From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: [PATCH 5/9] x86/vmx: Fix handing of MSR_DEBUGCTL on VMExit Date: Tue, 22 May 2018 12:20:42 +0100 Message-ID: <1526988046-22948-6-git-send-email-andrew.cooper3@citrix.com> References: <1526988046-22948-1-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: <1526988046-22948-1-git-send-email-andrew.cooper3@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Xen-devel Cc: Kevin Tian , Wei Liu , Jan Beulich , Andrew Cooper , Jun Nakajima , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= List-Id: xen-devel@lists.xenproject.org Q3VycmVudGx5LCB3aGVuZXZlciB0aGUgZ3Vlc3Qgd3JpdGVzIGEgbm9uemVybyB2YWx1ZSB0byBN U1JfREVCVUdDVEwsIFhlbgp1cGRhdGVzIGEgaG9zdCBNU1IgbG9hZCBsaXN0IGVudHJ5IHdpdGgg dGhlIGN1cnJlbnQgaGFyZHdhcmUgdmFsdWUgb2YKTVNSX0RFQlVHQ1RMLiAgVGhpcyBpcyB3cm9u Zy4KCk9uIFZNRXhpdCwgaGFyZHdhcmUgYXV0b21hdGljYWxseSByZXNldHMgTVNSX0RFQlVHQ1RM IHRvIDAuICBUaGUgb25seSBjYXNlCndoZXJlIGRpZmZlcmVudCBiZWhhdmlvdXIgaXMgbmVlZGVk IGlzIGlmIFhlbiBpcyBkZWJ1Z2dpbmcgaXRzZWxmLCBhbmQgdGhpcwpuZWVkcyBzZXR0aW5nIHVw IHVuY29uZGl0aW9uYWxseSBmb3IgdGhlIGxpZmV0aW1lIG9mIHRoZSBWTS4KClRoZSBgbGVyYCBj b21tYW5kIGxpbmUgYm9vbGVhbiBpcyB0aGUgb25seSB3YXkgdG8gY29uZmlndXJlIGFueSB1c2Ug b2YKTVNSX0RFQlVHQ1RMIGZvciBYZW4sIHNvIHRpZSB0aGUgaG9zdCBsb2FkIGxpc3QgZW50cnkg dG8gdGhpcyBzZXR0aW5nIGluCmNvbnN0cnVjdF92bWNzKCkuICBBbnkgcnVudGltZSB1cGRhdGUg b2YgWGVuJ3MgTVNSX0RFQlVHQ1RMIHNldHRpbmcgcmVxdWlyZXMKbW9yZSBjb21wbGljYXRlZCBz eW5jaHJvbmlzYXRpb24gYWNyb3NzIGFsbCB0aGUgcnVubmluZyBWTXMuCgpJbiB0aGUgZXhjZWVk aW5nbHkgY29tbW9uIGNhc2UsIHRoaXMgYXZvaWRzIHRoZSB1bm5lY2Vzc2FyeSBvdmVyaGVhZCBv ZiBoYXZpbmcKYSBob3N0IGxvYWQgZW50cnkgcGVyZm9ybWluZyB0aGUgc2FtZSB6ZXJvaW5nIG9w ZXJhdGlvbiB0aGF0IGhhcmR3YXJlIGhhcwphbHJlYWR5IHBlcmZvcm1lZCBhcyBwYXJ0IG9mIHRo ZSBWTUV4aXQuCgpTaWduZWQtb2ZmLWJ5OiBBbmRyZXcgQ29vcGVyIDxhbmRyZXcuY29vcGVyM0Bj aXRyaXguY29tPgotLS0KQ0M6IEphbiBCZXVsaWNoIDxKQmV1bGljaEBzdXNlLmNvbT4KQ0M6IEp1 biBOYWthamltYSA8anVuLm5ha2FqaW1hQGludGVsLmNvbT4KQ0M6IEtldmluIFRpYW4gPGtldmlu LnRpYW5AaW50ZWwuY29tPgpDQzogV2VpIExpdSA8d2VpLmxpdTJAY2l0cml4LmNvbT4KQ0M6IFJv Z2VyIFBhdSBNb25uw6kgPHJvZ2VyLnBhdUBjaXRyaXguY29tPgoKTm90ZXMgZm9yIGJhY2twb3J0 aW5nOiBUaGlzIGNoYW5nZSBwcm9iYWJseSBkb2VzIHdhbnQgYmFja3BvcnRpbmcsIGJ1dCBkZXBl bmRzCm9uIHRoZSBwcmV2aW91cyBwYXRjaCAiU3VwcG9ydCByZW1vdGUgYWNjZXNzIHRvIHRoZSBN U1IgbGlzdHMiLCBhbmQgYWRkcyBhbgpleHRyYSByZG1zciB0byB0aGUgdmNwdSBjb25zdHJ1Y3Rp