From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id A3356A0C48; Wed, 7 Jul 2021 08:32:14 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 34E2441413; Wed, 7 Jul 2021 08:32:14 +0200 (CEST) Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) by mails.dpdk.org (Postfix) with ESMTP id EBAF8406FF for ; Wed, 7 Jul 2021 08:32:12 +0200 (CEST) Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id 83F325C00A7; Wed, 7 Jul 2021 02:32:10 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute6.internal (MEProxy); Wed, 07 Jul 2021 02:32:10 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s=fm1; bh= CD8IBLvB/vkkCrD3Etbdb6kMRdZGMy3ND3vlmdbG9bk=; b=qdVak9vEWcGzrnc5 +mD/xuhFi0ETebGE+WSDGf+3kOJwRXt7YRmKZkBuxQ8shp4z6bQSc7l+UcVKeqdy RZa4yyj+RDZHPcGeb3S80ts56V0l1v/FOu18RMaTABbTT9iQSA9MACSclpxpirC3 G6AkuHP9UFeBSvYFZEVyOnUpsO0AeitApdRVJoXNKJ/mSij44YnsPPY+FO556APb 1QqqEe3DVj3HYBNol4wBe/5xd2M/mQGdF3zGMqYTwwEtBXVn8mjEVo4W/D0ln2oL ADcD+/VoSsFePBSlm6Nsi1lchrQ4PTnkPlZQx34oBvRJ5Bc4owZqRAHpz1OulJlc 4R/Azw== 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-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm3; bh=CD8IBLvB/vkkCrD3Etbdb6kMRdZGMy3ND3vlmdbG9 bk=; b=RlJhlcXrgfMRA/oBDQNTJssk6X6rtHTWnDCYU8NmSMQvAVBVwHZ6+KvgF lKq29u9G6F50zXKwFfMzrbs4qneenkzVthAe457IeyiTZqjfGXNYA54BUC6M0ROI iup1gVY2WAaQU0DdT59K3YQYgdp2ptxeiNtEGNsMGeMnKu5qE1Vpr67m5IuV5gBu rAiQtQHVMcrReuIR4aDG2OSxj3nvi/rxCBKvLJc6BV51mNf4PqT02fv/gX5fah+5 0AA+coIMWSaI3kJKjlFXo6qE7UVkIjFbiuNVU06b50dsRRFLWjrRbV9N6N48JHwN 0fgm7hdalJfxgXdt6uVNvfJyFcQfw== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvtddrtddugdejkecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpefhvffufffkjghfggfgtgesthfuredttddtvdenucfhrhhomhepvfhhohhmrghs ucfoohhnjhgrlhhonhcuoehthhhomhgrshesmhhonhhjrghlohhnrdhnvghtqeenucggtf frrghtthgvrhhnpedugefgvdefudfftdefgeelgffhueekgfffhfeujedtteeutdejueei iedvffegheenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhroh hmpehthhhomhgrshesmhhonhhjrghlohhnrdhnvght X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 7 Jul 2021 02:32:08 -0400 (EDT) From: Thomas Monjalon To: Ruifeng Wang Cc: Jan Viktorin , Jerin Jacob , Bruce Richardson , dev@dpdk.org, david.marchand@redhat.com, nd@arm.com, honnappa.nagarahalli@arm.com Date: Wed, 07 Jul 2021 08:32:07 +0200 Message-ID: <2428322.vDqkmRtzSv@thomas> In-Reply-To: <20210707054840.1608425-4-ruifeng.wang@arm.com> References: <20200424070741.16619-1-gavin.hu@arm.com> <20210707054840.1608425-1-ruifeng.wang@arm.com> <20210707054840.1608425-4-ruifeng.wang@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [dpdk-dev] [PATCH v4 3/3] build: add option to enable wait until equal X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 07/07/2021 07:48, Ruifeng Wang: > Introduce a meson option 'use_wfe' to select wait until equal method. > The default is disable. Traditional polling loop is used. > When enabled, architecture specific mechanism is relied on to do the > wait. Why do we need an option? Can it be automatic to enable it when supported?