From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Thu, 16 Mar 2017 18:50:50 +0100 (CET) Received: from mail-wr0-x241.google.com ([IPv6:2a00:1450:400c:c0c::241]:36597 "EHLO mail-wr0-x241.google.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S23992126AbdCPRun0jJJu (ORCPT ); Thu, 16 Mar 2017 18:50:43 +0100 Received: by mail-wr0-x241.google.com with SMTP id l37so6799878wrc.3; Thu, 16 Mar 2017 10:50:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20161025; h=from:date:to:cc:subject:message-id:mail-followup-to:mime-version :content-disposition:in-reply-to:user-agent; bh=NqSECOhtIPvGa/ZlYGLRwoaJQiZSEEXcOGoCa/UZC24=; b=fqE6aNHwZq02pkPK/N3+9XVMv5K+sdxBmMVfgacKjoR8GzEsxU9buZiP9cYHpbvT78 Up6sWFswahm/vir6xwQhB92G5A4qUCrQ86GTaiLXKYtHLRG8le302oF+I0k6V6pGIRvB 5n9lHJpfkQyzAZKIEXI/r3F0RODfSvkODGX2Rfhl9vMxfUX6Qb6UdJwwKZ5SiZTcT1yg wfcCjKuKNmUxfaUor1xUL48KqNLGdHQ0+li5DprAsMx/QJewiJqRYclvJkezklmH/aRW Wg4D3kiiy69JvPZF/WgffZUX/vsQdnx8Ymgzfg4hjO1IgGj+mKtaWP4jrUct7YelcVAk 8IlQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:date:to:cc:subject:message-id :mail-followup-to:mime-version:content-disposition:in-reply-to :user-agent; bh=NqSECOhtIPvGa/ZlYGLRwoaJQiZSEEXcOGoCa/UZC24=; b=jaeLSJPbAnC1NqCZSAVjny7791MdTtRAmx8k3RSvDqhJ0mMQr6hqsh4G4+sPaIUoKR G+z2Teh5sU0ROFzLWA+e2CwK7CpSNvLtnRABl/xPE5Rarqqw9yUw3WBT5JgRnsdTp4MG CGY6S6MkEuFnoaPTDCF3i9Gg8i9s0g/EbbndgKiT0tY+UMF2us5dBndPnQVqZj+04odF zw2NGXLY+MlpIC24VvLgR2r9GRXhnq8C6BygpxLnolBOgU0qKVtP5k3zCOi3w3jHqG0k 4Y70xCyZQCPQfqYnHOjmnHVMptWRo2RXyULoDEzuC6/oFdYlc7/3aZFpbEa+vssBSO3c SQyA== X-Gm-Message-State: AFeK/H3EmqhIG4kZveqzB2FYUF/IRrLa0wwW0VtRTbj/JNwr58MJcAMpkHKbgAU8zotwcw== X-Received: by 10.223.177.151 with SMTP id q23mr9053747wra.65.1489686638170; Thu, 16 Mar 2017 10:50:38 -0700 (PDT) Received: from localhost (login1.zih.tu-dresden.de. [141.76.16.140]) by smtp.googlemail.com with ESMTPSA id x127sm1193288wmf.31.2017.03.16.10.50.36 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 16 Mar 2017 10:50:37 -0700 (PDT) From: Till Smejkal X-Google-Original-From: Till Smejkal Date: Thu, 16 Mar 2017 10:50:33 -0700 To: Thomas Gleixner Cc: Till Smejkal , Andy Lutomirski , Andy Lutomirski , Richard Henderson , Ivan Kokshaysky , Matt Turner , Vineet Gupta , Russell King , Catalin Marinas , Will Deacon , Steven Miao , Richard Kuo , Tony Luck , Fenghua Yu , James Hogan , Ralf Baechle , "James E.J. Bottomley" , Helge Deller , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Martin Schwidefsky , Heiko Carstens , Yoshinori Sato , Rich Felker , "David S. Miller" , Chris Metcalf , Ingo Molnar , "H. Peter Anvin" , X86 ML , Chris Zankel , Max Filippov , Arnd Bergmann , Greg Kroah-Hartman , Laurent Pinchart , Mauro Carvalho Chehab , Pawel Osciak , Marek Szyprowski , Kyungmin Park , David Woodhouse , Brian Norris , Boris Brezillon , Marek Vasut , Richard Weinberger , Cyrille Pitchen , Felipe Balbi , Alexander Viro , Benjamin LaHaise , Nadia Yvette Chambers , Jeff Layton , "J. Bruce Fields" , Peter Zijlstra , Hugh Dickins , Arnaldo Carvalho de Melo , Alexander Shishkin , Jaroslav Kysela , Takashi Iwai , "linux-kernel@vger.kernel.org" , linux-alpha@vger.kernel.org, arcml , "linux-arm-kernel@lists.infradead.org" , adi-buildroot-devel@lists.sourceforge.net, linux-hexagon@vger.kernel.org, "linux-ia64@vger.kernel.org" , linux-metag@vger.kernel.org, Linux