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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6CEB0EE57DE for ; Fri, 8 Sep 2023 08:01:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=7HdVRLzpebgkxgPWACh2/jKIBQKRbkJgOHguENZ3+YA=; b=p1JY1/6gmw6f3O ZSc1ESBWFZgS0lsK8zmWv3hn5KhxDxducv85GzrrftRfS7Y7KTEsc+vALonzO4TPy71miVLU06viS Kx60vn8T0ys9vFWvpB9Uz9Pt2cfDYfBedK8aTegXvx/aGBSAviWrIsc0LayTGU+VWxZN2QLMGG4ls nzBQu+iT9QbooFoeFOa6OC7eG6o/ADMz2B2CpJFiHAvtkPOnG1tq1XJBfwQouiiRkUpSGUrWCjfEA W+gfDaU2IIt4rMCpnE4IGSKo+OwTdlFYTlds1xgB31YQmja5+Pbulx7yoKLYYq9APetA5Z9im8ujx TJOTo94xK8D99hIJ+s+w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qeWQ6-00DHhE-38; Fri, 08 Sep 2023 08:00:50 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qeWQ3-00DHfH-1t for linux-arm-kernel@lists.infradead.org; Fri, 08 Sep 2023 08:00:49 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 131A86732D; Fri, 8 Sep 2023 10:00:32 +0200 (CEST) Date: Fri, 8 Sep 2023 10:00:31 +0200 From: Christoph Hellwig To: Petr =?utf-8?B?VGVzYcWZw61r?= Cc: Jonathan Corbet , Petr Tesarik , Stefano Stabellini , Russell King , Thomas Bogendoerfer , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" , "H. Peter Anvin" , Greg Kroah-Hartman , "Rafael J. Wysocki" , Juergen Gross , Oleksandr Tyshchenko , Christoph Hellwig , Marek Szyprowski , Robin Murphy , Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , Andrew Morton , Vlastimil Babka , Roman Gushchin , Hyeonggon Yoo <42.hyeyoo@gmail.com>, Petr Tesarik , Andy Shevchenko , Hans de Goede , James Seo , James Clark , Kees Cook , "moderated list:XEN HYPERVISOR ARM" , "moderated list:ARM PORT" , open list , "open list:MIPS" , "open list:XEN SWIOTLB SUBSYSTEM" , "open list:SLAB ALLOCATOR" , Roberto Sassu Subject: Re: [PATCH v7 9/9] swiotlb: search the software IO TLB only if the device makes use of it Message-ID: <20230908080031.GA7848@lst.de> References: <87a5uz3ob8.fsf@meer.lwn.net> <87il8wr348.fsf@meer.lwn.net> <20230907131223.587c1a88@meshulam.tesarici.cz> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230907131223.587c1a88@meshulam.tesarici.cz> User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230908_010047_785656_461054C4 X-CRM114-Status: GOOD ( 13.36 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gVGh1LCBTZXAgMDcsIDIwMjMgYXQgMDE6MTI6MjNQTSArMDIwMCwgUGV0ciBUZXNhxZnDrWsg d3JvdGU6Cj4gSGkgYWxsLAo+IAo+IHNvcnJ5IGZvciBteSBsYXRlIHJlcGx5OyBJJ3ZlIGJlZW4g YXdheSBmcm9tIG15IHdvcmsgc2V0dXAgZm9yIGEKPiBtb250aC4uLgoKUGxlYXNlIHRha2UgYSBs b29rIGF0OgoKaHR0cHM6Ly9sb3JlLmtlcm5lbC5vcmcvbGludXgtaW9tbXUvMjAyMzA5MDUwNjQ0 NDEuMTI3NTg4LTEtaGNoQGxzdC5kZS9ULyN1CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgt YXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3Jn L21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=