From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: [PATCH v6.5 13/26] x86/amd: Try to set lfence as being Dispatch Serialising Date: Thu, 4 Jan 2018 00:15:42 +0000 Message-ID: <1515024955-13390-14-git-send-email-andrew.cooper3@citrix.com> References: <1515024955-13390-1-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: <1515024955-13390-1-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: Andrew Cooper List-Id: xen-devel@lists.xenproject.org VGhpcyBwcm9wZXJ0eSBpcyByZXF1aXJlZCBmb3IgdGhlIEFNRCdzIHJlY29tbWVuZGVkIG1pdGln YXRpb24gZm9yIEJyYW5jaApUYXJnZXQgSW5qZWN0aW9uLCBidXQgWGVuIG5lZWRzIHRvIGNvcGUg d2l0aCBiZWluZyB1bmFibGUgdG8gZGV0ZWN0IG9yIG1vZGlmeQp0aGUgTVNSLgoKU2lnbmVkLW9m Zi1ieTogQW5kcmV3IENvb3BlciA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4KLS0tCnY0Ogog KiBOZXcKdjU6CiAqIFVzZSBtbmVtb25pY3MuCi0tLQogeGVuL2FyY2gveDg2L2NwdS9hbWQuYyAg ICAgICAgICAgIHwgMzUgKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKy0KIHhlbi9p bmNsdWRlL2FzbS14ODYvY3B1ZmVhdHVyZS5oICB8ICAxICsKIHhlbi9pbmNsdWRlL2FzbS14ODYv Y3B1ZmVhdHVyZXMuaCB8ICAxICsKIHhlbi9pbmNsdWRlL2FzbS14ODYvbXNyLWluZGV4LmggICB8 ICAxICsKIDQgZmlsZXMgY2hhbmdlZCwgMzcgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQoK ZGlmZiAtLWdpdCBhL3hlbi9hcmNoL3g4Ni9jcHUvYW1kLmMgYi94ZW4vYXJjaC94ODYvY3B1L2Ft ZC5jCmluZGV4IDVmMzZhYzcuLmRiNzhiNTAgMTAwNjQ0Ci0tLSBhL3hlbi9hcmNoL3g4Ni9jcHUv YW1kLmMKKysrIGIveGVuL2FyY2gveDg2L2NwdS9hbWQuYwpAQCAtNTU4LDggKzU1OCw0MSBAQCBz dGF0aWMgdm9pZCBpbml0X2FtZChzdHJ1Y3QgY3B1aW5mb194ODYgKmMpCiAJCQl3cm1zcl9hbWRf c2FmZSgweGMwMDExMDBkLCBsLCBoICYgfjEpOwogCX0KIAorCS8qCisJICogQXR0ZW1wdCB0byBz ZXQgbGZlbmNlIHRvIGJlIERpc3BhdGNoIFNlcmlhbGlzaW5nLiAgVGhpcyBNU1IgYWxtb3N0CisJ ICogY2VydGFpbmx5IGlzbid0IHZpcnR1YWxpc2VkIChhbmQgWGVuIGF0IGxlYXN0IHdpbGwgbGVh ayB0aGUgcmVhbAorCSAqIHZhbHVlIGluIGJ1dCBzaWxlbnRseSBkaXNjYXJkIHdyaXRlcyksIGFz IHdlbGwgYXMgYmVpbmcgcGVyLWNvcmUKKwkgKiByYXRoZXIgdGhhbiBwZXItdGhyZWFkLCBzbyBk byBhIGZ1bGwgc2FmZSByZWFkL3dyaXRlL3JlYWRiYWNrIGN5Y2xlCisJICogaW4gdGhlIHdvcnN0 