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09 Aug 2019 07:09:30 -0700 Date: Fri, 9 Aug 2019 22:13:37 +0800 From: Chao Gao To: Jan Beulich Message-ID: <20190809141336.GA17062@gao-cwp> References: <20190809083831.GA30839@gao-cwp> <20190809132412.GA12877@gao-cwp> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Subject: Re: [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: , Cc: xen-devel@lists.xenproject.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gRnJpLCBBdWcgMDksIDIwMTkgYXQgMDM6MjM6NTlQTSArMDIwMCwgSmFuIEJldWxpY2ggd3Jv dGU6Cj5PbiAwOS4wOC4yMDE5IDE1OjI0LCBDaGFvIEdhbyB3cm90ZToKPj5PbiBGcmksIEF1ZyAw OSwgMjAxOSBhdCAxMDo0OTozMkFNICswMjAwLCBKYW4gQmV1bGljaCB3cm90ZToKPj4+T24gMDku MDguMjAxOSAxMDozOCwgQ2hhbyBHYW8gd3JvdGU6Cj4+Pj5BbHRlcm5hdGl2ZWx5LCBlbXVsYXRp bmcgRkxSIChGdW5jdGlvbiBMZXZlbCBSZXNldCkKPj4+PmNhcGFiaWxpdHkgZm9yIHRoaXMgZGV2 aWNlIG1pZ2h0IGJlIGEgZmVhc2libGUgd2F5IGFuZCBvbmx5IG5lZWRzCj4+Pj5yZWxhdGl2ZWx5 IGZldyBjaGFuZ2VzLiBJIGFtIHBsYW5uaW5nIHRvIGVuYWJsZSBhbiBvcHQtaW4gZmVhdHVyZQo+ Pj4+KGxpa2UgJ3Blcm1pc3NpdmUnKSB0byBhbGxvdyBxZW11IHRvIGV4cG9zZSBGTFIgY2FwYWJp bGl0eSB0byBndWVzdCBmb3IKPj4+PnBhc3MtdGhydSBkZXZpY2VzIGFzIGxvbmcgYXMgdGhpcyBk ZXZpY2UgaXMgcmVzZXRhYmxlIG9uIGRvbTAgKGkuZS4gdGhlCj4+Pj5kZXZpY2UgaGFzICdyZXNl dCcgYXR0cmlidXRlIHVuZGVyIGl0cyBzeXNmcykuIEFuZCB3aGVuIGd1ZXN0IGluaXRpYXRlcwo+ Pj4+YW4gRkxSLCBxZW11IGp1c3QgZWNobyAxIHRvIHRoZSAncmVzZXQnIGF0dHJpYnV0ZSBvbiBk b20wLgo+Pj4+Cj4+Pj5EbyB5b3UgdGhpbmsgZW11bGF0aW5nIEZMUiBjYXBhYmlsaXR5IGlzIGRv YWJsZT8KPj4+Cj4+PldvdWxkbid0IGEgc3VjaCBlbXVsYXRlZCBndWVzdCBpbml0aWF0ZWQgcmVz ZXQgYWZmZWN0IG90aGVyIGRldmljZXMKPj4+KGxpa2VseSBub3QgdW5kZXIgY29udHJvbCBvZiB0 aGlzIGd1ZXN0KSBhcyB3ZWxsPwo+Pgo+Pk5vLiBMaW51eCBrZXJuZWwgZ3VhcmFudGVlcyB0aGF0 IHJlc2V0IHRvIGEgZGV2aWNlIHdvbid0IGFmZmVjdAo+Pm90aGVyIGRldmljZXMuIE90aGVyd2lz ZSwgc3VjaCBkZXZpY2UgY2Fubm90IGJlIHJlc2V0IGFuZCBubwo+PidyZXNldCcgYXR0cmlidXRl IHdpbGwgYmUgY3JlYXRlZCB1bmRlciBkZXZpY2UncyBzeXNmcy4KPj5TcGVjZmljYWxseSwgdGhl IGludm9jYXRpb24gb2YgcGNpX2Rldl9yZXNldF9zbG90X2Z1bmN0aW9uKCkgYW5kCj4+cGNpX3Bh cmVudF9idXNfcmVzZXQoKSBpbiBwY2lfcHJvYmVfcmVzZXRfZnVuY3Rpb24oKSB3aWxsIGNoZWNr IHdoZXRoZXIKPj50aGUgZGV2aWNlIChmdW5jdGlvbikgaXMgdGhlIG9ubHkgb25lIHVuZGVyIHRo ZSBzbG90IG9yIGJ1cwo+PnJlc3BlY3RpdmVseS4gSW4gcGNpX2NyZWF0ZV9jYXBhYmlsaXRpZXNf c3lzZnMoKSwgJ3Jlc2V0JyBhdHRyaWJ1dGUgaXMKPj5jcmVhdGVkIG9ubHkgaWYgZGV2LT5yZXNl dF9mbiBpcyBub3QgemVyby4KPgo+QWgsIGdvb2QuIEJ1dCB0aGVuIHRoZSBvcHBvc2l0ZSBxdWVz dGlvbiBhcmlzZXM6IEhvdyB3b3VsZCB5b3VyCj5wcm9wb3NlZCBjaGFuZ2UgaGVscCBpZiB0aGUg ZGV2aWNlIHNoYXJlcyBhIGJ1cyB3aXRoIG90aGVycz8KCkl0IHdvdWxkbid0LiBJZiB0aGUgZGV2 aWNlIHN1cHBvcnRzIGFueSB3YXkgdG8gcmVzZXQgaXQgaW4gZG9tMCwgdGhpcwpjaGFuZ2Ugd291 bGQgaGVscC4gSWYgZXZlbiBpbiBkb20wIHRoZXJlIGlzIG5vIHdheSB0byByZXNldCBhIGRldmlj ZSwKaXQgd29uJ3QgaGVscC4gQnV0IEkgdGhpbmsgZm9yIHN1Y2ggZGV2aWNlLCBpdCBjYW5ub3Qg YmUgc2FmZWx5IGFzc2lnbmVkCnRvIGEgVk0gYmVjYXVzZSB3ZSByZWx5IG9uIFBDSSByZXNldCB0 byBjbGVhbiB1cCBzZW5zaXRpdmUgZGF0YSBpbiB0aGUKZGV2aWNlIHByb2dyYW1tZWQgYnkgdGhl IHByZXZpb3VzIG93bmVyLgoKVGhhbmtzCkNoYW8KCl9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxp c3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9s aXN0aW5mby94ZW4tZGV2ZWw=