MIPS Mailing List , linux-parisc@vger.kernel.org, linuxppc-dev , "linux-s390@vger.kernel.org" , "linux-sh@vger.kernel.org" , sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, Linux Media Mailing List , linux-mtd@lists.infradead.org, USB list , Linux FS Devel , linux-aio@kvack.org, "linux-mm@kvack.org" , Linux API , linux-arch , ALSA development Subject: Re: [RFC PATCH 00/13] Introduce first class virtual address spaces Message-ID: <20170316175033.pgkep75iszqy3csb@arch-dev> Mail-Followup-To: Thomas Gleixner , Till Smejkal , Andy Lutomirski , Andy Lutomirski , Richard Henderson , Ivan Kokshaysky , Matt Turner , Vineet Gupta , Russell King , Catalin Marinas , Will Deacon , Steven Miao , Richard Kuo , Tony Luck , Fenghua Yu , James Hogan , Ralf Baechle , "James E.J. Bottomley" , Helge Deller , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Martin Schwidefsky , Heiko Carstens , Yoshinori Sato , Rich Felker , "David S. Miller" , Chris Metcalf , Ingo Molnar , "H. Peter Anvin" , X86 ML , Chris Zankel , Max Filippov , Arnd Bergmann , Greg Kroah-Hartman , Laurent Pinchart , Mauro Carvalho Chehab , Pawel Osciak , Marek Szyprowski , Kyungmin Park , David Woodhouse , Brian Norris , Boris Brezillon , Marek Vasut , Richard Weinberger , Cyrille Pitchen , Felipe Balbi , Alexander Viro , Benjamin LaHaise , Nadia Yvette Chambers , Jeff Layton , "J. Bruce Fields" , Peter Zijlstra , Hugh Dickins , Arnaldo Carvalho de Melo , Alexander Shishkin , Jaroslav Kysela , Takashi Iwai , "linux-kernel@vger.kernel.org" , linux-alpha@vger.kernel.org, arcml , "linux-arm-kernel@lists.infradead.org" , adi-buildroot-devel@lists.sourceforge.net, linux-hexagon@vger.kernel.org, "linux-ia64@vger.kernel.org" , linux-metag@vger.kernel.org, Linux MIPS Mailing List , linux-parisc@vger.kernel.org, linuxppc-dev , "linux-s390@vger.kernel.org" , "linux-sh@vger.kernel.org" , sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, Linux Media Mailing List , linux-mtd@lists.infradead.org, USB list , Linux FS Devel , linux-aio@kvack.org, "linux-mm@kvack.org" , Linux API , linux-arch , ALSA development MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170306 (1.8.0) Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 57375 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: till.smejkal@googlemail.com Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips On Thu, 16 Mar 2017, Thomas Gleixner wrote: > On Thu, 16 Mar 2017, Till Smejkal wrote: > > On Thu, 16 Mar 2017, Thomas Gleixner wrote: > > > Why do we need yet another mechanism to represent something which looks > > > like a file instead of simply using existing mechanisms and extend them? > > > > You are right. I also recognized during the discussion with Andy, Chris, > > Matthew, Luck, Rich and the others that there are already other > > techniques in the Linux kernel that can achieve the same functionality > > when combined. As I said also to the others, I will drop the VAS segments > > for future versions. The first class virtual address space feature was > > the more interesting part of the patchset anyways. > > While you are at it, could you please drop this 'first class' marketing as > well? It has zero technical value, really. Yes of course. I am sorry for the trouble that I caused already. Thanks Till From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr0-x241.google.com ([IPv6:2a00:1450:400c:c0c::241]:36597 "EHLO mail-wr0-x241.google.