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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 524A4C32757 for ; Fri, 9 Aug 2019 08:34:48 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 2EA6121743 for ; Fri, 9 Aug 2019 08:34:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2EA6121743 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hw0M4-00016N-AM; Fri, 09 Aug 2019 08:34:32 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hw0M2-00016I-QQ for xen-devel@lists.xenproject.org; Fri, 09 Aug 2019 08:34:30 +0000 X-Inumbo-ID: 7ffeb14a-ba80-11e9-b03e-8f49c76fffaa Received: from mga02.intel.com (unknown [134.134.136.20]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 7ffeb14a-ba80-11e9-b03e-8f49c76fffaa; Fri, 09 Aug 2019 08:34:28 +0000 (UTC) X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Aug 2019 01:34:26 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,364,1559545200"; d="scan'208";a="175100435" Received: from gao-cwp.sh.intel.com (HELO gao-cwp) ([10.239.159.26]) by fmsmga008.fm.intel.com with ESMTP; 09 Aug 2019 01:34:26 -0700 Date: Fri, 9 Aug 2019 16:38:33 +0800 From: Chao Gao To: xen-devel@lists.xenproject.org Message-ID: <20190809083831.GA30839@gao-cwp> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Subject: [Xen-devel] Reset pass-thru devices in a VM X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" SGkgZXZlcnlvbmUsCgpJIGhhdmUgYSBkZXZpY2Ugd2hpY2ggb25seSBzdXBwb3J0cyBzZWNvbmRh cnkgYnVzIHJlc2V0LiBBZnRlciBiZWluZwphc3NpZ25lZCB0byBhIFZNLCBpdCB3b3VsZCBiZSBw bGFjZWQgdW5kZXIgaG9zdCBicmlkZ2UuIEZvciBkZXZpY2VzCnVuZGVyIGhvc3QgYnJpZGdlLCBz ZWNvbmRhcnkgYnVzIHJlc2V0IGlzIG5vdCBhcHBsaWNhYmxlLiBUaHVzLCBhIFZNCmhhcyBubyB3 YXkgdG8gcmVzZXQgdGhpcyBkZXZpY2UuCgpUaGlzIGRldmljZSdzIHVzYWdlIHdvdWxkIGJlIGxp bWl0ZWQgd2l0aG91dCBQQ0kgcmVzZXQgKGZvciBleGFtcGxlLCBpdHMKZHJpdmVyIGNhbm5vdCBy ZS1pbml0aWFsaXplIHRoZSBkZXZpY2UgcHJvcGVybHkgd2l0aG91dCBQQ0kgcmVzZXQsIHdoaWNo Cm1lYW5zIGluIFZNIGRldmljZSB3b24ndCBiZSB1c2FibGUgYWZ0ZXIgdW5sb2FkaW5nIHRoZSBk cml2ZXIpLCBpdCB3b3VsZApiZSBtdWNoIGJldHRlciBpZiB0aGVyZSBpcyBhIHdheSBhdmFpbGFi bGUgdG8gVk1zIHRvIHJlc2V0IHRoZSBkZXZpY2UuCgpJbiBteSBtaW5kLCBhIHN0cmFpZ2h0Zm93 YXJkIHNvbHV0aW9uIGlzIHRvIGNyZWF0ZSBhIHZpcnR1YWwgYnJpZGdlCmZvciBhIFZNIGFuZCBw bGFjZSB0aGUgcGFzcy10aHJ1IGRldmljZSB1bmRlciBhIHZpcnR1YWwgYnJpZGdlLiBCdXQgaXQK aXNuJ3Qgc3VwcG9ydGVkIGluIFhlbiAoS1ZNL1FFTVUgc3VwcG9ydHMpIGFuZCBlbmFibGluZyBp dCBsb29rcyBuZWVkCmEgbG90IG9mIGVmZm9ydHMuIEFsdGVybmF0aXZlbHksIGVtdWxhdGluZyBG TFIgKEZ1bmN0aW9uIExldmVsIFJlc2V0KQpjYXBhYmlsaXR5IGZvciB0aGlzIGRldmljZSBtaWdo dCBiZSBhIGZlYXNpYmxlIHdheSBhbmQgb25seSBuZWVkcwpyZWxhdGl2ZWx5IGZldyBjaGFuZ2Vz LiBJIGFtIHBsYW5uaW5nIHRvIGVuYWJsZSBhbiBvcHQtaW4gZmVhdHVyZQoobGlrZSAncGVybWlz c2l2ZScpIHRvIGFsbG93IHFlbXUgdG8gZXhwb3NlIEZMUiBjYXBhYmlsaXR5IHRvIGd1ZXN0IGZv cgpwYXNzLXRocnUgZGV2aWNlcyBhcyBsb25nIGFzIHRoaXMgZGV2aWNlIGlzIHJlc2V0YWJsZSBv biBkb20wIChpLmUuIHRoZQpkZXZpY2UgaGFzICdyZXNldCcgYXR0cmlidXRlIHVuZGVyIGl0cyBz eXNmcykuIEFuZCB3aGVuIGd1ZXN0IGluaXRpYXRlcwphbiBGTFIsIHFlbXUganVzdCBlY2hvIDEg dG8gdGhlICdyZXNldCcgYXR0cmlidXRlIG9uIGRvbTAuCgpEbyB5b3UgdGhpbmsgZW11bGF0aW5n IEZMUiBjYXBhYmlsaXR5IGlzIGRvYWJsZT8KClRoYW5rcwpDaGFvCgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhl bi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3Jn L21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs