From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: [PATCH v2] x86/vtd: fix IOMMU share PT destruction path Date: Tue, 9 Oct 2018 15:57:08 +0100 Message-ID: <20181009145708.23976-1-wei.liu2@citrix.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 1g9tRg-0006Cn-S9 for xen-devel@lists.xenproject.org; Tue, 09 Oct 2018 14:57:12 +0000 List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: xen-devel@lists.xenproject.org Cc: Kevin Tian , Paul Durrant , Wei Liu , Jan Beulich , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= List-Id: xen-devel@lists.xenproject.org Q29tbWl0IDI5MTY5NTFjMSAoIm1tIC8gaW9tbXU6IGluY2x1ZGUgbmVlZF9pb21tdSgpIHRlc3Qg aW4KaW9tbXVfdXNlX2hhcF9wdCgpIikgaW5jbHVkZWQgbmVlZF9pb21tdSgpIGluIGlvbW11X3Vz ZV9oYXBfcHQgYW5kCjkxZDRlY2E3YWRkICgibW0gLyBpb21tdTogc3BsaXQgbmVlZF9pb21tdSgp IGludG8gaGFzX2lvbW11X3B0KCkgYW5kCm5lZWRfaW9tbXVfcHRfc3luYygpIikgbWFkZSB0aGlu Z3MgZmluZXIgZ3JhaW4gYnkgc3BsaXRpbmcgbmVlZF9pb21tdQppbnRvIHRocmVlIHN0YXRlcy4K ClRoZSBkZXN0cnVjdGlvbiBwYXRoIGNhbid0IHVzZSBpb21tdV91c2VfaGFwX3B0IGJlY2F1c2Ug YXQgdGhlIHBvaW50CnBsYXRmb3JtIG9wIGlzIGNhbGxlZCwgSU9NTVUgaXMgZWl0aGVyIGFscmVh ZHkgc3dpdGNoZWQgdG8gb3IgaGFzCmFsd2F5cyBiZWVuIGluIGRpc2FibGVkIHN0YXRlLCBhbmQg dGhlIHNoYXJlZCBQVCB0ZXN0IHdvdWxkIGFsd2F5cyBiZQpmYWxzZS4KClNpZ25lZC1vZmYtYnk6 IFdlaSBMaXUgPHdlaS5saXUyQGNpdHJpeC5jb20+Ci0tLQp2MjogZml4IGJ1ZyBhbmQgdXBkYXRl IGNvbW1lbnQuCi0tLQogeGVuL2RyaXZlcnMvcGFzc3Rocm91Z2gvdnRkL2lvbW11LmMgfCAxMiAr KysrKysrKysrKy0KIDEgZmlsZSBjaGFuZ2VkLCAxMSBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9u KC0pCgpkaWZmIC0tZ2l0IGEveGVuL2RyaXZlcnMvcGFzc3Rocm91Z2gvdnRkL2lvbW11LmMgYi94 ZW4vZHJpdmVycy9wYXNzdGhyb3VnaC92dGQvaW9tbXUuYwppbmRleCBmOTRiNTIyYzczLi40ZDFm ZjEwODE3IDEwMDY0NAotLS0gYS94ZW4vZHJpdmVycy9wYXNzdGhyb3VnaC92dGQvaW9tbXUuYwor KysgYi94ZW4vZHJpdmVycy9wYXNzdGhyb3VnaC92dGQvaW9tbXUuYwpAQCAtMTc1Miw3ICsxNzUy LDE3IEBAIHN0YXRpYyB2b2lkIGlvbW11X2RvbWFpbl90ZWFyZG93bihzdHJ1Y3QgZG9tYWluICpk KQogICAgICAgICB4ZnJlZShtcm1ycik7CiAgICAgfQogCi0gICAgaWYgKCBpb21tdV91c2VfaGFw X3B0KGQpICkKKyAgICBBU1NFUlQoaW9tbXVfZW5hYmxlZCk7CisKKyAgICAvKgorICAgICAqIFdl IGNhbid0IHVzZSBpb21tdV91c2VfaGFwX3B0IGhlcmUgYmVjYXVzZSBlaXRoZXIgSU9NTVUgc3Rh dGUKKyAgICAgKiBpcyBhbHJlYWR5IGNoYW5nZWQgdG8gSU9NTVVfU1RBVFVTX2Rpc2FibGVkIGF0 IHRoaXMgcG9pbnQgb3IKKyAgICAgKiBoYXMgYWx3YXlzIGJlZW4gSU9NTVVfU1RBVFVTX2Rpc2Fi bGVkLgorICAgICAqCisgICAgICogV2UgYWxzbyBuZWVkIHRvIHRlc3QgaWYgSEFQIGlzIGVuYWJs ZWQgYmVjYXVzZSBQViBndWVzdHMgY2FuCisgICAgICogZW50ZXIgdGhpcyBwYXRoIHRvby4KKyAg ICAgKi8KKyAgICBpZiAoIGhhcF9lbmFibGVkKGQpICYmIGlvbW11X2hhcF9wdF9zaGFyZSApCiAg ICAgICAgIHJldHVybjsKIAogICAgIHNwaW5fbG9jaygmaGQtPmFyY2gubWFwcGluZ19sb2NrKTsK LS0gCjIuMTEuMAoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3Jn Cmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=