From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: Ping: [PATCH] x86: restrict HVMOP_pagetable_dying to current Date: Fri, 26 Oct 2018 12:15:42 +0100 Message-ID: References: <5BB74B1A02000078001EECBE@prv1-mh.provo.novell.com> <6acd9399-9e43-5f01-defd-068ee81ee479@citrix.com> <5BB7532802000078001EED52@prv1-mh.provo.novell.com> <5BD2F68002000078001F50E1@prv1-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from all-amaz-eas1.inumbo.com ([34.197.232.57]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gG06L-0001YP-Rp for xen-devel@lists.xenproject.org; Fri, 26 Oct 2018 11:16:25 +0000 In-Reply-To: <5BD2F68002000078001F50E1@prv1-mh.provo.novell.com> Content-Language: en-GB List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Jan Beulich Cc: George Dunlap , xen-devel , Wei Liu , Tim Deegan List-Id: xen-devel@lists.xenproject.org T24gMjYvMTAvMTggMTI6MTIsIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+IE9uIDA1LjEwLjE4IGF0 IDE0OjAzLCA8SkJldWxpY2hAc3VzZS5jb20+IHdyb3RlOgo+Pj4+PiBPbiAwNS4xMC4xOCBhdCAx Mzo1OCwgPGFuZHJldy5jb29wZXIzQGNpdHJpeC5jb20+IHdyb3RlOgo+Pj4gT24gMDUvMTAvMTgg MTI6MjksIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+IFRoaXMgaXMgbm90IHVzZWQgKGFuZCBwcm9i YWJseSB3YXMgbmV2ZXIgbWVhbnQgdG8gYmUpIGJ5IHRoZSB0b29sIHN0YWNrLgo+Pj4+IExpbWl0 aW5nIGl0IHRvIHRoZSBjdXJyZW50IGRvbWFpbiBpbiBwYXJ0aWN1bGFyIGFsbG93cyB0byBlbGlt aW5hdGUgYQo+Pj4+IGJvZ3VzIHVzZSBvZiB2Q1BVIDAgaW4gcGFnZXRhYmxlX2R5aW5nKCkuCj4+ Pj4KPj4+PiBSZW1vdmUgdGhlIG5vdyB1bm5lY2Vzc2FyeSBkb21haW4vdkNQVSBwYXJhbWV0ZXJz IGZyb20gdGhlIHdyYXBwZXIvaG9vawo+Pj4+IGZ1bmN0aW9ucyBhdCB0aGUgc2FtZSB0aW1lLgo+ Pj4+Cj4+Pj4gU2lnbmVkLW9mZi1ieTogSmFuIEJldWxpY2ggPGpiZXVsaWNoQHN1c2UuY29tPgo+ Pj4+Cj4+Pj4gLS0tIGEveGVuL2FyY2gveDg2L2h2bS9odm0uYwo+Pj4+ICsrKyBiL3hlbi9hcmNo L3g4Ni9odm0vaHZtLmMKPj4+PiBAQCAtNDg5NSwxMCArNDg5NSwxMiBAQCBsb25nIGRvX2h2bV9v cCh1bnNpZ25lZCBsb25nIG9wLCBYRU5fR1VFCj4+Pj4gICAgICAgICAgICAgIHJldHVybiAtRVNS Q0g7Cj4+Pj4gIAo+Pj4+ICAgICAgICAgIHJjID0gLUVJTlZBTDsKPj4+PiAtICAgICAgICBpZiAo IGlzX2h2bV9kb21haW4oZCkgJiYgcGFnaW5nX21vZGVfc2hhZG93KGQpICkKPj4+PiArICAgICAg ICBpZiAoIHVubGlrZWx5KGQgIT0gY3VycmVudC0+ZG9tYWluKSApCj4+Pj4gKyAgICAgICAgICAg IHJjID0gLUVPUE5PVFNVUFA7Cj4+Pj4gKyAgICAgICAgZWxzZSBpZiAoIGlzX2h2bV9kb21haW4o