From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: [PATCH RFC 42/44] x86/smp: Allocate a percpu linear range for the TSS Date: Thu, 4 Jan 2018 20:22:07 +0000 Message-ID: <1515097329-31902-43-git-send-email-andrew.cooper3@citrix.com> References: <1515097329-31902-1-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: <1515097329-31902-1-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 V2l0aCBhbGwgQ1BVcyB1c2luZyB0aGUgc2FtZSB2aXJ0dWFsIHN0YWNrIG1hcHBpbmcsIHRoZSBU U1MgcnNwMC9pc3RbMC4uMl0KdmFsdWVzIGFyZSBjb21waWxlLXRpbWUgY29uc3RhbnQuICBUaGVy ZWZvcmUsIHdlIGNhbiB1c2UgYSBzaW5nbGUgcmVhZC1vbmx5ClRTUyBmb3IgdGhlIHdob2xlIHN5 c3RlbS4KClRvIGZhY2lsaWF0ZSB0aGlzLCBhIG5ldyAucm9kYXRhLnBhZ2VfYWxpZ25lZCBzZWN0 aW9uIG5lZWRzIGludHJvZHVjaW5nLgoKU2lnbmVkLW9mZi1ieTogQW5kcmV3IENvb3BlciA8YW5k cmV3LmNvb3BlcjNAY2l0cml4LmNvbT4KLS0tCiB4ZW4vYXJjaC94ODYvc21wYm9vdC5jICAgICAg ICAgIHwgIDYgKysrKysrCiB4ZW4vYXJjaC94ODYvdHJhcHMuYyAgICAgICAgICAgIHwgMjkgKysr KysrKysrKysrKysrKysrKysrKysrKysrKysKIHhlbi9hcmNoL3g4Ni94ZW4ubGRzLlMgICAgICAg ICAgfCAgMiArKwogeGVuL2luY2x1ZGUvYXNtLXg4Ni9jb25maWcuaCAgICB8ICAxICsKIHhlbi9p bmNsdWRlL2FzbS14ODYvcHJvY2Vzc29yLmggfCAgMiArKwogNSBmaWxlcyBjaGFuZ2VkLCA0MCBp bnNlcnRpb25zKCspCgpkaWZmIC0tZ2l0IGEveGVuL2FyY2gveDg2L3NtcGJvb3QuYyBiL3hlbi9h cmNoL3g4Ni9zbXBib290LmMKaW5kZXggNzdlZTg4My4uZmE5OWU0ZCAxMDA2NDQKLS0tIGEveGVu L2FyY2gveDg2L3NtcGJvb3QuYworKysgYi94ZW4vYXJjaC94ODYvc21wYm9vdC5jCkBAIC04MDAs NiArODAwLDEyIEBAIHN0YXRpYyBpbnQgY3B1X3NtcGJvb3RfYWxsb2NfY29tbW9uKHVuc2lnbmVk IGludCBjcHUpCiAgICAgaWYgKCByYyApCiAgICAgICAgIGdvdG8gb3V0OwogCisgICAgLyogTWFw IHRoZSBUU1MuICovCisgICAgcmMgPSBwZXJjcHVfbWFwX2ZyYW1lKGNwdSwgUEVSQ1BVX1RTU19N QVBQSU5HLAorICAgICAgICAgICAgICAgICAgICAgICAgICB2aXJ0X3RvX3BhZ2UoJmdsb2JhbF90 c3MpLCBQQUdFX0hZUEVSVklTT1JfUk8pOworICAgIGlmICggcmMgKQorICAgICAgICBnb3RvIG91 dDsKKwogICAgIC8qIEFsbG9jYXRlIHNwYWNlIGZvciB0aGUgbWFwY2FjaGUgTDFlJ3MuLi4gKi8K ICAgICByYyA9IHBlcmNwdV9hbGxvY19sMXQoY3B1LCBQRVJDUFVfTUFQQ0FDSEVfU1RBUlQsICZw