From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: [PATCH 2/4] xen/x86: Drop erronious barriers Date: Mon, 5 Dec 2016 10:05:15 +0000 Message-ID: <1480932317-22962-3-git-send-email-andrew.cooper3@citrix.com> References: <1480932317-22962-1-git-send-email-andrew.cooper3@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1480932317-22962-1-git-send-email-andrew.cooper3@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Xen-devel Cc: Andrew Cooper , Julien Grall , Stefano Stabellini , Jan Beulich List-Id: xen-devel@lists.xenproject.org Tm9uZSBvZiB0aGVzZSBiYXJyaWVycyBzZXJ2ZSBhbnkgcHVycG9zZSwgYXMgdGhleSBhcmUgbm90 IHN5bmNocm9uaXNpbmcgd2l0aAphbnkgYW55dGhpbmcgb24gcmVtb3RlIENQVXMuCgpTaWduZWQt b2ZmLWJ5OiBBbmRyZXcgQ29vcGVyIDxhbmRyZXcuY29vcGVyM0BjaXRyaXguY29tPgotLS0KQ0M6 IEphbiBCZXVsaWNoIDxKQmV1bGljaEBzdXNlLmNvbT4KQ0M6IFN0ZWZhbm8gU3RhYmVsbGluaSA8 c3N0YWJlbGxpbmlAa2VybmVsLm9yZz4KQ0M6IEp1bGllbiBHcmFsbCA8anVsaWVuLmdyYWxsQGFy bS5jb20+CgpSZXN0cmljdGluZyB0byBqdXN0IHRoZSAkQVJDSCBtYWludGFpbmVycywgYXMgdGhp cyBpcyBhIHByb2plY3Qtd2lkZSBzd2VlcC4KCkp1bGllbi9TdGVmYW5vOiBJIHRoaW5rIHRoZSBB Uk0gc21wYm9vdCBpbmhlcmV0ZWQgdGhlIGVycm9uaW91cyBiYXJyaWVyIHVzYWdlCmZyb20geDg2 LCBidXQgSSBkb24ndCBrbm93IHdoZXRoZXIgZnVydGhlciBkZXZlbG9wbWVudCBoYXMgZ2FpbmVk IGEgZGVwZW5kZW5jZQpvbiB0aGVtLgotLS0KIHhlbi9hcmNoL3g4Ni9hY3BpL2NwdV9pZGxlLmMg IHwgMiAtLQogeGVuL2FyY2gveDg2L2NwdS9tY2hlY2svbWNlLmMgfCAxIC0KIHhlbi9hcmNoL3g4 Ni9jcmFzaC5jICAgICAgICAgIHwgMyAtLS0KIHhlbi9hcmNoL3g4Ni9zbXBib290LmMgICAgICAg IHwgMiAtLQogNCBmaWxlcyBjaGFuZ2VkLCA4IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL3hl bi9hcmNoL3g4Ni9hY3BpL2NwdV9pZGxlLmMgYi94ZW4vYXJjaC94ODYvYWNwaS9jcHVfaWRsZS5j CmluZGV4IGYzNmIxODQuLjA5Yzg4NDggMTAwNjQ0Ci0tLSBhL3hlbi9hcmNoL3g4Ni9hY3BpL2Nw dV9pZGxlLmMKKysrIGIveGVuL2FyY2gveDg2L2FjcGkvY3B1X2lkbGUuYwpAQCAtMTMzMSw4ICsx MzMxLDYgQEAgdm9pZCBjcHVpZGxlX2Rpc2FibGVfZGVlcF9jc3RhdGUodm9pZCkKICAgICAgICAg ICAgIG1heF9jc3RhdGUgPSAxOwogICAgIH0KIAotICAgIG1iKCk7Ci0KICAgICBocGV0X2Rpc2Fi bGVfbGVnYWN5X2Jyb2FkY2FzdCgpOwogfQogCmRpZmYgLS1naXQgYS94ZW4vYXJjaC94ODYvY3B1 L21jaGVjay9tY2UuYyBiL3hlbi9hcmNoL3g4Ni9jcHUvbWNoZWNrL21jZS5jCmluZGV4IDI2OTVi