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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 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net 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