From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Mon, 07 Nov 2016 21:06:33 +0100 (CET) Received: from mailapp01.imgtec.com ([195.59.15.196]:1385 "EHLO mailapp01.imgtec.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S23991986AbcKGUG1XjW58 (ORCPT ); Mon, 7 Nov 2016 21:06:27 +0100 Received: from HHMAIL01.hh.imgtec.org (unknown [10.100.10.19]) by Forcepoint Email with ESMTPS id A51A273E0762; Mon, 7 Nov 2016 20:06:17 +0000 (GMT) Received: from HHMAIL-X.hh.imgtec.org (10.100.10.113) by HHMAIL01.hh.imgtec.org (10.100.10.19) with Microsoft SMTP Server (TLS) id 14.3.294.0; Mon, 7 Nov 2016 20:06:21 +0000 Received: from BAMAIL02.ba.imgtec.org (10.20.40.28) by HHMAIL-X.hh.imgtec.org (10.100.10.113) with Microsoft SMTP Server (TLS) id 14.3.294.0; Mon, 7 Nov 2016 20:06:21 +0000 Received: from [10.20.2.61] (10.20.2.61) by bamail02.ba.imgtec.org (10.20.40.28) with Microsoft SMTP Server (TLS) id 14.3.266.1; Mon, 7 Nov 2016 12:06:18 -0800 Message-ID: <5820DEBA.6080800@imgtec.com> Date: Mon, 7 Nov 2016 12:06:18 -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: Sven Schnelle , Subject: Re: MIPS: MIPS74K needs post dma flush References: <20161107194128.25086-2-svens@stackframe.org> In-Reply-To: <20161107194128.25086-2-svens@stackframe.org> Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.20.2.61] 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: 55720 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 74K does NOT have an aggressive speculation, never for D-Cache, never for I-cache. D-Cache doesn't an advance speculation load at all, I-cache never does a wrong speculation. So, post-DMA flush is not needed in any form. - Leonid. From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailapp01.imgtec.com ([195.59.15.196]:1385 "EHLO mailapp01.imgtec.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S23991986AbcKGUG1XjW58 (ORCPT ); Mon, 7 Nov 2016 21:06:27 +0100 Message-ID: <5820DEBA.6080800@imgtec.com> Date: Mon, 7 Nov 2016 12:06:18 -0800 From: Leonid Yegoshin MIME-Version: 1.0 Subject: Re: MIPS: MIPS74K needs post dma flush References: <20161107194128.25086-2-svens@stackframe.org> In-Reply-To: <20161107194128.25086-2-svens@stackframe.org> Content-Type: text/plain; charset="windows-1252"; 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: Sven Schnelle , linux-mips@linux-mips.org Message-ID: <20161107200618.SI_iWWeT_3ByNsQQRTPVlMxwf14Buw9FB1oF7WNWazY@z> 74K does NOT have an aggressive speculation, never for D-Cache, never for I-cache. D-Cache doesn't an advance speculation load at all, I-cache never does a wrong speculation. So, post-DMA flush is not needed in any form. - Leonid.