From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (xvm-189-124.dc0.ghst.net [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id C675EA09FF; Wed, 6 Jan 2021 16:32:04 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B873D16099C; Wed, 6 Jan 2021 16:32:04 +0100 (CET) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [63.128.21.124]) by mails.dpdk.org (Postfix) with ESMTP id 8188C160997 for ; Wed, 6 Jan 2021 16:32:03 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1609947123; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=3D9eOuTKDkEjWZ0CYMj0ihAlkoZfcWY6xYPsUkcfbUE=; b=DfBWzCiVGSNjHgBX4DVbk3mh9A2x9Yz5Q9nJ+DsSFt+23MpBbunc2S0AZgs3jG4/u/+4Qf cTMRO9YeLDQCGVLxsbj+esaJlsSOgexk3CeE8AZodyJzdcYFSfOVACpPHxLVC+l3Ei92Md fYgzu0sVspWckhoDHi07XBy+0AZ3bC4= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-202-Ri6DsENhOw-2hCEXbrCM0g-1; Wed, 06 Jan 2021 10:32:01 -0500 X-MC-Unique: Ri6DsENhOw-2hCEXbrCM0g-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 984E4180A097; Wed, 6 Jan 2021 15:31:59 +0000 (UTC) Received: from [10.36.110.9] (unknown [10.36.110.9]) by smtp.corp.redhat.com (Postfix) with ESMTPS id EB2EB60BE5; Wed, 6 Jan 2021 15:31:57 +0000 (UTC) To: Xueming Li , Matan Azrad , Viacheslav Ovsiienko Cc: dev@dpdk.org, Asaf Penso References: <1606952203-23310-1-git-send-email-xuemingl@nvidia.com> <1606952203-23310-2-git-send-email-xuemingl@nvidia.com> From: Maxime Coquelin Message-ID: <51b43193-eafb-3b5a-eb06-c74f48278a8d@redhat.com> Date: Wed, 6 Jan 2021 16:31:55 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: <1606952203-23310-2-git-send-email-xuemingl@nvidia.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=maxime.coquelin@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [PATCH 2/4] vdpa/mlx5: default polling mode delay time to zero 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 12/3/20 12:36 AM, Xueming Li wrote: > To improve performance and latency, this patch set Rx polling mode s/set/sets/ I'll fix while applying. > default delay time to zero. > > Signed-off-by: Xueming Li > Acked-by: Matan Azrad > --- > drivers/vdpa/mlx5/mlx5_vdpa.h | 2 +- > drivers/vdpa/mlx5/mlx5_vdpa_event.c | 3 ++- > 2 files changed, 3 insertions(+), 2 deletions(-) > > diff --git a/drivers/vdpa/mlx5/mlx5_vdpa.h b/drivers/vdpa/mlx5/mlx5_vdpa.h > index d039ada65b..08e04a86c4 100644 > --- a/drivers/vdpa/mlx5/mlx5_vdpa.h > +++ b/drivers/vdpa/mlx5/mlx5_vdpa.h > @@ -36,7 +36,7 @@ > #define VIRTIO_F_RING_PACKED 34 > #endif > > -#define MLX5_VDPA_DEFAULT_TIMER_DELAY_US 100u > +#define MLX5_VDPA_DEFAULT_TIMER_DELAY_US 0u > #define MLX5_VDPA_DEFAULT_TIMER_STEP_US 1u > > struct mlx5_vdpa_cq { > diff --git a/drivers/vdpa/mlx5/mlx5_vdpa_event.c b/drivers/vdpa/mlx5/mlx5_vdpa_event.c > index 3aeaeb893f..5366937e03 100644 > --- a/drivers/vdpa/mlx5/mlx5_vdpa_event.c > +++ b/drivers/vdpa/mlx5/mlx5_vdpa_event.c > @@ -265,7 +265,8 @@ mlx5_vdpa_timer_sleep(struct mlx5_vdpa_priv *priv, uint32_t max) > break; > } > } > - usleep(priv->timer_delay_us); > + if (priv->timer_delay_us) > + usleep(priv->timer_delay_us); > } > > static void * > Reviewed-by: Maxime Coquelin Thanks, Maxime