From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [PATCH] QEMU as non-root and PCI passthrough do not mix Date: Thu, 14 Jan 2016 10:39:52 +0000 Message-ID: <1452767992.2185.16.camel@citrix.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Stefano Stabellini , xen-devel@lists.xensource.com Cc: Wei Liu , Ian Jackson List-Id: xen-devel@lists.xenproject.org T24gVHVlLCAyMDE2LTAxLTEyIGF0IDE2OjUyICswMDAwLCBTdGVmYW5vIFN0YWJlbGxpbmkgd3Jv dGU6Cj4gUENJIHBhc3N0aHJvdWdoIGNhbm5vdCB3b3JrIGlmIFFFTVUgaXMgcnVuIGFzIGEgbm9u LXJvb3QgcHJvY2VzcyB0b2RheSwKPiBhcyBRRU1VIG5lZWRzIHRvIG9wZW4gL2Rldi9tZW0gdG8g bW1hcCB0aGUgTVNJLVggdGFibGUgb2YgdGhlIGRldmljZSBhbmQKPiByZWFkL3dyaXRlIHJlbGV2 YW50IG5vZGVzIG9uIHN5c2ZzLgo+IAo+IFVwZGF0ZSB0aGUgZG9jcyB0byByZWZsZWN0IHRoYXQu Cj4gCj4gUnVuIFFFTVUgYXMgcm9vdCBhbmQgcHJpbnQgYSB3YXJuaW5nIGlmIGF0IGxlYXN0IG9u ZSBQQ0kgZGV2aWNlIGhhcyBiZWVuCj4gYXNzaWduZWQgdG8gdGhlIGd1ZXN0IGF0IGRvbWFpbiBj cmVhdGlvbi4gUHJpbnQgYSBkZWJ1ZyBtZXNzYWdlIG9uIHBjaQo+IGhvdHBsdWcuCj4gCj4gU2ln bmVkLW9mZi1ieTogU3RlZmFubyBTdGFiZWxsaW5pIDxzdGVmYW5vLnN0YWJlbGxpbmlAZXUuY2l0 cml4LmNvbT4KPiAKPiBkaWZmIC0tZ2l0IGEvZG9jcy9taXNjL3FlbXUtZGVwcml2aWxlZ2UudHh0 IGIvZG9jcy9taXNjL3FlbXUtCj4gZGVwcml2aWxlZ2UudHh0Cj4gaW5kZXggZGRlNzRhYi4uY2Y1 MjU0NyAxMDA2NDQKPiAtLS0gYS9kb2NzL21pc2MvcWVtdS1kZXByaXZpbGVnZS50eHQKPiArKysg Yi9kb2NzL21pc2MvcWVtdS1kZXByaXZpbGVnZS50eHQKPiBAQCAtMjksMyArMjksMTMgQEAgYWRk dXNlciAtLW5vLWNyZWF0ZS1ob21lIC0tc3lzdGVtIHhlbi1xZW11dXNlci1zaGFyZWQKPiDCoAo+ IMKgMykgcm9vdAo+IMKgQXMgYSBsYXN0IHJlc29ydCwgbGlieGwgd2lsbCBzdGFydCBRRU1VIGFz IHJvb3QuCj4gKwo+ICsKPiArUGxlYXNlIG5vdGUgdGhhdCBRRU1VIHdpbGwgc3RpbGwgYmUgcnVu IGFzIHJvb3Qgd2hlbiBQQ0kgZGV2aWNlcyBhcmUKPiArYXNzaWduZWQgdG8gdGhlIHZpcnR1YWwg bWFjaGluZSAoaWYgeW91IHNwZWNpZmllZCBwY2k9WyIkUENJX0JERiJdIGluCj4gK3lvdXIgVk0g Y29uZmlnIGZpbGUsIHdoZXJlICRQQ0lfQkRGIGlzIHRoZSBQQ0kgQkRGIG9mIHRoZSBkZXZpY2Ug eW91Cj4gK3dhbnQgdG8gYXNzaWduKS4gSWYgeW91IHdhbnQgdG8gaG90cGx1ZyBhIFBDSSBkZXZp Y2Ugc29tZXRpbWUgYWZ0ZXIgdGhlCj4gK1ZNIGhhcyBzdGFydGVkLCB5b3UgbmVlZCB0byBtYWtl IHN1cmUgdGhhdCB0aGUgUUVNVSBpbnN0YW5jZSBvZiB0aGF0IFZNCj4gK2hhcyByb290IHByaXZp bGVnZXMgKGZvciBleGFtcGxlIGJ5IG5vdCBzcGVjaWZ5aW5nIGVpdGhlcgo+ICt4ZW4tcWVtdXVz ZXItc2hhcmVkIG9yIHhlbi1xZW11dXNlci1kb21pZCRkb21pZCwgb3IgYnkgZ2l2aW5nIHJvb3QK PiArcHJpdmlsZWdlcyB0byB4ZW4tcWVtdXVzZXItZG9taWQkZG9taWQpLgo+IGRpZmYgLS1naXQg YS90b29scy9saWJ4bC9saWJ4bF9kbS5jIGIvdG9vbHMvbGlieGwvbGlieGxfZG0uYwo+IGluZGV4 