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dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:40578 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lb1OG-0006va-O2 for qemu-devel@archiver.kernel.org; Mon, 26 Apr 2021 09:35:08 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40350) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lb1Lq-0005pg-Ss for qemu-devel@nongnu.org; Mon, 26 Apr 2021 09:32:40 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:46349) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lb1Lo-0002JH-Il for qemu-devel@nongnu.org; Mon, 26 Apr 2021 09:32:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1619443954; 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=/mSZ2gXT4lsGprxb52cGb3p/ETNv0Po5qG+u8IyKWmc=; b=hg6ETWfbELIOXD2EAbI3qArrQRpW5OTZ0MG/BVxfZHKjNwM8F56Chmtmhl+tOsAqOZwr9s sXpAcD8+gPvKU5q9vs/XA8HJLSxAdigZM7lfXFnI/teSwlAg4K6W6ncVVCLmEIHnVjlhv9 CNsKCKt7nwKdm4AW7PA4srWfx9IpPA4= 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-50-iXK-HB9BMO-6RcN-8L6UEw-1; Mon, 26 Apr 2021 09:32:31 -0400 X-MC-Unique: iXK-HB9BMO-6RcN-8L6UEw-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 74AD7802B5B; Mon, 26 Apr 2021 13:32:30 +0000 (UTC) Received: from [10.36.112.156] (ovpn-112-156.ams2.redhat.com [10.36.112.156]) by smtp.corp.redhat.com (Postfix) with ESMTP id 742DB10027A5; Mon, 26 Apr 2021 13:32:23 +0000 (UTC) Subject: Re: [PATCH] make vfio and DAX cache work together by skipping virtio fs cache section during vfio memory region add To: Edge NFV References: <20210426054513.132980-1-edgenfv@gmail.com> <20210426054513.132980-2-edgenfv@gmail.com> From: Laurent Vivier Message-ID: <027ed12c-c5ec-6e5e-64d4-831424a35285@redhat.com> Date: Mon, 26 Apr 2021 15:32:22 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <20210426054513.132980-2-edgenfv@gmail.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=lvivier@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 Received-SPF: pass client-ip=170.10.133.124; envelope-from=lvivier@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.219, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: QEMU Trivial , Alex Williamson , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 26/04/2021 07:45, Edge NFV wrote: > Signed-off-by: Edge NFV You must use your real name for a patch submission: https://wiki.qemu.org/Contribute/SubmitAPatch#Patch_emails_must_include_a_Signed-off-by:_line https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/SubmittingPatches?id=f6f94e2ab1b33f0082ac22d71f66385a60d8157f#n297 And CC: maintainer of the file: $ ./scripts/get_maintainer.pl -f hw/vfio/common.c Alex Williamson (supporter:VFIO) qemu-devel@nongnu.org (open list:All patches CC here) If you want to submit it to qemu-trivial, don't send a separate mail, but cc: also qemu-trivial. Thanks, Laurent > --- > hw/vfio/common.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/hw/vfio/common.c b/hw/vfio/common.c > index ae5654fcdb..83e15bf7a3 100644 > --- a/hw/vfio/common.c > +++ b/hw/vfio/common.c > @@ -668,6 +668,15 @@ static void vfio_listener_region_add(MemoryListener *listener, > int128_get64(int128_sub(section->size, int128_one()))); > return; > } > + > + /* Do not add virtio fs cache section */ > + if (!strcmp(memory_region_name(section->mr), "virtio-fs-cache")) { > + trace_vfio_listener_region_add_skip( > + section->offset_within_address_space, > + section->offset_within_address_space + > + int128_get64(int128_sub(section->size, int128_one()))); > + return; > + } > > if (unlikely((section->offset_within_address_space & > ~qemu_real_host_page_mask) != >