From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 96DCDC388F9 for ; Tue, 27 Oct 2020 10:55:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3E5F322263 for ; Tue, 27 Oct 2020 10:55:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603796154; bh=/dHfdK2gfMD8I0Ei9orudDewErEl1BJmGafieTy2r5s=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=WQQ2jmRZ/1bo/aYzweRf7dW1MIfvc5BxBcg6kTMlzWSiEOiL3ILumwmwbHj1hvNJ3 ELUJ+76pNIW75dlpUWpov/JUSuwmeGPFu+XuCjU1b/HObIpUTVJG+yguCvyde7OyaS iK16TrFERZLgifF6tDtxhKXxzdzhX6sbIjzkwjwE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2898752AbgJ0Kzv (ORCPT ); Tue, 27 Oct 2020 06:55:51 -0400 Received: from mail-ej1-f65.google.com ([209.85.218.65]:39849 "EHLO mail-ej1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2898751AbgJ0Kzu (ORCPT ); Tue, 27 Oct 2020 06:55:50 -0400 Received: by mail-ej1-f65.google.com with SMTP id bn26so1561323ejb.6; Tue, 27 Oct 2020 03:55:49 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=TymBfd8xbolCDz0CTS1KfmPjnSowqs0JmWS/4o61x3A=; b=P7BJKbaF+t3ZrZ2zc2Hs9tOb4gSZsq2XkPvXA3H92tt/xCuttznHJdyIWPL5qGl7XI thdMCPXWrg4tZndI2ZZQq2QQO2LXz60kuIvxBQYWIJmPqmUnT93XH5LNixFnh+KhmVy+ xI3x8qfq3MFo9EaltLPgn9kfi2QnslFKZvnTwJlh1yQoz++QXD20xOUItCQgTcGSq0Zp JUXLCmJDrQp+SnMC5PxDHs1IUo6YiSDSVCQtO9wX+mH3uzeg1vt7wxmugturNNZz/c8A +cvUtpaH1FennvPnH8a/3SmrnVzb2c/NC48b19l0SeLUiYG2uKGvYXYLDi+8K2Xqpp0m zuuw== X-Gm-Message-State: AOAM531PzrIM6ok95OxJ+lIoOcQiEpQrHHOAIbCIo2EBDwWxkiUx3P3I HCWli2y4aWJTbuHZbSpOQHrLJJYYpZLnoiec X-Google-Smtp-Source: ABdhPJzR8tVVWkkowm2YOT8iAGu+2wm47ujgioM2a27CEFF7xhn8/NwoA5feiGr9Ro970g2q9PIJ9w== X-Received: by 2002:a17:906:2649:: with SMTP id i9mr1833196ejc.449.1603796148893; Tue, 27 Oct 2020 03:55:48 -0700 (PDT) Received: from kozik-lap ([194.230.155.184]) by smtp.googlemail.com with ESMTPSA id z2sm724219edr.64.2020.10.27.03.55.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Oct 2020 03:55:47 -0700 (PDT) Date: Tue, 27 Oct 2020 11:55:45 +0100 From: Krzysztof Kozlowski To: Xu Yilun Cc: mdf@kernel.org, linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org, trix@redhat.com, lgoncalv@redhat.com, hao.wu@intel.com, Russ Weight Subject: Re: [PATCH v11 2/2] memory: dfl-emif: add the DFL EMIF private feature driver Message-ID: <20201027105545.GB20676@kozik-lap> References: <1603790581-4487-1-git-send-email-yilun.xu@intel.com> <1603790581-4487-3-git-send-email-yilun.xu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1603790581-4487-3-git-send-email-yilun.xu@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-fpga@vger.kernel.org On Tue, Oct 27, 2020 at 05:23:01PM +0800, Xu Yilun wrote: > This driver is for the EMIF private feature implemented under FPGA > Device Feature List (DFL) framework. It is used to expose memory > interface status information as well as memory clearing control. > > The purpose of memory clearing block is to zero out all private memory > when FPGA is to be reprogrammed. This gives users a reliable method to > prevent potential data leakage. > > Signed-off-by: Xu Yilun > Signed-off-by: Russ Weight > Reviewed-by: Tom Rix > Acked-by: Krzysztof Kozlowski Feel free to take it via DFL tree. Best regards, Krzysztof