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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 B8398C4724C for ; Mon, 4 May 2020 17:32:59 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8C91B2068E for ; Mon, 4 May 2020 17:32:59 +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="KSO+cu4K" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8C91B2068E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0EC4E6E44D; Mon, 4 May 2020 17:32:55 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by gabe.freedesktop.org (Postfix) with ESMTPS id C2C3C6E06E; Mon, 4 May 2020 16:03:17 +0000 (UTC) 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; bh=MJiG06idgkhQ7ETomKvk+pXIhWmcVzgg6Sh67pMiRa8=; b=KSO+cu4KS04f9QMSMnoEgpz4lP xEUzzhMHMNy0nNQLb/oWLnGEmta0IgfeMaWPLFVU8v0KE5Q/SQ/kf7eZZQbtkWd1mh1jOtqlamJpr YN+qE50vHOxXepS7SXteLP+Jz8YM7GoPnzdBjtA78HfjZE5ci7Ix61JXsgZmNOz3ITCwjRyIZY+8f VyOZXfNmnntPRCfh/xfRBQBe6qX2/BPIpwkpCgcPE5LJxYzBjMyx5sO7eU8s1XolUvo0+SbSxsYHA IxtQuHWPpYcGkzHJS2c5PU+nqLHZ77pbjoE7P9V0lYxoaoYguZ5auscSJkpBNu3v2LiCVcQSeLZB2 eIpOBNEQ==; Received: from hch by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jVdYo-0007fF-8J; Mon, 04 May 2020 16:03:14 +0000 Date: Mon, 4 May 2020 09:03:14 -0700 From: Christoph Hellwig To: Chris Wilson Message-ID: <20200504160314.GA26373@infradead.org> References: <20200430221016.3866-1-Jason@zx2c4.com> <20200501180731.GA2485@infradead.org> <158853721918.8377.18286963845226122104@build.alporthouse.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <158853721918.8377.18286963845226122104@build.alporthouse.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Mailman-Approved-At: Mon, 04 May 2020 17:32:53 +0000 Subject: Re: [Intel-gfx] [PATCH] drm/i915: check to see if SIMD registers are available before using SIMD X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Jason A. Donenfeld" , bigeasy@linutronix.de, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Christoph Hellwig , stable@vger.kernel.org, tglx@linutronix.de, intel-gfx@lists.freedesktop.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Sun, May 03, 2020 at 09:20:19PM +0100, Chris Wilson wrote: > > Err, why does i915 implements its own uncached memcpy instead of relying > > on core functionality to start with? > > What is this core functionality that provides movntqda? A sensible name might be memcpy_uncached or mempcy_nontemporal. But the important point is that this should be arch code with a common fallback rather than hacking it up in drivers. _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx