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 B888AA0A02; Thu, 14 Jan 2021 17:30:22 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 776411413AA; Thu, 14 Jan 2021 17:30:22 +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 4B7081413A7 for ; Thu, 14 Jan 2021 17:30:21 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1610641820; 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=rntRbQfZAx2c5fbf9tU6rr2zL8gL7t/UGs5tIU6oSPY=; b=EbCdyZI1LblCMpMqu5UkkG7bT42oI9YNsVVT70SYirr1Z2m9CZPjIkFuVCkPs6NrCdT/dj k+kObPtmpZ9M7oGUT+bF+wFrfrHCQvjauo6u1FlfhHo4a6EApPW74lQ/zCs/0wakJiogyV tPRHr6Ynga5nMqCfAbK7+7ptINrXAZI= Received: from mail-vs1-f69.google.com (mail-vs1-f69.google.com [209.85.217.69]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-300-_LilCGDEP3ixzSFmxJXjGA-1; Thu, 14 Jan 2021 11:30:18 -0500 X-MC-Unique: _LilCGDEP3ixzSFmxJXjGA-1 Received: by mail-vs1-f69.google.com with SMTP id g12so957015vsm.5 for ; Thu, 14 Jan 2021 08:30:17 -0800 (PST) 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=rntRbQfZAx2c5fbf9tU6rr2zL8gL7t/UGs5tIU6oSPY=; b=BB4t3h3i0HzRLJB7KugHiLLpCCklVX90k/G/145d7tqYlDmLlIes1zpEMHlLCozRBa KDDT+eQID3TPohpCEaga7rx68TKTBiEAoHIZHBdSJeixVRxCfp+l1zapmiE2zyF/yGg+ 3/B3kGb6jsCtlu0WsgXtn2YzIilX+C4yZxUl6GdVHMaidjZKOUKR4oLKKd2OB6tmdNtw LjDJcazqrkUjGsDmGfxYOgdL0/G4SpbBf9qFz8qfdqtgYiA1vcMo5eQl5dXIH4eFL3Mj mnQrXyNwzebe0/8bC85VyWXajGhmX3M7OWb5Ku1CWPdNy2fnsRMiAPdKeXjNne4T6+AG s7Ag== X-Gm-Message-State: AOAM532Av3OW86koyfG0mxbHqr1z6XQuiagP4QbmEBs2z3u+IxRgcJJ3 os7safI8DQ6AGL+IEbLd0kYeGPMF3bn5MRDy74n4rT+HZKllypj0fL2sFwKcdp4yIsN3YYDyWpC lD2gzFPDqpyNsuI7Y1VA= X-Received: by 2002:ab0:43a1:: with SMTP id l30mr6372187ual.126.1610641816894; Thu, 14 Jan 2021 08:30:16 -0800 (PST) X-Google-Smtp-Source: ABdhPJxiywbKCY/04lLeiKyauVlLoQx/wmovKfhZYQwdC6oPt1kr4YMFHe1WkmgVZwLqtqmjQgkprNBugiyKWMf1k2o= X-Received: by 2002:ab0:43a1:: with SMTP id l30mr6372175ual.126.1610641816741; Thu, 14 Jan 2021 08:30:16 -0800 (PST) MIME-Version: 1.0 References: <20201012081106.10610-1-ndabilpuram@marvell.com> <20210112173923.30320-1-ndabilpuram@marvell.com> <20210112173923.30320-4-ndabilpuram@marvell.com> In-Reply-To: <20210112173923.30320-4-ndabilpuram@marvell.com> From: David Marchand Date: Thu, 14 Jan 2021 17:30:05 +0100 Message-ID: To: Nithin Dabilpuram , "Burakov, Anatoly" , David Christensen Cc: Jerin Jacob Kollanukkaran , dev 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 v7 3/3] test: change external memory test to use system page sz 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 Tue, Jan 12, 2021 at 6:39 PM Nithin Dabilpuram wrote: > > Currently external memory test uses 4K page size. > VFIO DMA mapping works only with system page granularity. > > Earlier it was working because all the contiguous mappings > were coalesced and mapped in one-go which ended up becoming > a lot bigger page. Now that VFIO DMA mappings both in IOVA as VA > and IOVA as PA mode, are being done at memseg list granularity, > we need to use system page size. When you say "earlier", do you mean before this series? The other patches have been marked for backports, so either this test change must be too, or its content must be squashed in the right patch of this series. -- David Marchand