From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Wed, 20 May 2015 21:24:12 +0200 (CEST) Received: from mailapp01.imgtec.com ([195.59.15.196]:17701 "EHLO mailapp01.imgtec.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S27013073AbbETTYKfwOGY (ORCPT ); Wed, 20 May 2015 21:24:10 +0200 Received: from KLMAIL01.kl.imgtec.org (unknown [192.168.5.35]) by Websense Email Security Gateway with ESMTPS id ECEC7C7B353C9; Wed, 20 May 2015 20:24:02 +0100 (IST) Received: from hhmail02.hh.imgtec.org (10.100.10.20) by KLMAIL01.kl.imgtec.org (192.168.5.35) with Microsoft SMTP Server (TLS) id 14.3.195.1; Wed, 20 May 2015 20:23:05 +0100 Received: from BAMAIL02.ba.imgtec.org (10.20.40.28) by hhmail02.hh.imgtec.org (10.100.10.20) with Microsoft SMTP Server (TLS) id 14.3.224.2; Wed, 20 May 2015 20:23:05 +0100 Received: from [10.20.3.79] (10.20.3.79) by bamail02.ba.imgtec.org (10.20.40.28) with Microsoft SMTP Server (TLS) id 14.3.174.1; Wed, 20 May 2015 12:23:00 -0700 Message-ID: <555CDF14.70900@imgtec.com> Date: Wed, 20 May 2015 12:23:00 -0700 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: , , , , , , , , , , , , , Subject: Re: [PATCH 2/2] MIPS: MSA: bugfix of keeping MSA live context through clone or fork References: <20150519211222.35859.52798.stgit@ubuntu-yegoshin> <20150519211359.35859.24907.stgit@ubuntu-yegoshin> In-Reply-To: <20150519211359.35859.24907.stgit@ubuntu-yegoshin> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.20.3.79] 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: 47501 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 Cancel this, please. Reason - MSA registers are not supposed to be preserved through caller-called interface, including syscall. In other side, keeping MSA context is expensive. - Leonid. From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailapp01.imgtec.com ([195.59.15.196]:17701 "EHLO mailapp01.imgtec.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S27013073AbbETTYKfwOGY (ORCPT ); Wed, 20 May 2015 21:24:10 +0200 Message-ID: <555CDF14.70900@imgtec.com> Date: Wed, 20 May 2015 12:23:00 -0700 From: Leonid Yegoshin MIME-Version: 1.0 Subject: Re: [PATCH 2/2] MIPS: MSA: bugfix of keeping MSA live context through clone or fork References: <20150519211222.35859.52798.stgit@ubuntu-yegoshin> <20150519211359.35859.24907.stgit@ubuntu-yegoshin> In-Reply-To: <20150519211359.35859.24907.stgit@ubuntu-yegoshin> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit 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: linux-mips@linux-mips.org, rusty@rustcorp.com.au, alexinbeijing@gmail.com, paul.burton@imgtec.com, david.daney@cavium.com, alex@alex-smith.me.uk, linux-kernel@vger.kernel.org, ralf@linux-mips.org, james.hogan@imgtec.com, markos.chandras@imgtec.com, macro@linux-mips.org, eunb.song@samsung.com, manuel.lauss@gmail.com, andreas.herrmann@caviumnetworks.com Message-ID: <20150520192300.6R5nZQNpm1HcB5e3Ghg6VJOiqbQh0Y_1x-FM0E7aq9Y@z> Cancel this, please. Reason - MSA registers are not supposed to be preserved through caller-called interface, including syscall. In other side, keeping MSA context is expensive. - Leonid.