MGMuLjQ2MGUzMzYgMTAwNjQ0Ci0tLSBhL3hlbi9hcmNoL3g4Ni9jcHUvbWNoZWNrL21jZS5jCisr KyBiL3hlbi9hcmNoL3g4Ni9jcHUvbWNoZWNrL21jZS5jCkBAIC04Niw3ICs4Niw2IEBAIHN0YXRp YyB4ODZfbWNlX3ZlY3Rvcl90IF9tYWNoaW5lX2NoZWNrX3ZlY3RvciA9IHVuZXhwZWN0ZWRfbWFj aGluZV9jaGVjazsKIHZvaWQgeDg2X21jZV92ZWN0b3JfcmVnaXN0ZXIoeDg2X21jZV92ZWN0b3Jf dCBoZGxyKQogewogICAgIF9tYWNoaW5lX2NoZWNrX3ZlY3RvciA9IGhkbHI7Ci0gICAgd21iKCk7 CiB9CiAKIC8qIENhbGwgdGhlIGluc3RhbGxlZCBtYWNoaW5lIGNoZWNrIGhhbmRsZXIgZm9yIHRo aXMgQ1BVIHNldHVwLiAqLwpkaWZmIC0tZ2l0IGEveGVuL2FyY2gveDg2L2NyYXNoLmMgYi94ZW4v YXJjaC94ODYvY3Jhc2guYwppbmRleCBmMjhmNTI3Li40Y2FkYjVlIDEwMDY0NAotLS0gYS94ZW4v YXJjaC94ODYvY3Jhc2guYworKysgYi94ZW4vYXJjaC94ODYvY3Jhc2guYwpAQCAtMTQ2LDkgKzE0 Niw2IEBAIHN0YXRpYyB2b2lkIG5taV9zaG9vdGRvd25fY3B1cyh2b2lkKQogICAgIHdyaXRlX2F0 b21pYygodW5zaWduZWQgbG9uZyAqKV9fdmEoX19wYSgmZXhjZXB0aW9uX3RhYmxlW1RSQVBfbm1p XSkpLAogICAgICAgICAgICAgICAgICAodW5zaWduZWQgbG9uZykmZG9fbm1pX2NyYXNoKTsKIAot ICAgIC8qIEVuc3VyZSB0aGUgbmV3IGNhbGxiYWNrIGZ1bmN0aW9uIGlzIHNldCBiZWZvcmUgc2Vu ZGluZyBvdXQgdGhlIE5NSS4gKi8KLSAgICB3bWIoKTsKLQogICAgIHNtcF9zZW5kX25taV9hbGxi dXRzZWxmKCk7CiAKICAgICBtc2VjcyA9IDEwMDA7IC8qIFdhaXQgYXQgbW9zdCBhIHNlY29uZCBm b3IgdGhlIG90aGVyIGNwdXMgdG8gc3RvcCAqLwpkaWZmIC0tZ2l0IGEveGVuL2FyY2gveDg2L3Nt cGJvb3QuYyBiL3hlbi9hcmNoL3g4Ni9zbXBib290LmMKaW5kZXggM2E5ZGQzZS4uMGFhMzc3YSAx MDA2NDQKLS0tIGEveGVuL2FyY2gveDg2L3NtcGJvb3QuYworKysgYi94ZW4vYXJjaC94ODYvc21w Ym9vdC5jCkBAIC0zNDYsNyArMzQ2LDYgQEAgdm9pZCBzdGFydF9zZWNvbmRhcnkodm9pZCAqdW51 c2VkKQogICAgIHNwaW5fZGVidWdfZW5hYmxlKCk7CiAgICAgc2V0X2NwdV9zaWJsaW5nX21hcChj cHUpOwogICAgIG5vdGlmeV9jcHVfc3RhcnRpbmcoY3B1KTsKLSAgICB3bWIoKTsKIAogICAgIC8q CiAgICAgICogV2UgbmVlZCB0byBob2xkIHZlY3Rvcl9sb2NrIHNvIHRoZXJlIHRoZSBzZXQgb2Yg b25saW5lIGNwdXMKQEAgLTM2NCw3ICszNjMsNiBAQCB2b2lkIHN0YXJ0X3NlY29uZGFyeSh2b2lk ICp1bnVzZWQpCiAKICAgICBtaWNyb2NvZGVfcmVzdW1lX2NwdShjcHUpOwogCi0gICAgd21iKCk7 CiAgICAgc3RhcnR1cF9jcHVfaWRsZV9sb29wKCk7CiB9CiAKLS0gCjIuMS40CgoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcg bGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVuLWRl dmVsCg==