b24gcGF0aCAocmVzb2x2ZWQgaW4gYSBsYXRlciBwYXRjaCkuCi0tLQogeGVuL2FyY2gveDg2L2h2 bS92bXgvdm1jcy5jIHwgNiArKysrKysKIHhlbi9hcmNoL3g4Ni9odm0vdm14L3ZteC5jICB8IDMg Ky0tCiAyIGZpbGVzIGNoYW5nZWQsIDcgaW5zZXJ0aW9ucygrKSwgMiBkZWxldGlvbnMoLSkKCmRp ZmYgLS1naXQgYS94ZW4vYXJjaC94ODYvaHZtL3ZteC92bWNzLmMgYi94ZW4vYXJjaC94ODYvaHZt L3ZteC92bWNzLmMKaW5kZXggOGJmNTRjNC4uMjAzNWE2ZCAxMDA2NDQKLS0tIGEveGVuL2FyY2gv eDg2L2h2bS92bXgvdm1jcy5jCisrKyBiL3hlbi9hcmNoL3g4Ni9odm0vdm14L3ZtY3MuYwpAQCAt OTk2LDYgKzk5Niw3IEBAIHN0YXRpYyBpbnQgY29uc3RydWN0X3ZtY3Moc3RydWN0IHZjcHUgKnYp CiAgICAgc3RydWN0IGRvbWFpbiAqZCA9IHYtPmRvbWFpbjsKICAgICB1MzIgdm1leGl0X2N0bCA9 IHZteF92bWV4aXRfY29udHJvbDsKICAgICB1MzIgdm1lbnRyeV9jdGwgPSB2bXhfdm1lbnRyeV9j b250cm9sOworICAgIGludCByYzsKIAogICAgIHZteF92bWNzX2VudGVyKHYpOwogCkBAIC0xMjY2 LDYgKzEyNjcsMTEgQEAgc3RhdGljIGludCBjb25zdHJ1Y3Rfdm1jcyhzdHJ1Y3QgdmNwdSAqdikK ICAgICBpZiAoIGNwdV9oYXNfdm14X3RzY19zY2FsaW5nICkKICAgICAgICAgX192bXdyaXRlKFRT Q19NVUxUSVBMSUVSLCBkLT5hcmNoLmh2bV9kb21haW4udHNjX3NjYWxpbmdfcmF0aW8pOwogCisg ICAgLyogSWYgdXNpbmcgaG9zdCBkZWJ1Z2dpbmcsIHJlc3RvcmUgWGVuJ3Mgc2V0dGluZyBvbiB2 bWV4aXQuICovCisgICAgaWYgKCB0aGlzX2NwdShsZXJfbXNyKSAmJgorICAgICAgICAgKHJjID0g dm14X2FkZF9ob3N0X2xvYWRfbXNyKHYsIE1TUl9JQTMyX0RFQlVHQ1RMTVNSKSkgICkKKyAgICAg ICAgcmV0dXJuIHJjOworCiAgICAgdm14X3ZtY3NfZXhpdCh2KTsKIAogICAgIC8qIHdpbGwgdXBk YXRlIEhPU1QgJiBHVUVTVF9DUjMgYXMgcmVxZCAqLwpkaWZmIC0tZ2l0IGEveGVuL2FyY2gveDg2 L2h2bS92bXgvdm14LmMgYi94ZW4vYXJjaC94ODYvaHZtL3ZteC92bXguYwppbmRleCAzOTUwYjEy Li5mOWNmYjZkIDEwMDY0NAotLS0gYS94ZW4vYXJjaC94ODYvaHZtL3ZteC92bXguYworKysgYi94 ZW4vYXJjaC94ODYvaHZtL3ZteC92bXguYwpAQCAtMzEyMCw4ICszMTIwLDcgQEAgc3RhdGljIGlu dCB2bXhfbXNyX3dyaXRlX2ludGVyY2VwdCh1bnNpZ25lZCBpbnQgbXNyLCB1aW50NjRfdCBtc3Jf Y29udGVudCkKICAgICAgICAgICAgICAgICAgICAgfQogICAgICAgICB9CiAKLSAgICAgICAgaWYg KCAocmMgPCAwKSB8fAotICAgICAgICAgICAgIChtc3JfY29udGVudCAmJiAodm14X2FkZF9ob3N0 X2xvYWRfbXNyKHYsIG1zcikgPCAwKSkgKQorICAgICAgICBpZiAoIHJjIDwgMCApCiAgICAgICAg ICAgICBodm1faW5qZWN0X2h3X2V4Y2VwdGlvbihUUkFQX21hY2hpbmVfY2hlY2ssIFg4Nl9FVkVO VF9OT19FQyk7CiAgICAgICAgIGVsc2UKICAgICAgICAgICAgIF9fdm13cml0ZShHVUVTVF9JQTMy X0RFQlVHQ1RMLCBtc3JfY29udGVudCk7Ci0tIAoyLjEuNAoKCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRl dmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFp bG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=