IGNhc2UuCisJICovCisJaWYgKGMtPng4NiA9PSAweDBmIHx8IGMtPng4NiA9PSAweDExKQorCQkv KiBBbHdheXMgZGlzcGF0Y2ggc2VyaWFsaXNpbmcgb24gdGhpcyBoYXJkYXJlLiAqLworCQlfX3Nl dF9iaXQoWDg2X0ZFQVRVUkVfTEZFTkNFX0RJU1BBVENILCBjLT54ODZfY2FwYWJpbGl0eSk7CisJ ZWxzZSBpZiAoYy0+eDg2ID09IDB4MTAgfHwgYy0+eDg2ID49IDB4MTIpIHsKKwkJaWYgKHJkbXNy X3NhZmUoTVNSX0FNRDY0X0RFX0NGRywgdmFsdWUpKQorCQkJLyogVW5hYmxlIHRvIHJlYWQuICBB c3N1bWUgdGhlIHNhZmVyIGRlZmF1bHQuICovCisJCQlfX2NsZWFyX2JpdChYODZfRkVBVFVSRV9M RkVOQ0VfRElTUEFUQ0gsCisJCQkJICAgIGMtPng4Nl9jYXBhYmlsaXR5KTsKKwkJZWxzZSBpZiAo dmFsdWUgJiBBTUQ2NF9ERV9DRkdfTEZFTkNFX1NFUklBTElTRSkKKwkJCS8qIEFscmVhZHkgZGlz cGF0Y2ggc2VyaWFsaXNpbmcuICovCisJCQlfX3NldF9iaXQoWDg2X0ZFQVRVUkVfTEZFTkNFX0RJ U1BBVENILAorCQkJCSAgYy0+eDg2X2NhcGFiaWxpdHkpOworCQllbHNlIGlmICh3cm1zcl9zYWZl KE1TUl9BTUQ2NF9ERV9DRkcsCisJCQkJICAgIHZhbHVlIHwgQU1ENjRfREVfQ0ZHX0xGRU5DRV9T RVJJQUxJU0UpIHx8CisJCQkgcmRtc3Jfc2FmZShNU1JfQU1ENjRfREVfQ0ZHLCB2YWx1ZSkgfHwK KwkJCSAhKHZhbHVlICYgQU1ENjRfREVfQ0ZHX0xGRU5DRV9TRVJJQUxJU0UpKQorCQkJLyogQXR0 ZW1wdCB0byBzZXQgZmFpbGVkLiAgQXNzdW1lIHRoZSBzYWZlciBkZWZhdWx0ICovCisJCQlfX2Ns ZWFyX2JpdChYODZfRkVBVFVSRV9MRkVOQ0VfRElTUEFUQ0gsCisJCQkJICAgIGMtPng4Nl9jYXBh YmlsaXR5KTsKKwkJZWxzZQorCQkJLyogU3VjY2Vzc2Z1bGx5IGVuYWJsZWQhICovCisJCQlfX3Nl dF9iaXQoWDg2X0ZFQVRVUkVfTEZFTkNFX0RJU1BBVENILAorCQkJCSAgYy0+eDg2X2NhcGFiaWxp dHkpOworCX0KKwogCS8qIE1GRU5DRSBzdG9wcyBSRFRTQyBzcGVjdWxhdGlvbiAqLwotCV9fc2V0 X2JpdChYODZfRkVBVFVSRV9NRkVOQ0VfUkRUU0MsIGMtPng4Nl9jYXBhYmlsaXR5KTsKKwlpZiAo IWNwdV9oYXNfbGZlbmNlX2Rpc3BhdGNoKQorCQlfX3NldF9iaXQoWDg2X0ZFQVRVUkVfTUZFTkNF X1JEVFNDLCBjLT54ODZfY2FwYWJpbGl0eSk7CiAKIAlzd2l0Y2goYy0+eDg2KQogCXsKZGlmZiAt LWdpdCBhL3hlbi9pbmNsdWRlL2FzbS14ODYvY3B1ZmVhdHVyZS5oIGIveGVuL2luY2x1ZGUvYXNt LXg4Ni9jcHVmZWF0dXJlLmgKaW5kZXggODRjYzUxZC4uYWRjMzMzZiAxMDA2NDQKLS0tIGEveGVu L2luY2x1ZGUvYXNtLXg4Ni9jcHVmZWF0dXJlLmgKKysrIGIveGVuL2luY2x1ZGUvYXNtLXg4Ni9j cHVmZWF0dXJlLmgKQEAgLTEwNCw2ICsxMDQsNyBAQAogI2RlZmluZSBjcHVfaGFzX2FyY2hfcGVy Zm1vbiAgICBib290X2NwdV9oYXMoWDg2X0ZFQVRVUkVfQVJDSF9QRVJGTU9OKQogI2RlZmluZSBj