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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id B6DEEC7EE2F for ; Wed, 7 Jun 2023 17:25:17 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 5AC428E0002; Wed, 7 Jun 2023 13:25:17 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 55C5A8E0001; Wed, 7 Jun 2023 13:25:17 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 424988E0002; Wed, 7 Jun 2023 13:25:17 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 27C3C8E0001 for ; Wed, 7 Jun 2023 13:25:17 -0400 (EDT) Received: from smtpin20.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id ED4F01C7807 for ; Wed, 7 Jun 2023 17:25:16 +0000 (UTC) X-FDA: 80876627832.20.16C2BBB Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf14.hostedemail.com (Postfix) with ESMTP id 4341710001C for ; Wed, 7 Jun 2023 17:25:15 +0000 (UTC) Authentication-Results: imf14.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=kdJJc1XT; spf=pass (imf14.hostedemail.com: domain of kuba@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=kuba@kernel.org; dmarc=pass (policy=none) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1686158715; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=5r9dw8BzLiIHoNoHcTThaumGKT1UYsp43g5jdEYj23I=; b=DTM12NkkX/BsRocTuBLC1M/QUcYSVXtHG+GPlbZ2Z3ROTW70w2ryhZMz4bbfvhY3eaqbsQ BHX2eotqqqTiFO8Zva6VG2uCnPGFuEO29ztV03WAV4LJ6HDi5cioGTM37ruEcByojcOc5s cRSCuq1PbxVK+i64j6d4d83eUbHFglY= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1686158715; a=rsa-sha256; cv=none; b=Vg6T6TEEEb+YmqkwRvSrlQcseeAyToCyegvSLJhtrzdPFlnCZE8Fpgidk4ngOWEPufZc+m SUzza6HMXvAxMOhozjsFclaX+bwjVXB0bnbpEGMJJyhv7o5+H2JVmgDx8cReN7sjCObHLb F+Cl+D4DSnVYzlnRq9lbKVkrnCezhkI= ARC-Authentication-Results: i=1; imf14.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=kdJJc1XT; spf=pass (imf14.hostedemail.com: domain of kuba@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=kuba@kernel.org; dmarc=pass (policy=none) header.from=kernel.org Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 4BB1F63A56; Wed, 7 Jun 2023 17:25:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0C0C0C433EF; Wed, 7 Jun 2023 17:25:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1686158713; bh=55IckEdoiainGC0Thv2i7gkI02+ZQ8pyWrioShCnfI8=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=kdJJc1XTErGdBFD6i7N6VCxN7/0zh1GCh6YVKLdfEo6HwL/KBXLF6HeGmdQI+KWWI ntnrtqh6YQUqbh1exPdVMVZezUOUPVD52m9o/dR8fSocPaw1jUGKMzW5Fe/9r1jun/ DdQoFugD23UGzfO7N+VtZ9gN6llPnj5kPi0SRb+vdixDLA65tZPwrJ4BIXt+aEH3W1 8Jg76P1q1mrv4uRMTE1SGFgaMdDXj6vb4Ti1CfqMjYIMClATqxHc+iS8tKECu/87lY rcm0jyBtC1V55ADJmlcujq3LIucHuxXdiS5T5mX57vC3PwbHF+/yniO9ZIuVeT6pIv u6EVcxUNxPi+w== Date: Wed, 7 Jun 2023 10:25:12 -0700 From: Jakub Kicinski To: David Howells Cc: netdev@vger.kernel.org, Linus Torvalds , Chuck Lever , Boris Pismenny , John Fastabend , "David S. Miller" , Eric Dumazet , Paolo Abeni , Willem de Bruijn , David Ahern , Matthew Wilcox , Jens Axboe , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next v5 13/14] tls/device: Support MSG_SPLICE_PAGES Message-ID: <20230607102512.04491089@kernel.org> In-Reply-To: <20230607140559.2263470-14-dhowells@redhat.com> References: <20230607140559.2263470-1-dhowells@redhat.com> <20230607140559.2263470-14-dhowells@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4341710001C X-Rspam-User: X-Rspamd-Server: rspam11 X-Stat-Signature: ncfi8yppewdq1d9iz86bwyagohmbssyj X-HE-Tag: 1686158715-29873 X-HE-Meta: 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 HGjQuf8e uDkjrrzvAd/vSOiJDKNRpC2E6hBOzcYgtmRTpdrODNJNBQ4V7d+YhsbNT5JZQrT9LhuQhe+P5USLwvmtF1dVQqbeetEU4LprM7hII5kNZ7VDGB7VqhLFbfQWIO81TwU9ngtPYmFE7d01/oIZJQIwXCZPGKVy58pvd1h+7ugRCGVL4IwLiSIslT69Xq6oXbw3iWTzIRoyzIh+avKKQ3ZexuGqt8u2uUHcrBMLQh/SmLiwj5PXYVBH/Y4KU7Ke7X2pI4J/TkA1+v+Gz7F5DpiqTIhLoZjxPANpIFhJh93KZvVphPHyB47Pq4kjLecwlXFqdNGzm9530g5eCSe7nrm6UPBOm7PLompp1/Bl0ENLNU/o9LNQz8DMnZTGMw3c+45i0PVEnk+ZiEm9shaAHKwhe+W2dsSkbelTpZfCP0HOn/5KXEBPXyIs73MkeUXGhyJZ8aU8O9XL5CsXgKWQ= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, 7 Jun 2023 15:05:58 +0100 David Howells wrote: > Make TLS's device sendmsg() support MSG_SPLICE_PAGES. This causes pages to > be spliced from the source iterator if possible. > > This allows ->sendpage() to be replaced by something that can handle > multiple multipage folios in a single transaction. Reviewed-by: Jakub Kicinski