From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 92103 invoked by alias); 21 Feb 2018 00:44:12 -0000 Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org Received: (qmail 92084 invoked by uid 89); 21 Feb 2018 00:44:11 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_PASS,SPF_PASS autolearn=ham version=3.3.2 spammy=H*RU:sk:mail.li, H*r:sk:mail.li, Hx-spam-relays-external:sk:mail.li, H*Ad:D*mozilla.org X-HELO: mail.linuxfoundation.org Received: from mail.linuxfoundation.org (HELO mail.linuxfoundation.org) (140.211.169.12) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Wed, 21 Feb 2018 00:44:10 +0000 Received: from akpm3.svl.corp.google.com (unknown [104.133.9.71]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id E25E71131; Wed, 21 Feb 2018 00:44:07 +0000 (UTC) Date: Wed, 21 Feb 2018 00:44:00 -0000 From: Andrew Morton To: Mike Rapoport Cc: Alexander Viro , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, criu@openvz.org, gdb@sourceware.org, devel@lists.open-mpi.org, rr-dev@mozilla.org, Arnd Bergmann , Pavel Emelyanov , Michael Kerrisk , Thomas Gleixner , Josh Triplett , Jann Horn , Greg KH , Andrei Vagin Subject: Re: [PATCH v5 0/4] vm: add a syscall to map a process memory into a pipe Message-Id: <20180220164406.3ec34509376f16841dc66e34@linux-foundation.org> In-Reply-To: <1515479453-14672-1-git-send-email-rppt@linux.vnet.ibm.com> References: <1515479453-14672-1-git-send-email-rppt@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SW-Source: 2018-02/txt/msg00099.txt.bz2 On Tue, 9 Jan 2018 08:30:49 +0200 Mike Rapoport wrote: > This patches introduces new process_vmsplice system call that combines > functionality of process_vm_read and vmsplice. All seems fairly strightforward. The big question is: do we know that people will actually use this, and get sufficient value from it to justify its addition?