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=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 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 7FF08C3A589 for ; Tue, 20 Aug 2019 09:41:52 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (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 44BF122CF7 for ; Tue, 20 Aug 2019 09:41:52 +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="jtXhyGX6" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 44BF122CF7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id CC51EDDD; Tue, 20 Aug 2019 09:41:51 +0000 (UTC) Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 22D3DDA4; Tue, 20 Aug 2019 09:41:50 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id F3A7C12E; Tue, 20 Aug 2019 09:41:48 +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-Transfer-Encoding :Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Sender:Reply-To: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=tzn5bK3tbNsiWgQGYaxZl6ZSSnLs1CWcQlXNKSbagq0=; b=jtXhyGX6RFLZEXfdyxYVaGpe7i I/AIX1W2McUPBTSwD0AEExmIXaKs7T/fIXSvjRG9kjWzst6hw31JyidJKj3OnAqbVy7OoQF/YNdLD QA34nygptFZu9wBF719DF7LO08ZjfsRjQyv6gnpDJAkmyvN5MXR+4+1Z/nZ/5gjL3bP8LD6tXWlC5 PQuG95sOBNDun+y68Cpf9cO5wVDzDh73H1dXlwirbKgiXPhdkErbRar31Yc7Pkg9mF/EgBGp+hSaD YbrMNB3jYijcgcG1q0gx5az//hgZ2bDfcUWSSp0lOzKaGK32UhjMRis8aNos8ZhcQbVF/K0oEtw2i HEJANvzg==; Received: from hch by bombadil.infradead.org with local (Exim 4.92 #3 (Red Hat Linux)) id 1i00e7-0008Ol-OL; Tue, 20 Aug 2019 09:41:43 +0000 Date: Tue, 20 Aug 2019 02:41:43 -0700 From: Christoph Hellwig To: Tom Murphy Subject: Re: [PATCH V5 1/5] iommu/amd: Remove unnecessary locking from AMD iommu driver Message-ID: <20190820094143.GA24154@infradead.org> References: <20190815110944.3579-1-murphyt7@tcd.ie> <20190815110944.3579-2-murphyt7@tcd.ie> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190815110944.3579-2-murphyt7@tcd.ie> User-Agent: Mutt/1.11.4 (2019-03-13) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Cc: Heiko Stuebner , virtualization@lists.linux-foundation.org, Matthias Brugger , Thierry Reding , Will Deacon , Jean-Philippe Brucker , linux-samsung-soc@vger.kernel.org, Krzysztof Kozlowski , Jonathan Hunter , linux-rockchip@lists.infradead.org, Kukjin Kim , Andy Gross , linux-s390@vger.kernel.org, Gerald Schaefer , linux-arm-msm@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, David Woodhouse , linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Robin Murphy X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: iommu-bounces@lists.linux-foundation.org Errors-To: iommu-bounces@lists.linux-foundation.org T24gVGh1LCBBdWcgMTUsIDIwMTkgYXQgMTI6MDk6MzlQTSArMDEwMCwgVG9tIE11cnBoeSB3cm90 ZToKPiBXZSBjYW4gcmVtb3ZlIHRoZSBtdXRleCBsb2NrIGZyb20gYW1kX2lvbW11X21hcCBhbmQg YW1kX2lvbW11X3VubWFwLgo+IGlvbW11X21hcCBkb2VzbuKAmXQgbG9jayB3aGlsZSBtYXBwaW5n IGFuZCBzbyBubyB0d28gY2FsbHMgc2hvdWxkIHRvdWNoCj4gdGhlIHNhbWUgaW92YSByYW5nZS4g VGhlIEFNRCBkcml2ZXIgYWxyZWFkeSBoYW5kbGVzIHRoZSBwYWdlIHRhYmxlIHBhZ2UKPiBhbGxv Y2F0aW9ucyB3aXRob3V0IGxvY2tzIHNvIHdlIGNhbiBzYWZlbHkgcmVtb3ZlIHRoZSBsb2Nrcy4K CkkndmUgYmVlbiBsb29raW5nIG92ZXIgdGhlIGNvZGUgYW5kIHRyeWluZyB0byB1bmRlcnN0YW5k IGhvdyB0aGUKc3luY2hyb25pemF0aW9uIHdvcmtzLiAgSSBndWVzIHdlIHRoZSBjbXB4Y2hnNjQg aW4gZnJlZV9jbGVhcl9wdGUKaXMgdGhlIGltcG9ydGFudCBwb2ludCBoZXJlPyAgSSBoYXZlIHRv IGFkbWl0IEkgZG9uJ3QgZnVsbHkgdW5kZXJzdGFuZAp0aGUgY29uY3VycmVuY3kgaXNzdWVzIGhl cmUsIGJ1dCBuZWl0aGVyIGRvIEkgdW5kZXJzdGFuZCB3aGF0IHRoZQptdXRleCB5b3UgcmVtb3Zl ZCBtaWdodCBoYXZlIGhlbHBlZCB0byBzdGFydCB3aXRoLgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwppb21tdSBtYWlsaW5nIGxpc3QKaW9tbXVAbGlzdHMu bGludXgtZm91bmRhdGlvbi5vcmcKaHR0cHM6Ly9saXN0cy5saW51eGZvdW5kYXRpb24ub3JnL21h aWxtYW4vbGlzdGluZm8vaW9tbXU=