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 DE571A0C49; Wed, 7 Jul 2021 14:15:33 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 4BB7C406FF; Wed, 7 Jul 2021 14:15:33 +0200 (CEST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by mails.dpdk.org (Postfix) with ESMTP id B1A52406B4 for ; Wed, 7 Jul 2021 14:15:31 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1625660130; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=iBtMj5zuciT4E5sLNcSr1qbRefshnDzk9g4h3sOQ1aw=; b=d1gt3TQSc0OqccF/2Y+ez2K2THKY+FwIYYvz06vzgBKBf2K8NMxlHyZ68/oyTyYMqqvTc+ 7vt6zGpsACBBgGb052XWIPv4UP9kN2GfDyywSV1EiFtyn2iB0O6uxugvnBdU55TtMcMpqr wYfvOk0BwSGZPIh1ROU2qPaDy3oBwYs= Received: from mail-ua1-f72.google.com (mail-ua1-f72.google.com [209.85.222.72]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-249-ixhQgrYfMI-yhOAGxXSM6A-1; Wed, 07 Jul 2021 08:15:27 -0400 X-MC-Unique: ixhQgrYfMI-yhOAGxXSM6A-1 Received: by mail-ua1-f72.google.com with SMTP id d6-20020ab021060000b029029da61c35dbso901128ual.11 for ; Wed, 07 Jul 2021 05:15:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=iBtMj5zuciT4E5sLNcSr1qbRefshnDzk9g4h3sOQ1aw=; b=NB4F+iOXXrBi+f80ivtUXHc580Be9Q9x8F+vqVT6dHwCFhnl95bpTUm5ER7uZ0Jqqp 2ug+oznyGAloL8NdMrbhoAgCzE03hiVDeJhuX0HfOKL3gT/LjVdlw4/XDgeCzlmYCRMb ouje5CAQ3WClFNRiW3aX0dpmWb2QDBk7CZ/H2mLjAZgy34BDNKZScd+NoR0oomr+UUkt R5PECOgDbUjAZv996otB9xdqD34XjwzZ3vxOJYM+eMV7y5tWx68/0thmBFzxjj26f4rB X4DYQr2j3quPav64P65n5yJjbfqetC6mKr8T7yqDOfynDYM5DXIw0QaS41pgHJUDFr7E U/GQ== X-Gm-Message-State: AOAM531doMVpHIaG/rtt8pSCFog0MZY28JRV++uwsJUuWZxQDgmaELJ5 ClJ9XFphYI3fI4blmsSpEltbnSBuVsDSUyGYBvl2w/nUrqCG9TeRgEtUFE52agTTgRpB1wLzD6D fXCqZjknzC8t9PBusZsA= X-Received: by 2002:ab0:211a:: with SMTP id d26mr21812667ual.41.1625660127354; Wed, 07 Jul 2021 05:15:27 -0700 (PDT) X-Google-Smtp-Source: ABdhPJx3wR9iWbuifW04qAX3UTaBk+AxTlqlnPp1pcaB2mL9S+Fsr9iCEcBRL3qrAjTJKWBg6OCdMaUe5YEBolFvhcE= X-Received: by 2002:ab0:211a:: with SMTP id d26mr21812615ual.41.1625660127028; Wed, 07 Jul 2021 05:15:27 -0700 (PDT) MIME-Version: 1.0 References: <20200424070741.16619-1-gavin.hu@arm.com> <20210707054341.1607419-1-ruifeng.wang@arm.com> <20210707054341.1607419-4-ruifeng.wang@arm.com> In-Reply-To: <20210707054341.1607419-4-ruifeng.wang@arm.com> From: David Marchand Date: Wed, 7 Jul 2021 14:15:15 +0200 Message-ID: To: Ruifeng Wang Cc: Jerin Jacob , Jan Viktorin , Bruce Richardson , dev , Thomas Monjalon , nd , Honnappa Nagarahalli Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dmarchan@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" 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" On Wed, Jul 7, 2021 at 7:44 AM Ruifeng Wang wrote: > diff --git a/meson_options.txt b/meson_options.txt > index 56bdfd0f0a..5012803c77 100644 > --- a/meson_options.txt > +++ b/meson_options.txt > @@ -44,3 +44,5 @@ option('tests', type: 'boolean', value: true, description: > 'build unit tests') > option('use_hpet', type: 'boolean', value: false, description: > 'use HPET timer in EAL') > +option('use_wfe', type: 'boolean', value: false, description: > + 'use Wait Until Equal for polling loops') This is badly described. We have a wait until equal API. What you want to enable with this option is the hw assisted implementation. -- David Marchand