From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out3-smtp.messagingengine.com (out3-smtp.messagingengine.com [66.111.4.27]) by dpdk.org (Postfix) with ESMTP id 674BBFFA for ; Mon, 22 Jan 2018 22:03:41 +0100 (CET) Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id 09E1020F67; Mon, 22 Jan 2018 16:03:41 -0500 (EST) Received: from frontend2 ([10.202.2.161]) by compute1.internal (MEProxy); Mon, 22 Jan 2018 16:03:41 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-sender :x-me-sender:x-sasl-enc; s=mesmtp; bh=AMeRI7/avCE7deA42AvxuamSd8 gZLqF9pE2LympGkfk=; b=eHifcLpIWgm9aA/QQlpjw8me9NUF67UBC7T4Q/fRX4 On6O82SqWDyxYo/tV2ZQOSr/8daG/+Pf8/N3TEczRY38DsW2fvANZdWMgoU/UR16 1d8hifxThxfiOG/jO/vH7BaxCumsINRs/nMNxQHs4vT0y/o7UJv48ESrGEnbKFN4 k= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-sender:x-me-sender:x-sasl-enc; s=fm1; bh=AMeRI7 /avCE7deA42AvxuamSd8gZLqF9pE2LympGkfk=; b=PloT7PDGc2X//Aig7ZIHgE Tyj13nSaP/bnw6oRoqtQrSKq1Xh5g3+5bZrAnlLu00vKN7IgP7MRSv6h9KGguhQS W932sN0p+MEDjJ9RI+C0OIgkoDBZZUjgkLAekctwST30rdmTzjAJljwebBHRdnFR nL9GasvPj3PtTCvRu6oLYsP2p7tL0tmq886ILieGG3njq2amO6bMcfF/tVFtRsDx 8oQyo0oaABS94xKu5d8Lfics8NLh72THdsrkQ7O15fDQByL3JUXEbEdjncgTAIiy D0pu1cl022FiquKbP0VMdunJuucFN/D1vnUHkDCX/gkyHPOnVIuGDXsICO5N/8bg == X-ME-Sender: Received: from xps.localnet (184.203.134.77.rev.sfr.net [77.134.203.184]) by mail.messagingengine.com (Postfix) with ESMTPA id B516A24775; Mon, 22 Jan 2018 16:03:40 -0500 (EST) From: Thomas Monjalon To: Stephen Hemminger Cc: Ferruh Yigit , chaozhu@linux.vnet.ibm.com, dev@dpdk.org, Bruce Richardson , Konstantin Ananyev , Jonas Pfefferle Date: Mon, 22 Jan 2018 22:03:02 +0100 Message-ID: <4302048.2hzkQNGxWI@xps> In-Reply-To: <20180122085613.2928a3a6@xeon-e3> References: <20180116183755.24542-1-stephen@networkplumber.org> <1537329.tE083vG8Go@xps> <20180122085613.2928a3a6@xeon-e3> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [dpdk-dev] [PATCH v6 01/14] eal: introduce atomic exchange operation X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Jan 2018 21:03:41 -0000 22/01/2018 17:56, Stephen Hemminger: > On Mon, 22 Jan 2018 00:50:55 +0100 > Thomas Monjalon wrote: > > > 21/01/2018 20:25, Ferruh Yigit: > > > On 1/21/2018 6:59 PM, Ferruh Yigit wrote: > > > > From: Stephen Hemminger > > > > > > > > To handle atomic update of link status (64 bit), every driver > > > > was doing its own version using cmpset. > > > > Atomic exchange is a useful primitive in its own right; > > > > therefore make it a EAL routine. > > > > > > > > Signed-off-by: Stephen Hemminger > > > > Reviewed-by: Ferruh Yigit > > > Series applied to dpdk-next-net/master, thanks. > > > > I need to drop this series when pulling in master, > > because PPC is not supported. > > > > Chao, please could you help on this feature? > > Thanks > > The generic code should work for PPC. No, the generic code is inside #ifdef RTE_FORCE_INTRINSICS. PPC does not define RTE_FORCE_INTRINSICS, and ARM could disable it I guess.