Zyk7CiAgICAgaWYgKCByYyApCmRpZmYgLS1naXQgYS94ZW4vYXJjaC94ODYvdHJhcHMuYyBiL3hl bi9hcmNoL3g4Ni90cmFwcy5jCmluZGV4IDQ5M2Y4ZjMuLjBhYjEwYmEgMTAwNjQ0Ci0tLSBhL3hl bi9hcmNoL3g4Ni90cmFwcy5jCisrKyBiL3hlbi9hcmNoL3g4Ni90cmFwcy5jCkBAIC0xMDgsNiAr MTA4LDM1IEBAIF9fc2VjdGlvbigiLmJzcy5wYWdlX2FsaWduZWQiKSBfX2FsaWduZWQoUEFHRV9T SVpFKTsKIC8qIFBvaW50ZXIgdG8gdGhlIElEVCBvZiBldmVyeSBDUFUuICovCiBpZHRfZW50cnlf dCAqaWR0X3RhYmxlc1tOUl9DUFVTXSBfX3JlYWRfbW9zdGx5OwogCisvKiBHbG9iYWwgVFNTLiAg QWxsIHN0YWNrIGVudHJ5IHBvaW50cyBhcmUgaWRlbnRpY2FsIG9uIGVhY2ggQ1BVLiAqLworY29u c3Qgc3RydWN0IHRzc19zdHJ1Y3QgZ2xvYmFsX3RzcworX19zZWN0aW9uKCIucm9kYXRhLnBhZ2Vf YWxpZ25lZCIpIF9fYWxpZ25lZChQQUdFX1NJWkUpID0KK3sKKyAgICAvKiBNYWluIHN0YWNrIGZv ciBpbnRlcnJ1cHRzL2V4Y2VwdGlvbnMuICovCisgICAgLnJzcDAgPSAoUEVSQ1BVX1NUQUNLX01B UFBJTkcgKyBTVEFDS19TSVpFIC0KKyAgICAgICAgICAgICBzaXplb2Yoc3RydWN0IGNwdV9pbmZv KSArCisgICAgICAgICAgICAgb2Zmc2V0b2Yoc3RydWN0IGNwdV9pbmZvLCBndWVzdF9jcHVfdXNl cl9yZWdzLmVzKSkgLAorCisgICAgLyogUmluZyAxIGFuZCAyIHN0YWNrcyBwb2lzb25lZC4gKi8K KyAgICAucnNwMSA9IDB4ODYwMDExMTExMTExMTExMXVsLAorICAgIC5yc3AyID0gMHg4NjAwMTEx MTExMTExMTExdWwsCisKKyAgICAvKgorICAgICAqIE1DRSwgTk1JIGFuZCBEb3VibGUgRmF1bHQg aGFuZGxlcnMgZ2V0IHRoZWlyIG93biBzdGFja3MuCisgICAgICogQWxsIG90aGVycyBwb2lzb25l ZC4KKyAgICAgKi8KKyAgICAuaXN0ID0geworICAgICAgICBbSVNUX01DRSAtIDFdID0gUEVSQ1BV X1NUQUNLX01BUFBJTkcgKyBJU1RfTUNFICogUEFHRV9TSVpFLAorICAgICAgICBbSVNUX0RGICAt IDFdID0gUEVSQ1BVX1NUQUNLX01BUFBJTkcgKyBJU1RfREYgICogUEFHRV9TSVpFLAorICAgICAg ICBbSVNUX05NSSAtIDFdID0gUEVSQ1BVX1NUQUNLX01BUFBJTkcgKyBJU1RfTk1JICogUEFHRV9T SVpFLAorCisgICAgICAgIFtJU1RfTUFYIC4uLiBBUlJBWV9TSVpFKGdsb2JhbF90c3MuaXN0KSAt IDFdID0KKyAgICAgICAgICAgIDB4ODYwMDExMTExMTExMTExMXVsLAorICAgIH0sCisKKyAgICAu Yml0bWFwID0gSU9CTVBfSU5WQUxJRF9PRkZTRVQsCit9OworCiB2b2lkICgqaW9lbXVsX2hhbmRs ZV9xdWlyaykoCiAgICAgdTggb3Bjb2RlLCBjaGFyICppb19lbXVsX3N0dWIsIHN0cnVjdCBjcHVf dXNlcl9yZWdzICpyZWdzKTsKIApkaWZmIC0tZ2l0IGEveGVuL2FyY2gveDg2L3hlbi5sZHMuUyBi L3hlbi9hcmNoL3g4Ni94ZW4ubGRzLlMKaW5kZXggZDVlODgyMS4uMzQ1NmI0YyAxMDA2NDQKLS0t