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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 332D0EB64DD for ; Fri, 23 Jun 2023 10:10:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231688AbjFWKKI (ORCPT ); Fri, 23 Jun 2023 06:10:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45998 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231895AbjFWKJv (ORCPT ); Fri, 23 Jun 2023 06:09:51 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A5355273A for ; Fri, 23 Jun 2023 03:07:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1687514821; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=a8zctNHXPgKBvwmbSrMZOmVOWXmFLWvtXxUTrnOkd+k=; b=O/7+dRYSXSGekk2lPzc6+dLlCHfMnpmhCzPfcCFRihR2Uq3IY0MhB2Ysq4MEliM8V7YwQm RbMJeJct0YydFxIlIXaDD5Q+MT1YqJvc54BabKqEXnNx6hWHQ8bJc3UD+uICWseRS5efYU XpMfEBhxoZ9jozr5zBVbnxCk1zQr7N0= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-140-kstXw8CJPgO8BATJTV0qIA-1; Fri, 23 Jun 2023 06:06:56 -0400 X-MC-Unique: kstXw8CJPgO8BATJTV0qIA-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 42DE11C07257; Fri, 23 Jun 2023 10:06:54 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.42.28.4]) by smtp.corp.redhat.com (Postfix) with ESMTP id CB61E2166B25; Fri, 23 Jun 2023 10:06:52 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: References: <20230622191134.54d5cb0b@kernel.org> <20230622132835.3c4e38ea@kernel.org> <20230622111234.23aadd87@kernel.org> <20230620145338.1300897-1-dhowells@redhat.com> <20230620145338.1300897-2-dhowells@redhat.com> <1952674.1687462843@warthog.procyon.org.uk> <1958077.1687474471@warthog.procyon.org.uk> <1969749.1687511298@warthog.procyon.org.uk> To: Paolo Abeni Cc: dhowells@redhat.com, Jakub Kicinski , Eric Dumazet , netdev@vger.kernel.org, Alexander Duyck , "David S. Miller" , Willem de Bruijn , David Ahern , Matthew Wilcox , Jens Axboe , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Menglong Dong Subject: Re: [PATCH net-next v3 01/18] net: Copy slab data for sendmsg(MSG_SPLICE_PAGES) MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <2048547.1687514811.1@warthog.procyon.org.uk> Date: Fri, 23 Jun 2023 11:06:51 +0100 Message-ID: <2048548.1687514811@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Paolo Abeni wrote: > I'm unsure I follow the above ?!? I *thought* sendpage could be killed > even without patch 1/18 and 2/18, leaving some patches in this series > unmodified, and mangling those explicitly leveraging 1/18 to use > multiple sendmsg()s with different flags? That's what I meant. With the example, I was showing the minimum needed replacement for a call to sendpage. David