ZCkgJiYgcGFnaW5nX21vZGVfc2hhZG93KGQpICkKPj4+PiAgICAgICAgICAgICAgcmMgPSB4c21f aHZtX3BhcmFtKFhTTV9UQVJHRVQsIGQsIG9wKTsKPj4+IEFzIHdlJ3JlIHN3aXRjaGluZyB0byBj dXJyZW50LW9ubHksIHNob3VsZG4ndCB0aGlzIHR1cm4gdG8gWFNNX0hPT0sgPwo+PiBOb3Qgc3Vy ZSAtIEkgc2ltcGx5IGRpZG4ndCB3YW50IHRvIGZpZGRsZSB3aXRoIGFueSBvZiB0aGUgc2VtYW50 aWNzLAo+PiBhbmQga2VlcGluZyBpdCBhcyBpdCBpcyBtYXkgYmUgc3ViLW9wdGltYWwsIGJ1dCBp cyBjZXJ0YWlubHkgbm90IGdvaW5nCj4+IHRvIGJlIHdyb25nLgo+IEFyZSB5b3UgZmluZSB3aXRo IHRoZSBhYm92ZSwgb3IgZG8geW91IGRlbWFuZCB0aGUgY2hhbmdlIGluCj4gb3JkZXIgdG8gZ2l2 ZSB5b3VyIGFjaz8KPgo+Pj4gRXZlcnl0aGluZyBlbHNlIExHVE0sIHdpdGggb25lIHNtYWxsIHN1 Z2dlc3Rpb24uLi4uCj4+Pgo+Pj4+ICAgICAgICAgIGlmICggIXJjICkKPj4+PiAtICAgICAgICAg ICAgcGFnZXRhYmxlX2R5aW5nKGQsIGEuZ3BhKTsKPj4+PiArICAgICAgICAgICAgcGFnZXRhYmxl X2R5aW5nKGEuZ3BhKTsKPj4+PiAgCj4+Pj4gICAgICAgICAgcmN1X3VubG9ja19kb21haW4oZCk7 Cj4+Pj4gICAgICAgICAgYnJlYWs7Cj4+Pj4gLS0tIGEveGVuL2luY2x1ZGUvYXNtLXg4Ni9wYWdp bmcuaAo+Pj4+ICsrKyBiL3hlbi9pbmNsdWRlL2FzbS14ODYvcGFnaW5nLmgKPj4+PiBAQCAtMzQ1 LDcgKzM0NSw3IEBAIHZvaWQgcGFnaW5nX3dyaXRlX3AybV9lbnRyeShzdHJ1Y3QgcDJtX2QKPj4+ PiAgCj4+Pj4gIC8qIENhbGxlZCBmcm9tIHRoZSBndWVzdCB0byBpbmRpY2F0ZSB0aGF0IHRoZSBh IHByb2Nlc3MgaXMgYmVpbmcKPj4+PiAgICogdG9ybiBkb3duIGFuZCBpdHMgcGFnZXRhYmxlcyB3 aWxsIHNvb24gYmUgZGlzY2FyZGVkICovCj4+Pj4gLXZvaWQgcGFnZXRhYmxlX2R5aW5nKHN0cnVj dCBkb21haW4gKmQsIHBhZGRyX3QgZ3BhKTsKPj4+PiArdm9pZCBwYWdldGFibGVfZHlpbmcocGFk ZHJfdCBncGEpOwo+Pj4gRml4IHRoZSBjb21tZW50IHN0eWxlIHdoaWxlIGluIHRoaXMgYXJlYT8K Pj4gV2VsbCwgSSBjYW4gY2VydGFpbmx5IGRvIHNvIC0gSSBkaWRuJ3QgYmVjYXVzZSBJIGRpZG4n dCB0b3VjaCB0aGUKPj4gY29tbWVudCBpdHNlbGYuCj4gSSBkaWRuJ3QgdGhpbmsgaXQgd2FzIG5l Y2Vzc2FyeSB0byByZS1zdWJtaXQgd2l0aCBqdXN0IHRoaXMgYWRqdXN0bWVudCwKPiB0aGUgbW9y ZSB0aGF0IGl0IHdhcyBhIHN1Z2dlc3Rpb24gb25seSBhbnl3YXkuIElzIHRoZXJlIGFueXRoaW5n Cj4gZWxzZSB0aGF0IG5lZWRzIHRha2luZyBjYXJlIG9mIGJlZm9yZSBJIGNhbiBnZXQgeW91IGFj ayBmb3IgdGhlCj4gbm9uLW1tIHBhcnRzPwoKTGV0cyBub3Qgd2FzdGUgdGltZSBhcmd1aW5nLsKg IEFja2VkLWJ5OiBBbmRyZXcgQ29vcGVyCjxhbmRyZXcuY29vcGVyM0BjaXRyaXguY29tPgoKX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1h aWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54 ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==