IGEveGVuL2FyY2gveDg2L3hlbi5sZHMuUworKysgYi94ZW4vYXJjaC94ODYveGVuLmxkcy5TCkBA IC03Nyw2ICs3Nyw4IEBAIFNFQ1RJT05TCiAgIF9fMk1fcm9kYXRhX3N0YXJ0ID0gLjsgICAgICAg LyogU3RhcnQgb2YgMk0gc3VwZXJwYWdlcywgbWFwcGVkIFJPLiAqLwogICAucm9kYXRhIDogewog ICAgICAgIF9zcm9kYXRhID0gLjsKKyAgICAgICAqKC5yb2RhdGEucGFnZV9hbGlnbmVkKQorICAg ICAgIC4gPSBBTElHTihQQUdFX1NJWkUpOwogICAgICAgIC8qIEJ1ZyBmcmFtZXMgdGFibGUgKi8K ICAgICAgICBfX3N0YXJ0X2J1Z19mcmFtZXMgPSAuOwogICAgICAgICooLmJ1Z19mcmFtZXMuMCkK ZGlmZiAtLWdpdCBhL3hlbi9pbmNsdWRlL2FzbS14ODYvY29uZmlnLmggYi94ZW4vaW5jbHVkZS9h c20teDg2L2NvbmZpZy5oCmluZGV4IDM5NzQ3NDguLmNhZmYwOWYgMTAwNjQ0Ci0tLSBhL3hlbi9p bmNsdWRlL2FzbS14ODYvY29uZmlnLmgKKysrIGIveGVuL2luY2x1ZGUvYXNtLXg4Ni9jb25maWcu aApAQCAtMjgzLDYgKzI4Myw3IEBAIGV4dGVybiB1bnNpZ25lZCBsb25nIHhlbl9waHlzX3N0YXJ0 OwogCiAvKiBNYXBwaW5ncyBpbiB0aGUgcGVyY3B1IGFyZWE6ICovCiAjZGVmaW5lIFBFUkNQVV9J RFRfTUFQUElORyAgICAgICAoUEVSQ1BVX0xJTkVBUl9TVEFSVCArIEtCKDQpKQorI2RlZmluZSBQ RVJDUFVfVFNTX01BUFBJTkcgICAgICAgKFBFUkNQVV9MSU5FQVJfU1RBUlQgKyBLQigxMjgpKQog CiAjZGVmaW5lIFBFUkNQVV9NQVBDQUNIRV9MMUVTICAgICAoUEVSQ1BVX0xJTkVBUl9TVEFSVCAr IE1CKDIpICsgS0IoMTIpKQogI2RlZmluZSBQRVJDUFVfTUFQQ0FDSEVfU1RBUlQgICAgKFBFUkNQ VV9MSU5FQVJfU1RBUlQgKyBNQig0KSkKZGlmZiAtLWdpdCBhL3hlbi9pbmNsdWRlL2FzbS14ODYv cHJvY2Vzc29yLmggYi94ZW4vaW5jbHVkZS9hc20teDg2L3Byb2Nlc3Nvci5oCmluZGV4IGMyMDYw ODAuLjIyODgyYTYgMTAwNjQ0Ci0tLSBhL3hlbi9pbmNsdWRlL2FzbS14ODYvcHJvY2Vzc29yLmgK KysrIGIveGVuL2luY2x1ZGUvYXNtLXg4Ni9wcm9jZXNzb3IuaApAQCAtNDc1LDYgKzQ3NSw4IEBA IHN0YXRpYyBpbmxpbmUgdm9pZCBkaXNhYmxlX2VhY2hfaXN0KGlkdF9lbnRyeV90ICppZHQpCiBl eHRlcm4gaWR0X2VudHJ5X3QgaWR0X3RhYmxlW107CiBleHRlcm4gaWR0X2VudHJ5X3QgKmlkdF90 YWJsZXNbXTsKIAorZXh0ZXJuIGNvbnN0IHN0cnVjdCB0c3Nfc3RydWN0IGdsb2JhbF90c3M7CisK IERFQ0xBUkVfUEVSX0NQVShzdHJ1Y3QgdHNzX3N0cnVjdCwgaW5pdF90c3MpOwogCiBleHRlcm4g dm9pZCBpbml0X2ludDgwX2RpcmVjdF90cmFwKHN0cnVjdCB2Y3B1ICp2KTsKLS0gCjIuMS40CgoK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVs IG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==