IDBhYWVmZDkuLjZiOTg3NTAgMTAwNjQ0Cj4gLS0tIGEvdG9vbHMvbGlieGwvbGlieGxfZG0uYwo+ ICsrKyBiL3Rvb2xzL2xpYnhsL2xpYnhsX2RtLmMKPiBAQCAtMTI1NCw2ICsxMjU0LDEyIEBAIHN0 YXRpYyBpbnQKPiBsaWJ4bF9fYnVpbGRfZGV2aWNlX21vZGVsX2FyZ3NfbmV3KGxpYnhsX19nYyAq Z2MsCj4gwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqBicmVhazsKPiDCoMKgwqDCoMKgwqDCoMKg wqB9Cj4gwqAKPiArwqDCoMKgwqDCoMKgwqDCoC8qIERvIG5vdCBydW4gUUVNVSBhcyBub24tcm9v dCBpZiBQQ0kgZGV2aWNlcyBhcmUgYXNzaWduZWQgKi8KPiArwqDCoMKgwqDCoMKgwqDCoGlmIChn dWVzdF9jb25maWctPm51bV9wY2lkZXZzID4gMCkgewo+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqBMT0coV0FSTiwgIkNhbm5vdCBydW4gUUVNVSBhcyBub24tcm9vdCB3aGVuIFBDSSBkZXZpY2Vz IGFyZQo+IGJlaW5nIGFzc2lnbmVkIHRvIHRoZSBndWVzdCBWTSIpOwo+ICvCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqBnb3RvIGVuZF9zZWFyY2g7Cj4gK8KgwqDCoMKgwqDCoMKgwqB9CgpXaGF0IGlm IGJfaW5mby0+ZGV2aWNlX21vZGVsX3VzZXIgaXMgTlVMTCBvciA9PSAicm9vdCI/IERvZXNuJ3Qg dGhpcyB3YXJuCmV2ZW4gdGhlbj8KCkNvbnZlcnNlbHkgaWYgaXQgaXMgIT0gcm9vdCBhbmQgbnVt X3BjaWRldnMgPiAwIHRoZW4gaXQgb3VnaHQgdG8gZXJyb3Igb3V0LApzaW5jZSBydW5uaW5nIGFz IHJvb3Qgd2hlbiB0aGUgY29uZmlnIGV4cGxpY2l0bHkgc2F5cyBvdGhlcndpc2Ugd291bGQgYmUK d3JvbmcgSSB0aGluay4KCj4gKwo+IMKgwqDCoMKgwqDCoMKgwqDCoGlmIChiX2luZm8tPmRldmlj ZV9tb2RlbF91c2VyKSB7Cj4gwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqB1c2VyID0gYl9pbmZv LT5kZXZpY2VfbW9kZWxfdXNlcjsKPiDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoGdvdG8gZW5k X3NlYXJjaDsKPiBkaWZmIC0tZ2l0IGEvdG9vbHMvbGlieGwvbGlieGxfcGNpLmMgYi90b29scy9s aWJ4bC9saWJ4bF9wY2kuYwo+IGluZGV4IGRjMTBjYjcuLjA0ZDBkZDQgMTAwNjQ0Cj4gLS0tIGEv dG9vbHMvbGlieGwvbGlieGxfcGNpLmMKPiArKysgYi90b29scy9saWJ4bC9saWJ4bF9wY2kuYwo+ IEBAIC0xMTc2LDYgKzExNzYsOSBAQCBpbnQgbGlieGxfZGV2aWNlX3BjaV9hZGQobGlieGxfY3R4 ICpjdHgsIHVpbnQzMl90Cj4gZG9taWQsCj4gwqB7Cj4gwqDCoMKgwqDCoEFPX0NSRUFURShjdHgs IGRvbWlkLCBhb19ob3cpOwo+IMKgwqDCoMKgwqBpbnQgcmM7Cj4gKwo+ICvCoMKgwqDCoExPRyhE RUJVRywgIlFFTVUgbmVlZHMgdG8gYmUgcnVuIGFzIHJvb3QgZm9yIFBDSSBwYXNzdGhyb3VnaCB0 byB3b3JrIik7CgpTaG91bGRuJ3QgdGhlcmUgYmUgYW4gaWYgaGVyZSwgYW5kL29yIGFuIGVycm9y IHJldHVybj8KCj4gKwo+IMKgwqDCoMKgwqByYyA9IGxpYnhsX19kZXZpY2VfcGNpX2FkZChnYywg ZG9taWQsIHBjaWRldiwgMCk7Cj4gwqDCoMKgwqDCoGxpYnhsX19hb19jb21wbGV0ZShlZ2MsIGFv LCByYyk7Cj4gwqDCoMKgwqDCoHJldHVybiBBT19JTlBST0dSRVNTOwoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApY ZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK