From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 395FBC433DF for ; Wed, 27 May 2020 06:17:13 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 00A5A20723 for ; Wed, 27 May 2020 06:17:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="WxWkZZPD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 00A5A20723 Authentication-Results: mail.kernel.org; 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]:53632 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jdpNI-0001Z6-7d for qemu-devel@archiver.kernel.org; Wed, 27 May 2020 02:17:12 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55070) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jdpMg-0000sz-Fy for qemu-devel@nongnu.org; Wed, 27 May 2020 02:16:34 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:53263 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jdpMf-0004eS-KH for qemu-devel@nongnu.org; Wed, 27 May 2020 02:16:34 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1590560192; 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=lYfpvLn+9J7LNiY6gMjX+ImOx9A+T1kpiqx9tBE7e+Q=; b=WxWkZZPD9qjc5VaSz+1wBfAJAOFLKRw5WoWB6e+M8j7Mckryz7d4W/FyNiB1gKIVevaOYB YfJmcNHhcqqnDRJhYat5G0GuoHJb/SREUe9vqlFIy13MKtHMsOGjY7U74PpqM+IgHeKrF3 VLYMqoXNKt5JYhbJsguB19DSCvnWoMQ= 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-493-GAC8K0fmMdWcen1R2LHwmg-1; Wed, 27 May 2020 02:16:26 -0400 X-MC-Unique: GAC8K0fmMdWcen1R2LHwmg-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 A76A31855A1C for ; Wed, 27 May 2020 06:16:25 +0000 (UTC) Received: from gondolin (ovpn-112-223.ams2.redhat.com [10.36.112.223]) by smtp.corp.redhat.com (Postfix) with ESMTP id 37CA010016EB; Wed, 27 May 2020 06:16:16 +0000 (UTC) Date: Wed, 27 May 2020 08:16:13 +0200 From: Cornelia Huck To: Philippe =?UTF-8?B?TWF0aGlldS1EYXVkw6k=?= Subject: Re: [PATCH] hw/vfio/common: Trace in which mode a IOMMU is opened Message-ID: <20200527081613.720753b3.cohuck@redhat.com> In-Reply-To: <20200526173542.28710-1-philmd@redhat.com> References: <20200526173542.28710-1-philmd@redhat.com> Organization: Red Hat GmbH MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=207.211.31.120; envelope-from=cohuck@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/27 01:25:42 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN 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: Eric Auger , Alex Williamson , qemu-devel@nongnu.org, Peter Xu Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Tue, 26 May 2020 19:35:42 +0200 Philippe Mathieu-Daud=C3=A9 wrote: > One might want to check which IOMMU version the host kernel > provide. Add a trace event to see in which mode we opened > our container. >=20 > Signed-off-by: Philippe Mathieu-Daud=C3=A9 > --- > hw/vfio/common.c | 19 ++++++++++++++----- > hw/vfio/trace-events | 1 + > 2 files changed, 15 insertions(+), 5 deletions(-) Reviewed-by: Cornelia Huck