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S23992126AbdCPRun0jJJu (ORCPT ); Thu, 16 Mar 2017 18:50:43 +0100 From: Till Smejkal Date: Thu, 16 Mar 2017 10:50:33 -0700 Subject: Re: [RFC PATCH 00/13] Introduce first class virtual address spaces Message-ID: <20170316175033.pgkep75iszqy3csb@arch-dev> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Return-Path: Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-subscribe: List-owner: List-post: List-archive: To: Thomas Gleixner Cc: Till Smejkal , Andy Lutomirski , Andy Lutomirski , Richard Henderson , Ivan Kokshaysky , Matt Turner , Vineet Gupta , Russell King , Catalin Marinas , Will Deacon , Steven Miao , Richard Kuo , Tony Luck , Fenghua Yu , James Hogan , Ralf Baechle , "James E.J. Bottomley" , Helge Deller , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Martin Schwidefsky , Heiko Carstens , Yoshinori Sato , Rich Felker , "David S. Miller" , Chris Metcalf , Ingo Molnar , "H. Peter Anvin" , X86 ML , Chris Zankel , Max Filippov , Arnd Bergmann , Greg Kroah-Hartman , Laurent Pinchart , Mauro Carvalho Chehab , Pawel Osciak , Marek Szyprowski , Kyungmin Park , David Woodhouse , Brian Norris , Boris Brezillon , Marek Vasut , Richard Weinberger , Cyrille Pitchen , Felipe Balbi , Alexander Viro , Benjamin LaHaise , Nadia Yvette Chambers , Jeff Layton , "J. Bruce Fields" , Peter Zijlstra , Hugh Dickins , Arnaldo Carvalho de Melo , Alexander Shishkin , Jaroslav Kysela , Takashi Iwai , "linux-kernel@vger.kernel.org" , linux-alpha@vger.kernel.org, arcml , "linux-arm-kernel@lists.infradead.org" , adi-buildroot-devel@lists.sourceforge.net, linux-hexagon@vger.kernel.org, "linux-ia64@vger.kernel.org" , linux-metag@vger.kernel.org, Linux MIPS Mailing List , linux-parisc@vger.kernel.org, linuxppc-dev , "linux-s390@vger.kernel.org" , "linux-sh@vger.kernel.org" , sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, Linux Media Mailing List , linux-mtd@lists.infradead.org, USB list , Linux FS Devel , linux-aio@kvack.org, "linux-mm@kvack.org" , Linux API , linux-arch , ALSA development Message-ID: <20170316175033.1nUplQ42xk7l0z4Ugzf7zcrykPiyD6TxZKVlT9uyTGg@z> On Thu, 16 Mar 2017, Thomas Gleixner wrote: > On Thu, 16 Mar 2017, Till Smejkal wrote: > > On Thu, 16 Mar 2017, Thomas Gleixner wrote: > > > Why do we need yet another mechanism to represent something which looks > > > like a file instead of simply using existing mechanisms and extend them? > > > > You are right. I also recognized during the discussion with Andy, Chris, > > Matthew, Luck, Rich and the others that there are already other > > techniques in the Linux kernel that can achieve the same functionality > > when combined. As I said also to the others, I will drop the VAS segments > > for future versions. The first class virtual address space feature was > > the more interesting part of the patchset anyways. > > While you are at it, could you please drop this 'first class' marketing as > well? It has zero technical value, really. Yes of course. I am sorry for the trouble that I caused already. Thanks Till