From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: [PATCH v6.5 12/26] x86/boot: Report details of speculative mitigations Date: Thu, 4 Jan 2018 00:15:41 +0000 Message-ID: <1515024955-13390-13-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 Tm90aGluZyB2ZXJ5IGludGVyZXN0aW5nIGF0IHRoZSBtb21lbnQsIGJ1dCB0aGUgbG9naWMgd2ls bCBncm93IGFzIG5ldwptaXRpZ2F0aW9ucyBhcmUgYWRkZWQuCgpTaWduZWQtb2ZmLWJ5OiBBbmRy ZXcgQ29vcGVyIDxhbmRyZXcuY29vcGVyM0BjaXRyaXguY29tPgotLS0KdjM6CiAqIE5ldwp2NDoK ICogRHJvcCB0aGUgZWxzZS1jbGF1c2UgcHJpbnRrCiAqIFJlYmFzZSBvdmVyIEFNRCBhZGRpdGlv bnMKLS0tCiB4ZW4vYXJjaC94ODYvTWFrZWZpbGUgICAgICAgICAgIHwgIDEgKwogeGVuL2FyY2gv eDg2L3NldHVwLmMgICAgICAgICAgICB8ICAzICsrCiB4ZW4vYXJjaC94ODYvc3BlY19jdHJsLmMg ICAgICAgIHwgNzUgKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysKIHhl bi9pbmNsdWRlL2FzbS14ODYvc3BlY19jdHJsLmggfCAzNSArKysrKysrKysrKysrKysrKysrCiA0 IGZpbGVzIGNoYW5nZWQsIDExNCBpbnNlcnRpb25zKCspCiBjcmVhdGUgbW9kZSAxMDA2NDQgeGVu L2FyY2gveDg2L3NwZWNfY3RybC5jCiBjcmVhdGUgbW9kZSAxMDA2NDQgeGVuL2luY2x1ZGUvYXNt LXg4Ni9zcGVjX2N0cmwuaAoKZGlmZiAtLWdpdCBhL3hlbi9hcmNoL3g4Ni9NYWtlZmlsZSBiL3hl bi9hcmNoL3g4Ni9NYWtlZmlsZQppbmRleCA0MzMyMzNjLi45MGFiOTNkIDEwMDY0NAotLS0gYS94 ZW4vYXJjaC94ODYvTWFrZWZpbGUKKysrIGIveGVuL2FyY2gveDg2L01ha2VmaWxlCkBAIC01Nyw2 ICs1Nyw3IEBAIG9iai15ICs9IHNldHVwLm8KIG9iai15ICs9IHNodXRkb3duLm8KIG9iai15ICs9 IHNtcC5vCiBvYmoteSArPSBzbXBib290Lm8KK29iai15ICs9IHNwZWNfY3RybC5vCiBvYmoteSAr PSBzcmF0Lm8KIG9iai15ICs9IHN0cmluZy5vCiBvYmoteSArPSBzeXNjdGwubwpkaWZmIC0tZ2l0 IGEveGVuL2FyY2gveDg2L3NldHVwLmMgYi94ZW4vYXJjaC94ODYvc2V0dXAuYwppbmRleCAyZTEw YzZiLi40NzA0MjdiIDEwMDY0NAotLS0gYS94ZW4vYXJjaC94ODYvc2V0dXAuYworKysgYi94ZW4v YXJjaC94ODYvc2V0dXAuYwpAQCAtNTEsNiArNTEsNyBAQAogI2luY2x1ZGUgPGFzbS9hbHRlcm5h dGl2ZS5oPgogI2luY2x1ZGUgPGFzbS9tYzE0NjgxOHJ0Yy5oPgogI2luY2x1ZGUgPGFzbS9jcHVp ZC5oPgorI2luY2x1ZGUgPGFzbS9zcGVjX2N0cmwuaD4KIAogLyogb3B0X25vc21wOiBJZiB0cnVl LCBzZWNvbmRhcnkgcHJvY2Vzc29ycyBhcmUgaWdub3JlZC4gKi8KIHN0YXRpYyBib29sIF9faW5p dGRhdGEgb3B0X25vc21wOwpAQCAtMTUwMiw2ICsxNTAzLDggQEAgdm9pZCBfX2luaXQgbm9yZXR1 cm4gX19zdGFydF94ZW4odW5zaWduZWQgbG9uZyBtYmlfcCkKICAgICBpZiAoIGNwdV9oYXNfZnNn c2Jhc2UgKQogICAgICAgICBzZXRfaW5fY3I0KFg4Nl9DUjRfRlNHU0JBU0UpOwogCisgICAgaW5p dF9zcGVjdWxhdGlvbl9taXRpZ2F0aW9ucygpOworCiAgICAgaW5pdF9pZGxlX2RvbWFpbigpOwog CiAgICAgdGhpc19jcHUoc3R1YnMuYWRkcikgPSBhbGxvY19zdHViX3BhZ2Uoc21wX3Byb2Nlc3Nv cl9pZCgpLApkaWZmIC0tZ2l0IGEveGVuL2FyY2gveDg2L3NwZWNfY3RybC5jIGIveGVuL2FyY2gv eDg2L3NwZWNfY3RybC5jCm5ldyBmaWxlIG1vZGUgMTAwNjQ0CmluZGV4IDAwMDAwMDAuLmZmZWU5 MDkKLS0tIC9kZXYvbnVsbAorKysgYi94ZW4vYXJjaC94ODYvc3BlY19jdHJsLmMKQEAgLTAsMCAr MSw3NSBAQAorLyoqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioq KioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKgorICogYXJjaC94ODYvc3BlY19jdHJsLmMK KyAqCisgKiBUaGlzIHByb2dyYW0gaXMgZnJlZSBzb2Z0d2FyZTsgeW91IGNhbiByZWRpc3RyaWJ1 dGUgaXQgYW5kL29yIG1vZGlmeQorICogaXQgdW5kZXIgdGhlIHRlcm1zIG9mIHRoZSBHTlUgR2Vu ZXJhbCBQdWJsaWMgTGljZW5zZSBhcyBwdWJsaXNoZWQgYnkKKyAqIHRoZSBGcmVlIFNvZnR3YXJl IEZvdW5kYXRpb247IGVpdGhlciB2ZXJzaW9uIDIgb2YgdGhlIExpY2Vuc2UsIG9yCisgKiAoYXQg eW91ciBvcHRpb24pIGFueSBsYXRlciB2ZXJzaW9uLgorICoKKyAqIFRoaXMgcHJvZ3JhbSBpcyBk aXN0cmlidXRlZCBpbiB0aGUgaG9wZSB0aGF0IGl0IHdpbGwgYmUgdXNlZnVsLAorICogYnV0IFdJ VEhPVVQgQU5ZIFdBUlJBTlRZOyB3aXRob3V0IGV2ZW4gdGhlIGltcGxpZWQgd2FycmFudHkgb2YK KyAqIE1FUkNIQU5UQUJJTElUWSBvciBGSVRORVNTIEZPUiBBIFBBUlRJQ1VMQVIgUFVSUE9TRS4g IFNlZSB0aGUKKyAqIEdOVSBHZW5lcmFsIFB1YmxpYyBMaWNlbnNlIGZvciBtb3JlIGRldGFpbHMu CisgKgorICogWW91IHNob3VsZCBoYXZlIHJlY2VpdmVkIGEgY29weSBvZiB0aGUgR05VIEdlbmVy YWwgUHVibGljIExpY2Vuc2UKKyAqIGFsb25nIHdpdGggdGhpcyBwcm9ncmFtOyBJZiBub3QsIHNl ZSA8aHR0cDovL3d3dy5nbnUub3JnL2xpY2Vuc2VzLz4uCisgKgorICogQ29weXJpZ2h0IChjKSAy MDE3IENpdHJpeCBTeXN0ZW1zIEx0ZC4KKyAqLworI2luY2x1ZGUgPHhlbi9pbml0Lmg+CisjaW5j bHVkZSA8eGVuL2xpYi5oPgorCisjaW5jbHVkZSA8YXNtL3Byb2Nlc3Nvci5oPgorI2luY2x1ZGUg PGFzbS9zcGVjX2N0cmwuaD4KKworZW51bSBpbmRfdGh1bmsgeworICAgIFRIVU5LX0RFRkFVTFQs IC8qIERlY2lkZSB3aGljaCB0aHVuayB0byB1c2UgYXQgYm9vdCB0aW1lLiAqLworICAgIFRIVU5L X05PTkUsICAgIC8qIE1pc3NpbmcgY29tcGlsZXIgc3VwcG9ydCBmb3IgdGh1bmtzLiAqLworCisg ICAgVEhVTktfUkVUUE9MSU5FLAorfTsKKworc3RhdGljIHZvaWQgX19pbml0IHByaW50X2RldGFp bHMoZW51bSBpbmRfdGh1bmsgdGh1bmspCit7CisgICAgcHJpbnRrKFhFTkxPR19ERUJVRyAiU3Bl Y3VsYXRpdmUgbWl0aWdhdGlvbiBmYWNpbGl0aWVzOlxuIik7CisKKyAgICAvKiBDb21waWxlZC1p biBzdXBwb3J0IHdoaWNoIHBlcnRhaW5zIHRvIEJUSSBtaXRpZ2F0aW9ucy4gKi8KKyAgICBpZiAo IElTX0VOQUJMRUQoQ09ORklHX0lORElSRUNUX1RIVU5LKSApCisgICAgICAgIHByaW50ayhYRU5M T0dfREVCVUcgIiAgQ29tcGlsZWQtaW4gc3VwcG9ydDogSU5ESVJFQ1RfVEhVTktcbiIpOworCisg ICAgcHJpbnRrKFhFTkxPR19JTkZPCisgICAgICAgICAgICJCVEkgbWl0aWdhdGlvbnM6IFRodW5r ICVzXG4iLAorICAgICAgICAgICB0aHVuayA9PSBUSFVOS19OT05FICAgICAgPyAiTi9BIiA6Cisg ICAgICAgICAgIHRodW5rID09IFRIVU5LX1JFVFBPTElORSA/ICJSRVRQT0xJTkUiIDogIj8iKTsK K30KKwordm9pZCBfX2luaXQgaW5pdF9zcGVjdWxhdGlvbl9taXRpZ2F0aW9ucyh2b2lkKQorewor ICAgIGVudW0gaW5kX3RodW5rIHRodW5rID0gVEhVTktfREVGQVVMVDsKKworICAgIC8qCisgICAg ICogU3VwcGxpbWVudGFyeSBtaW5vciBhZGp1c3RtZW50cy4gIFdpdGhvdXQgY29tcGlsZXIgc3Vw cG9ydCwgdGhlcmUgYXJlCisgICAgICogbm8gdGh1bmtzLgorICAgICAqLworICAgIGlmICggIUlT X0VOQUJMRUQoQ09ORklHX0lORElSRUNUX1RIVU5LKSApCisgICAgICAgIHRodW5rID0gVEhVTktf Tk9ORTsKKworICAgIC8qCisgICAgICogSWYgdGhlcmUgYXJlIHN0aWxsIG5vIHRodW5rIHByZWZl cmVuY2VzLCB0aGUgY29tcGlsZWQgZGVmYXVsdCBpcworICAgICAqIGFjdHVhbGx5IHJldHBvbGlu ZSwgYW5kIGl0IGlzIGJldHRlciB0aGFuIG5vdGhpbmcuCisgICAgICovCisgICAgaWYgKCB0aHVu ayA9PSBUSFVOS19ERUZBVUxUICkKKyAgICAgICAgdGh1bmsgPSBUSFVOS19SRVRQT0xJTkU7CisK KyAgICBwcmludF9kZXRhaWxzKHRodW5rKTsKK30KKworLyoKKyAqIExvY2FsIHZhcmlhYmxlczoK KyAqIG1vZGU6IEMKKyAqIGMtZmlsZS1zdHlsZTogIkJTRCIKKyAqIGMtYmFzaWMtb2Zmc2V0OiA0 CisgKiB0YWItd2lkdGg6IDQKKyAqIGluZGVudC10YWJzLW1vZGU6IG5pbAorICogRW5kOgorICov CmRpZmYgLS1naXQgYS94ZW4vaW5jbHVkZS9hc20teDg2L3NwZWNfY3RybC5oIGIveGVuL2luY2x1 ZGUvYXNtLXg4Ni9zcGVjX2N0cmwuaApuZXcgZmlsZSBtb2RlIDEwMDY0NAppbmRleCAwMDAwMDAw Li5kMGI0NGY2Ci0tLSAvZGV2L251bGwKKysrIGIveGVuL2luY2x1ZGUvYXNtLXg4Ni9zcGVjX2N0 cmwuaApAQCAtMCwwICsxLDM1IEBACisvKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioq KioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqCisgKiBpbmNsdWRl L2FzbS14ODYvc3BlY19jdHJsLmgKKyAqCisgKiBUaGlzIHByb2dyYW0gaXMgZnJlZSBzb2Z0d2Fy ZTsgeW91IGNhbiByZWRpc3RyaWJ1dGUgaXQgYW5kL29yIG1vZGlmeQorICogaXQgdW5kZXIgdGhl IHRlcm1zIG9mIHRoZSBHTlUgR2VuZXJhbCBQdWJsaWMgTGljZW5zZSBhcyBwdWJsaXNoZWQgYnkK KyAqIHRoZSBGcmVlIFNvZnR3YXJlIEZvdW5kYXRpb247IGVpdGhlciB2ZXJzaW9uIDIgb2YgdGhl IExpY2Vuc2UsIG9yCisgKiAoYXQgeW91ciBvcHRpb24pIGFueSBsYXRlciB2ZXJzaW9uLgorICoK KyAqIFRoaXMgcHJvZ3JhbSBpcyBkaXN0cmlidXRlZCBpbiB0aGUgaG9wZSB0aGF0IGl0IHdpbGwg YmUgdXNlZnVsLAorICogYnV0IFdJVEhPVVQgQU5ZIFdBUlJBTlRZOyB3aXRob3V0IGV2ZW4gdGhl IGltcGxpZWQgd2FycmFudHkgb2YKKyAqIE1FUkNIQU5UQUJJTElUWSBvciBGSVRORVNTIEZPUiBB IFBBUlRJQ1VMQVIgUFVSUE9TRS4gIFNlZSB0aGUKKyAqIEdOVSBHZW5lcmFsIFB1YmxpYyBMaWNl bnNlIGZvciBtb3JlIGRldGFpbHMuCisgKgorICogWW91IHNob3VsZCBoYXZlIHJlY2VpdmVkIGEg Y29weSBvZiB0aGUgR05VIEdlbmVyYWwgUHVibGljIExpY2Vuc2UKKyAqIGFsb25nIHdpdGggdGhp cyBwcm9ncmFtOyBJZiBub3QsIHNlZSA8aHR0cDovL3d3dy5nbnUub3JnL2xpY2Vuc2VzLz4uCisg KgorICogQ29weXJpZ2h0IChjKSAyMDE3IENpdHJpeCBTeXN0ZW1zIEx0ZC4KKyAqLworCisjaWZu ZGVmIF9fWDg2X1NQRUNfQ1RSTF9IX18KKyNkZWZpbmUgX19YODZfU1BFQ19DVFJMX0hfXworCit2 b2lkIGluaXRfc3BlY3VsYXRpb25fbWl0aWdhdGlvbnModm9pZCk7CisKKyNlbmRpZiAvKiAhX19Y ODZfU1BFQ19DVFJMX0hfXyAqLworCisvKgorICogTG9jYWwgdmFyaWFibGVzOgorICogbW9kZTog QworICogYy1maWxlLXN0eWxlOiAiQlNEIgorICogYy1iYXNpYy1vZmZzZXQ6IDQKKyAqIHRhYi13 aWR0aDogNAorICogaW5kZW50LXRhYnMtbW9kZTogbmlsCisgKiBFbmQ6CisgKi8KLS0gCjIuMS40 CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRl dmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9s aXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==