mAKQB6Hj6ye9CDW+rEsGVpGs3aYMal2zrQ SiO/pjGHnfQWQn75j9l4ehiSheG0sY790CAte46sT5wNfNh9Xp2jHcgwsp1Sg1+cgGOw f6qqOBA2nI8WyWo6j6jsyfO6ARwqEZdVMRDqE0WEndB6rNiBTeqsGW/Zftw7rgkBoxLN D5do37QO0A0Fm+vE/eA2xZMz9Y2bRdPkGaRyzoz8lsETmU4WgOD+qWa1ZeAqwbpgCHXL K0JTaQQba3Kh1MWu+C9XDyFkncPsR75rnkzhVlVqJ5M8mX7JO88BQhXPMmnxIFL5SRje /lEA== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=kX2O/oNE; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id e2si130756pga.394.2018.03.19.08.28.35; Mon, 19 Mar 2018 08:28:49 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=kX2O/oNE; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755747AbeCSP10 (ORCPT + 99 others); Mon, 19 Mar 2018 11:27:26 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:50146 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755497AbeCSP1Z (ORCPT ); Mon, 19 Mar 2018 11:27:25 -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=Ps6K91FYv+0ECTJ2HmPDtqJR8YDWh5TcVM0qUuRVQKA=; b=kX2O/oNEFOiuUNXuNygwpe/74 ++q2vdUKtW+npd6og0YkFpOoBHCV4dohmYZB5MmenRGBcUDgcu5K5tyvewLBbCC8VvSjKumyXY4av tUXWYeqrrRjLPWMBTq/0CplYJE+qZsUHobljbDEq8Rocp0VJY9UtIGDR9N65QvHF7syPA4VRKXQwf nWZE2aq6v7PSwW1kgbVDoW9LSqrnuGGFsa3MrxI+C3sR7r7Wf3492mXs6s3tjlbZwhrXOgzP8j7Iv Xefd1VnIIybSo3/a/2t3NQJgVDEjQy2WTluuIxWkZlP8WYzJtBpnITdwhy4xKFZi5tUEs6ITeSyLA 2Q6UuBYGA==; Received: from hch by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1exwh0-0008LY-NW; Mon, 19 Mar 2018 15:27:22 +0000 Date: Mon, 19 Mar 2018 08:27:22 -0700 From: Christoph Hellwig To: Rahul Lakkireddy Cc: x86@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, davem@davemloft.net, akpm@linux-foundation.org, torvalds@linux-foundation.org, ganeshgr@chelsio.com, nirranjan@chelsio.com, indranil@chelsio.com Subject: Re: [RFC PATCH 0/3] kernel: add support for 256-bit IO access Message-ID: <20180319152722.GA31104@infradead.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 Mon, Mar 19, 2018 at 07:50:33PM +0530, Rahul Lakkireddy wrote: > This series of patches add support for 256-bit IO read and write. > The APIs are readqq and writeqq (quad quadword - 4 x 64), that read > and write 256-bits at a time from IO, respectively. What a horrible name. please encode the actual number of bits instead.