From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leonid Yegoshin Subject: Re: [v3,11/41] mips: reuse asm-generic/barrier.h Date: Mon, 11 Jan 2016 17:14:14 -0800 Message-ID: <56945366.2090504@imgtec.com> References: <1452426622-4471-12-git-send-email-mst@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1452426622-4471-12-git-send-email-mst@redhat.com> Sender: linux-ia64-owner@vger.kernel.org To: "Michael S. Tsirkin" , linux-kernel@vger.kernel.org Cc: Peter Zijlstra , Arnd Bergmann , linux-arch@vger.kernel.org, Andrew Cooper , Russell King - ARM Linux , virtualization@lists.linux-foundation.org, Stefano Stabellini , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Joe Perches , David Miller , linux-ia64@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-metag@vger.kernel.org, linux-mips@linux-mips.org, x86@kernel.org, user-mode-linux-devel@lists.sourceforge.net, adi-buildroot-devel@lists.sourceforge.net, linux-sh@vger.kernel.org, linux-xtensa@linux-xtensa.org, xen-devel@lists.xenpro List-Id: linux-arch.vger.kernel.org On 01/10/2016 06:18 AM, Michael S. Tsirkin wrote: > On mips dma_rmb, dma_wmb, smp_store_mb, read_barrier_depends, > smp_read_barrier_depends, smp_store_release and smp_load_acquire match > the asm-generic variants exactly. Drop the local definitions and pull in > asm-generic/barrier.h instead. > This statement doesn't fit MIPS barriers variations. Moreover, there is a reason to extend that even more specific, at least for smp_store_release and smp_load_acquire, look into http://patchwork.linux-mips.org/patch/10506/ - Leonid. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mailapp01.imgtec.com ([195.59.15.196]:27590 "EHLO mailapp01.imgtec.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758738AbcALBOU (ORCPT ); Mon, 11 Jan 2016 20:14:20 -0500 Message-ID: <56945366.2090504@imgtec.com> Date: Mon, 11 Jan 2016 17:14:14 -0800 From: Leonid Yegoshin MIME-Version: 1.0 Subject: Re: [v3,11/41] mips: reuse asm-generic/barrier.h References: <1452426622-4471-12-git-send-email-mst@redhat.com> In-Reply-To: <1452426622-4471-12-git-send-email-mst@redhat.com> Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-arch-owner@vger.kernel.org List-ID: To: "Michael S. Tsirkin" , linux-kernel@vger.kernel.org Cc: Peter Zijlstra , Arnd Bergmann , linux-arch@vger.kernel.org, Andrew Cooper , Russell King - ARM Linux , virtualization@lists.linux-foundation.org, Stefano Stabellini , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Joe Perches , David Miller , linux-ia64@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-metag@vger.kernel.org, linux-mips@linux-mips.org, x86@kernel.org, user-mode-linux-devel@lists.sourceforge.net, adi-buildroot-devel@lists.sourceforge.net, linux-sh@vger.kernel.org, linux-xtensa@linux-xtensa.org, xen-devel@lists.xenproject.org, Ralf Baechle , Ingo Molnar Message-ID: <20160112011414.bvuFdCb7uVXUJRb7s1j2FEp-pV56-Ouo7pLXtaC05TY@z> On 01/10/2016 06:18 AM, Michael S. Tsirkin wrote: > On mips dma_rmb, dma_wmb, smp_store_mb, read_barrier_depends, > smp_read_barrier_depends, smp_store_release and smp_load_acquire match > the asm-generic variants exactly. Drop the local definitions and pull in > asm-generic/barrier.h instead. > This statement doesn't fit MIPS barriers variations. Moreover, there is a reason to extend that even more specific, at least for smp_store_release and smp_load_acquire, look into http://patchwork.linux-mips.org/patch/10506/ - Leonid. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leonid Yegoshin Date: Tue, 12 Jan 2016 01:14:14 +0000 Subject: Re: [v3,11/41] mips: reuse asm-generic/barrier.h Message-Id: <56945366.2090504@imgtec.com> List-Id: References: <1452426622-4471-12-git-send-email-mst@redhat.com> In-Reply-To: <1452426622-4471-12-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: "Michael S. Tsirkin" , linux-kernel@vger.kernel.org Cc: Peter Zijlstra , Arnd Bergmann , linux-arch@vger.kernel.org, Andrew Cooper , Russell King - ARM Linux , virtualization@lists.linux-foundation.org, Stefano Stabellini , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Joe Perches , David Miller , linux-ia64@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-metag@vger.kernel.org, linux-mips@linux-mips.org, x86@kernel.org, user-mode-linux-devel@lists.sourceforge.net, adi-buildroot-devel@lists.sourceforge.net, linux-sh@vger.kernel.org, linux-xtensa@linux-xtensa.org, xen-devel@lists.xenpro On 01/10/2016 06:18 AM, Michael S. Tsirkin wrote: > On mips dma_rmb, dma_wmb, smp_store_mb, read_barrier_depends, > smp_read_barrier_depends, smp_store_release and smp_load_acquire match > the asm-generic variants exactly. Drop the local definitions and pull in > asm-generic/barrier.h instead. > This statement doesn't fit MIPS barriers variations. Moreover, there is a reason to extend that even more specific, at least for smp_store_release and smp_load_acquire, look into http://patchwork.linux-mips.org/patch/10506/ - Leonid. From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Tue, 12 Jan 2016 02:14:30 +0100 (CET) Received: from mailapp01.imgtec.com ([195.59.15.196]:24044 "EHLO mailapp01.imgtec.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S27011069AbcALBO2cdckj (ORCPT ); Tue, 12 Jan 2016 02:14:28 +0100 Received: from HHMAIL01.hh.imgtec.org (unknown [10.100.10.19]) by Websense Email Security Gateway with ESMTPS id 2B123E37C1C20; Tue, 12 Jan 2016 01:14:17 +0000 (GMT) Received: from BAMAIL02.ba.imgtec.org (10.20.40.28) by HHMAIL01.hh.imgtec.org (10.100.10.19) with Microsoft SMTP Server (TLS) id 14.3.235.1; Tue, 12 Jan 2016 01:14:17 +0000 Received: from [10.20.3.92] (10.20.3.92) by bamail02.ba.imgtec.org (10.20.40.28) with Microsoft SMTP Server (TLS) id 14.3.174.1; Mon, 11 Jan 2016 17:14:14 -0800 Message-ID: <56945366.2090504@imgtec.com> Date: Mon, 11 Jan 2016 17:14:14 -0800 From: Leonid Yegoshin User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: "Michael S. Tsirkin" , CC: Peter Zijlstra , Arnd Bergmann , , Andrew Cooper , Russell King - ARM Linux , , Stefano Stabellini , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Joe Perches , David Miller , , , , , , , , , , , , , , "Ralf Baechle" , Ingo Molnar Subject: Re: [v3,11/41] mips: reuse asm-generic/barrier.h References: <1452426622-4471-12-git-send-email-mst@redhat.com> In-Reply-To: <1452426622-4471-12-git-send-email-mst@redhat.com> Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.20.3.92] 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: 51067 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: Leonid.Yegoshin@imgtec.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 01/10/2016 06:18 AM, Michael S. Tsirkin wrote: > On mips dma_rmb, dma_wmb, smp_store_mb, read_barrier_depends, > smp_read_barrier_depends, smp_store_release and smp_load_acquire match > the asm-generic variants exactly. Drop the local definitions and pull in > asm-generic/barrier.h instead. > This statement doesn't fit MIPS barriers variations. Moreover, there is a reason to extend that even more specific, at least for smp_store_release and smp_load_acquire, look into http://patchwork.linux-mips.org/patch/10506/ - Leonid. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leonid.Yegoshin@imgtec.com (Leonid Yegoshin) Date: Mon, 11 Jan 2016 17:14:14 -0800 Subject: [v3,11/41] mips: reuse asm-generic/barrier.h In-Reply-To: <1452426622-4471-12-git-send-email-mst@redhat.com> References: <1452426622-4471-12-git-send-email-mst@redhat.com> Message-ID: <56945366.2090504@imgtec.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 01/10/2016 06:18 AM, Michael S. Tsirkin wrote: > On mips dma_rmb, dma_wmb, smp_store_mb, read_barrier_depends, > smp_read_barrier_depends, smp_store_release and smp_load_acquire match > the asm-generic variants exactly. Drop the local definitions and pull in > asm-generic/barrier.h instead. > This statement doesn't fit MIPS barriers variations. Moreover, there is a reason to extend that even more specific, at least for smp_store_release and smp_load_acquire, look into http://patchwork.linux-mips.org/patch/10506/ - Leonid.