From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f181.google.com (mail-wi0-f181.google.com [209.85.212.181]) by dpdk.org (Postfix) with ESMTP id EA2453F9 for ; Wed, 17 Dec 2014 01:06:14 +0100 (CET) Received: by mail-wi0-f181.google.com with SMTP id r20so14314071wiv.2 for ; Tue, 16 Dec 2014 16:06:14 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:organization :user-agent:in-reply-to:references:mime-version :content-transfer-encoding:content-type; bh=1TKaB0z9MU+ejUGbs7/Ay0hDRu+sUbzKqpWua9xBCsE=; b=K1X86ICYUNq3pbIAi7Rlk2aYHmSfQsflGD09QnfcR4gzdqIyBsggB+PKs6P+6YlqzJ ejGhENt5i9jhAWvVW3T5jq6c9j0JDrHKt+xLyoPC/0uMOMVCq2Abfsoki2rR0hXjOwZq wnkhgxDVMaYuTZKnqOpWLxIpUpWk9DKz+XMZwrH4fx4uRy9U6Ny4hukph74pTYGpuVCA +kYsoxI+15oTVbDRA31SVJbODlrbua/NmnXtWhREYvT11812AMaJODIl79LG6JySsizP luQV70IH14tHS8WlVOGfYCY/ydJMuDQCYd054+CA2ofaoBjfp/9ZFuLz9S8/n/GkQYPG 1oew== X-Gm-Message-State: ALoCoQn2+VeYRmw8hERAI2VlVtebH9LOeyM0WxLoSAxA3q4dDHbY3f/YWrLAA4D/EstMUiTBxZ2t X-Received: by 10.180.96.33 with SMTP id dp1mr9076721wib.13.1418774774837; Tue, 16 Dec 2014 16:06:14 -0800 (PST) Received: from xps13.localnet (136-92-190-109.dsl.ovh.fr. [109.190.92.136]) by mx.google.com with ESMTPSA id eu15sm3972751wid.18.2014.12.16.16.06.13 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 16 Dec 2014 16:06:14 -0800 (PST) From: Thomas Monjalon To: "Zhang, Helin" Date: Wed, 17 Dec 2014 01:05:47 +0100 Message-ID: <3262150.qmyvx8u7AI@xps13> Organization: 6WIND User-Agent: KMail/4.14.3 (Linux/3.17.4-1-ARCH; KDE/4.14.3; x86_64; ; ) In-Reply-To: <4341B239C0EFF9468EE453F9E9F4604D016309C4@shsmsx102.ccr.corp.intel.com> References: <1418630187-28917-1-git-send-email-helin.zhang@intel.com> <1418718200-31924-1-git-send-email-helin.zhang@intel.com> <4341B239C0EFF9468EE453F9E9F4604D016309C4@shsmsx102.ccr.corp.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Cc: dev@dpdk.org, "Rowden, Aaron F" Subject: Re: [dpdk-dev] [PATCH v3] i40e: workaround for X710 performance issues X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Dec 2014 00:06:15 -0000 > > On X710, performance number is far from the expectation on recent > > firmware versions. The fix for this issue may not be integrated in > > the following firmware version. So the workaround in software driver > > is needed. It needs to modify the initial values of 3 internal only > > registers. Note that the workaround can be removed when it is fixed > > in firmware in the future. > > > > Signed-off-by: Helin Zhang > > Acked-by: Jing Chen Applied Thanks -- Thomas