From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Jackson Subject: [PATCH v5.1 3/8] xen: defer call to xen_restrict until just before os_setup_post Date: Fri, 20 Oct 2017 14:38:17 +0100 Message-ID: <1508506702-17704-3-git-send-email-ian.jackson@eu.citrix.com> References: <23017.64539.31230.43449@mariner.uk.xensource.com> <1508506702-17704-1-git-send-email-ian.jackson@eu.citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e5XVa-0003wS-Dt for xen-devel@lists.xenproject.org; Fri, 20 Oct 2017 13:38:42 +0000 In-Reply-To: <1508506702-17704-1-git-send-email-ian.jackson@eu.citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: qemu-devel@nongnu.org Cc: Juergen Gross , Stefano Stabellini , Ian Jackson , Ross Lagerwall , Anthony PERARD , xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org V2UgbmVlZCB0byByZXN0cmljdCAqYWxsKiB0aGUgY29udHJvbCBmZHMgdGhhdCBxZW11IG9wZW5z LiAgTG9va2luZyBpbgovcHJvYy9QSUQvZmQgc2hvd3MgdGhlcmUgYXJlIG1hbnk7IHRoZWlyIGFs bG9jYXRpb24gc2VlbXMgc2NhdHRlcmVkCnRocm91Z2hvdXQgWGVuIHN1cHBvcnQgY29kZSBpbiBx ZW11LgoKV2UgbXVzdCBwb3N0cG9uZSB0aGUgcmVzdHJpY3QgY2FsbCB1bnRpbCByb3VnaGx5IHRo ZSBzYW1lIHRpbWUgYXMgcWVtdQpjaGFuZ2VzIGl0cyB1aWQsIGNocm9vdHMgKGlmIGFwcGxpY2Fi bGUpLCBhbmQgc28gb24uCgpUaGVyZSBkb2Vzbid0IHNlZW0gdG8gYmUgYW4gYXBwcm9wcmlhdGUg aG9vayBhbHJlYWR5LiAgVGhlIFJ1blN0YXRlCmNoYW5nZSBob29rIGZpcmVzIGF0IGRpZmZlcmVu dCB0aW1lcyBkZXBlbmRpbmcgb24gZXhhY3RseSB3aGF0IG1vZGUKcWVtdSBpcyBvcGVyYXRpbmcg aW4uCgpBbmQgaXQgYXBwZWFycyB0aGF0IG5vLW9uZSBidXQgdGhlIFhlbiBjb2RlIHdhbnRzIGEg aG9vayBhdCB0aGlzIHBoYXNlCm9mIGV4ZWN1dGlvbi4gIFNvLCBpbnRyb2R1Y2UgYSBiYXJlIGNh bGwgdG8gYSBuZXcgZnVuY3Rpb24KeGVuX3NldHVwX3Bvc3QsIGp1c3QgYmVmb3JlIG9zX3NldHVw X3Bvc3QuICBBbHNvIHByb3ZpZGUgdGhlCmFwcHJvcHJpYXRlIHN0dWIgZm9yIHdoZW4gWGVuIGNv bXBpbGF0aW9uIGlzIGRpc2FibGVkLgoKV2UgZG8gdGhlIHJlc3RyaWN0aW9uIGJlZm9yZSByYXRo ZXIgdGhhbiBhZnRlciBvc19zZXR1cF9wb3N0LCBiZWNhdXNlCnhlbl9yZXN0cmljdCBtYXkgbmVl ZCB0byBvcGVuIC9kZXYvbnVsbCwgYW5kIG9zX3NldHVwX3Bvc3QgbWlnaHQgaGF2ZQpjYWxsZWQg Y2hyb290LgoKQ3VycmVudGx5IHRoaXMgZG9lcyBub3Qgd29yayB3aXRoIG1pZ3JhdGlvbiwgYmVj YXVzZSB3aGVuIHJ1bm5pbmcgYXMKdGhlIFhlbiBkZXZpY2UgbW9kZWwgcWVtdSBuZWVkcyB0byBz aWduYWwgdG8gdGhlIHRvb2xzdGFjayB0aGF0IGl0IGlzCnJlYWR5LiAgSXQgY3VycmVudGx5IGRv ZXMgdGhpcyB1c2luZyB4ZW5zdG9yZSwgYW5kIGZvciBpbmNvbWluZwptaWdyYXRpb24gKGJ1dCBu b3QgZm9yIG9yZGluYXJ5IHN0YXJ0dXApIHRoYXQgaGFwcGVucyBhZnRlcgpvc19zZXR1cF9wb3N0 LgoKSXQgaXMgY29ycmVjdCB0aGF0IHRoaXMgaGFwcGVucyBsYXRlOiB3ZSB3YW50IHRoZSBpbmNv bWluZyBtaWdyYXRpb24Kc3RyZWFtIHRvIGJlIHByb2Nlc3NlZCBieSBhIHJlc3RyaWN0ZWQgcWVt dS4gIFRoZSBmaXggZm9yIHRoaXMgd2lsbCBiZQp0byBkbyB0aGUgc3RhcnR1cCBub3RpZmljYXRp b24gYSBkaWZmZXJlbnQgd2F5LCB3aXRob3V0IHVzaW5nCnhlbnN0b3JlLiAgKFFNUCBpcyBwcm9i YWJseSBhIHJlYXNvbmFibGUgY2hvaWNlLikKClNvIGZvciBub3cgdGhpcyByZXN0cmljdGlvbiBm ZWF0dXJlIGNhbm5vdCBiZSB1c2VkIGluIGNvbmp1bmN0aW9uIHdpdGgKbWlncmF0aW9uLiAgKE5v dGUgdGhhdCB0aGlzIGlzIG5vdCBhIHJlZ3Jlc3Npb24gaW4gdGhpcyBwYXRjaCwgYmVjYXVzZQpw cmV2aW91c2x5IHRoZSAteGVuLXJlc3RyaWN0LWRvbWlkIGNhbGwgd2FzLCBpbiBmYWN0LCBzaW1w bHkKaW5lZmZlY3RpdmUhKSAgV2Ugd2lsbCByZXZpc2l0IHRoaXMgaW4gdGhlIFhlbiA0LjExIHJl bGVhc2UgY3ljbGUuCgpTaWduZWQtb2ZmLWJ5OiBJYW4gSmFja3NvbiA8SWFuLkphY2tzb25AZXUu Y2l0cml4LmNvbT4KUmV2aWV3ZWQtYnk6IEFudGhvbnkgUEVSQVJEIDxhbnRob255LnBlcmFyZEBj aXRyaXguY29tPgotLS0KdjU6IERpc2N1c3MgcHJvYmxlbXMgd2l0aCBtaWdyYXRpb24gc3RhcnR1 cCBub3RpZmljYXRpb24KICAgIGluIHRoZSBjb21taXQgbWVzc2FnZS4KdjM6IERvIHhlbl9zZXR1 cF9wb3N0IGp1c3QgYmVmb3JlLCBub3QganVzdCBhZnRlciwgb3Nfc2V0dXBfcG9zdCwKICAgIHRv IGltcHJvdmUgaW50ZXJhY3Rpb24gd2l0aCBjaHJvb3QuICBUaGFua3MgdG8gUm9zcyBMYWdlcndh bGwuCi0tLQogaHcvaTM4Ni94ZW4veGVuLWh2bS5jICAgfCAgOCAtLS0tLS0tLQogaHcveGVuL3hl bi1jb21tb24uYyAgICAgfCAxMyArKysrKysrKysrKysrCiBpbmNsdWRlL3N5c2VtdS9zeXNlbXUu aCB8ICAyICsrCiBzdHVicy94ZW4taHZtLmMgICAgICAgICB8ICA1ICsrKysrCiB2bC5jICAgICAg ICAgICAgICAgICAgICB8ICAxICsKIDUgZmlsZXMgY2hhbmdlZCwgMjEgaW5zZXJ0aW9ucygrKSwg OCBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9ody9pMzg2L3hlbi94ZW4taHZtLmMgYi9ody9p Mzg2L3hlbi94ZW4taHZtLmMKaW5kZXggZDljY2Q1ZC4uN2I2MGVjNiAxMDA2NDQKLS0tIGEvaHcv aTM4Ni94ZW4veGVuLWh2bS5jCisrKyBiL2h3L2kzODYveGVuL3hlbi1odm0uYwpAQCAtMTI1NCwx NCArMTI1NCw2IEBAIHZvaWQgeGVuX2h2bV9pbml0KFBDTWFjaGluZVN0YXRlICpwY21zLCBNZW1v cnlSZWdpb24gKipyYW1fbWVtb3J5KQogICAgICAgICBnb3RvIGVycjsKICAgICB9CiAKLSAgICBp ZiAoeGVuX2RvbWlkX3Jlc3RyaWN0KSB7Ci0gICAgICAgIHJjID0geGVuX3Jlc3RyaWN0KHhlbl9k b21pZCk7Ci0gICAgICAgIGlmIChyYyA8IDApIHsKLSAgICAgICAgICAgIGVycm9yX3JlcG9ydCgi ZmFpbGVkIHRvIHJlc3RyaWN0OiBlcnJvciAlZCIsIGVycm5vKTsKLSAgICAgICAgICAgIGdvdG8g ZXJyOwotICAgICAgICB9Ci0gICAgfQotCiAgICAgeGVuX2NyZWF0ZV9pb3JlcV9zZXJ2ZXIoeGVu X2RvbWlkLCAmc3RhdGUtPmlvc2VydmlkKTsKIAogICAgIHN0YXRlLT5leGl0Lm5vdGlmeSA9IHhl bl9leGl0X25vdGlmaWVyOwpkaWZmIC0tZ2l0IGEvaHcveGVuL3hlbi1jb21tb24uYyBiL2h3L3hl bi94ZW4tY29tbW9uLmMKaW5kZXggNjMyYTkzOC4uNDA1NjQyMCAxMDA2NDQKLS0tIGEvaHcveGVu L3hlbi1jb21tb24uYworKysgYi9ody94ZW4veGVuLWNvbW1vbi5jCkBAIC0xMTcsNiArMTE3LDE5 IEBAIHN0YXRpYyB2b2lkIHhlbl9jaGFuZ2Vfc3RhdGVfaGFuZGxlcih2b2lkICpvcGFxdWUsIGlu dCBydW5uaW5nLAogICAgIH0KIH0KIAordm9pZCB4ZW5fc2V0dXBfcG9zdCh2b2lkKQoreworICAg IGludCByYzsKKworICAgIGlmICh4ZW5fZG9taWRfcmVzdHJpY3QpIHsKKyAgICAgICAgcmMgPSB4 ZW5fcmVzdHJpY3QoeGVuX2RvbWlkKTsKKyAgICAgICAgaWYgKHJjIDwgMCkgeworICAgICAgICAg ICAgcGVycm9yKCJ4ZW46IGZhaWxlZCB0byByZXN0cmljdCIpOworICAgICAgICAgICAgZXhpdCgx KTsKKyAgICAgICAgfQorICAgIH0KK30KKwogc3RhdGljIGludCB4ZW5faW5pdChNYWNoaW5lU3Rh dGUgKm1zKQogewogICAgIHhlbl94YyA9IHhjX2ludGVyZmFjZV9vcGVuKDAsIDAsIDApOwpkaWZm IC0tZ2l0IGEvaW5jbHVkZS9zeXNlbXUvc3lzZW11LmggYi9pbmNsdWRlL3N5c2VtdS9zeXNlbXUu aAppbmRleCBiMjEzNjk2Li5iMDY0YTU1IDEwMDY0NAotLS0gYS9pbmNsdWRlL3N5c2VtdS9zeXNl bXUuaAorKysgYi9pbmNsdWRlL3N5c2VtdS9zeXNlbXUuaApAQCAtOTMsNiArOTMsOCBAQCB2b2lk IHFlbXVfcmVtb3ZlX21hY2hpbmVfaW5pdF9kb25lX25vdGlmaWVyKE5vdGlmaWVyICpub3RpZnkp OwogCiB2b2lkIHFlbXVfYW5ub3VuY2Vfc2VsZih2b2lkKTsKIAordm9pZCB4ZW5fc2V0dXBfcG9z dCh2b2lkKTsKKwogZXh0ZXJuIGludCBhdXRvc3RhcnQ7CiAKIHR5cGVkZWYgZW51bSB7CmRpZmYg LS1naXQgYS9zdHVicy94ZW4taHZtLmMgYi9zdHVicy94ZW4taHZtLmMKaW5kZXggM2NhNmM1MS4u OTcwMWZlYiAxMDA2NDQKLS0tIGEvc3R1YnMveGVuLWh2bS5jCisrKyBiL3N0dWJzL3hlbi1odm0u YwpAQCAtMTMsNiArMTMsNyBAQAogI2luY2x1ZGUgImh3L3hlbi94ZW4uaCIKICNpbmNsdWRlICJl eGVjL21lbW9yeS5oIgogI2luY2x1ZGUgInFtcC1jb21tYW5kcy5oIgorI2luY2x1ZGUgInN5c2Vt dS9zeXNlbXUuaCIKIAogaW50IHhlbl9wY2lfc2xvdF9nZXRfcGlycShQQ0lEZXZpY2UgKnBjaV9k ZXYsIGludCBpcnFfbnVtKQogewpAQCAtNjEsMyArNjIsNyBAQCB2b2lkIHhlbl9odm1faW5pdChQ Q01hY2hpbmVTdGF0ZSAqcGNtcywgTWVtb3J5UmVnaW9uICoqcmFtX21lbW9yeSkKIHZvaWQgcW1w X3hlbl9zZXRfZ2xvYmFsX2RpcnR5X2xvZyhib29sIGVuYWJsZSwgRXJyb3IgKiplcnJwKQogewog fQorCit2b2lkIHhlbl9zZXR1cF9wb3N0KHZvaWQpCit7Cit9CmRpZmYgLS1naXQgYS92bC5jIGIv dmwuYwppbmRleCBmYjFmMDViLi5jYTA2NTUzIDEwMDY0NAotLS0gYS92bC5jCisrKyBiL3ZsLmMK QEAgLTQ3OTIsNiArNDc5Miw3IEBAIGludCBtYWluKGludCBhcmdjLCBjaGFyICoqYXJndiwgY2hh ciAqKmVudnApCiAgICAgICAgIHZtX3N0YXJ0KCk7CiAgICAgfQogCisgICAgeGVuX3NldHVwX3Bv c3QoKTsKICAgICBvc19zZXR1cF9wb3N0KCk7CiAKICAgICBtYWluX2xvb3AoKTsKLS0gCjIuMS40 CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRl dmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhl bi5vcmcveGVuLWRldmVsCg==