cHVfaGFzX2NwdWlkX2ZhdWx0aW5nICBib290X2NwdV9oYXMoWDg2X0ZFQVRVUkVfQ1BVSURfRkFV TFRJTkcpCiAjZGVmaW5lIGNwdV9oYXNfYXBlcmZtcGVyZiAgICAgIGJvb3RfY3B1X2hhcyhYODZf RkVBVFVSRV9BUEVSRk1QRVJGKQorI2RlZmluZSBjcHVfaGFzX2xmZW5jZV9kaXNwYXRjaCBib290 X2NwdV9oYXMoWDg2X0ZFQVRVUkVfTEZFTkNFX0RJU1BBVENIKQogCiBlbnVtIF9jYWNoZV90eXBl IHsKICAgICBDQUNIRV9UWVBFX05VTEwgPSAwLApkaWZmIC0tZ2l0IGEveGVuL2luY2x1ZGUvYXNt LXg4Ni9jcHVmZWF0dXJlcy5oIGIveGVuL2luY2x1ZGUvYXNtLXg4Ni9jcHVmZWF0dXJlcy5oCmlu ZGV4IGJjOTgyMjcuLjU4YjM3ZDYgMTAwNjQ0Ci0tLSBhL3hlbi9pbmNsdWRlL2FzbS14ODYvY3B1 ZmVhdHVyZXMuaAorKysgYi94ZW4vaW5jbHVkZS9hc20teDg2L2NwdWZlYXR1cmVzLmgKQEAgLTIy LDMgKzIyLDQgQEAgWEVOX0NQVUZFQVRVUkUoQVBFUkZNUEVSRiwgICAgICAoRlNDQVBJTlRTKzAp KjMyKyA4KSAvKiBBUEVSRk1QRVJGICovCiBYRU5fQ1BVRkVBVFVSRShNRkVOQ0VfUkRUU0MsICAg IChGU0NBUElOVFMrMCkqMzIrIDkpIC8qIE1GRU5DRSBzeW5jaHJvbml6ZXMgUkRUU0MgKi8KIFhF Tl9DUFVGRUFUVVJFKFhFTl9TTUVQLCAgICAgICAgKEZTQ0FQSU5UUyswKSozMisxMCkgLyogU01F UCBnZXRzIHVzZWQgYnkgWGVuIGl0c2VsZiAqLwogWEVOX0NQVUZFQVRVUkUoWEVOX1NNQVAsICAg ICAgICAoRlNDQVBJTlRTKzApKjMyKzExKSAvKiBTTUFQIGdldHMgdXNlZCBieSBYZW4gaXRzZWxm ICovCitYRU5fQ1BVRkVBVFVSRShMRkVOQ0VfRElTUEFUQ0gsIChGU0NBUElOVFMrMCkqMzIrMTIp IC8qIGxmZW5jZSBzZXQgYXMgRGlzcGF0Y2ggU2VyaWFsaXNpbmcgKi8KZGlmZiAtLWdpdCBhL3hl bi9pbmNsdWRlL2FzbS14ODYvbXNyLWluZGV4LmggYi94ZW4vaW5jbHVkZS9hc20teDg2L21zci1p bmRleC5oCmluZGV4IGE4MzRmM2IuLjU2ZjUzNTkgMTAwNjQ0Ci0tLSBhL3hlbi9pbmNsdWRlL2Fz bS14ODYvbXNyLWluZGV4LmgKKysrIGIveGVuL2luY2x1ZGUvYXNtLXg4Ni9tc3ItaW5kZXguaApA QCAtMjA3LDYgKzIwNyw3IEBACiAjZGVmaW5lIE1TUl9BTUQ2NF9JQ19DRkcJCTB4YzAwMTEwMjEK ICNkZWZpbmUgTVNSX0FNRDY0X0RDX0NGRwkJMHhjMDAxMTAyMgogI2RlZmluZSBNU1JfQU1ENjRf REVfQ0ZHCQkweGMwMDExMDI5CisjZGVmaW5lIEFNRDY0X0RFX0NGR19MRkVOQ0VfU0VSSUFMSVNF CShfQUMoMSwgVUxMKSA8PCAxKQogCiAjZGVmaW5lIE1TUl9BTUQ2NF9EUjBfQUREUkVTU19NQVNL CTB4YzAwMTEwMjcKICNkZWZpbmUgTVNSX0FNRDY0X0RSMV9BRERSRVNTX01BU0sJMHhjMDAxMTAx OQotLSAKMi4xLjQKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9y ZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs