From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH RFC V2 36/45] x86: make loading of GDT at context switch more modular Date: Thu, 16 May 2019 06:30:19 -0600 Message-ID: <5CDD57DB020000780022FA5E@prv1-mh.provo.novell.com> References: <20190506065644.7415-1-jgross@suse.com> <20190506065644.7415-37-jgross@suse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hRFWi-0000vu-7i for xen-devel@lists.xenproject.org; Thu, 16 May 2019 12:30:24 +0000 In-Reply-To: <20190506065644.7415-37-jgross@suse.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Juergen Gross Cc: Andrew Cooper , Wei Liu , xen-devel , Roger Pau Monne List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDA2LjA1LjE5IGF0IDA4OjU2LCA8amdyb3NzQHN1c2UuY29tPiB3cm90ZToKPiAtLS0g YS94ZW4vYXJjaC94ODYvZG9tYWluLmMKPiArKysgYi94ZW4vYXJjaC94ODYvZG9tYWluLmMKPiBA QCAtMTYxOSw2ICsxNjE5LDM3IEBAIHN0YXRpYyBpbmxpbmUgYm9vbCBuZWVkX2Z1bGxfZ2R0KGNv bnN0IHN0cnVjdCBkb21haW4gKmQpCj4gICAgICByZXR1cm4gaXNfcHZfZG9tYWluKGQpICYmICFp c19pZGxlX2RvbWFpbihkKTsKPiAgfQo+ICAKPiArc3RhdGljIGlubGluZSB2b2lkIHdyaXRlX2Z1 bGxfZ2R0X3B0ZXMoc2VnX2Rlc2NfdCAqZ2R0LCBzdHJ1Y3QgdmNwdSAqdikKPiArewo+ICsgICAg dW5zaWduZWQgbG9uZyBtZm4gPSB2aXJ0X3RvX21mbihnZHQpOwo+ICsgICAgbDFfcGdlbnRyeV90 ICpwbDFlID0gcHZfZ2R0X3B0ZXModik7Cj4gKyAgICB1bnNpZ25lZCBpbnQgaTsKPiArCj4gKyAg ICBmb3IgKCBpID0gMDsgaSA8IE5SX1JFU0VSVkVEX0dEVF9QQUdFUzsgaSsrICkKPiArICAgICAg ICBsMWVfd3JpdGUocGwxZSArIEZJUlNUX1JFU0VSVkVEX0dEVF9QQUdFICsgaSwKPiArICAgICAg ICAgICAgICAgICAgbDFlX2Zyb21fcGZuKG1mbiArIGksIF9fUEFHRV9IWVBFUlZJU09SX1JXKSk7 Cj4gK30KPiArCj4gK3N0YXRpYyBpbmxpbmUgdm9pZCBsb2FkX2Z1bGxfZ2R0KHN0cnVjdCB2Y3B1 ICp2LCB1bnNpZ25lZCBpbnQgY3B1KQo+ICt7Cj4gKyAgICBzdHJ1Y3QgZGVzY19wdHIgZ2R0X2Rl c2M7Cj4gKwo+ICsgICAgZ2R0X2Rlc2MubGltaXQgPSBMQVNUX1JFU0VSVkVEX0dEVF9CWVRFOwo+ ICsgICAgZ2R0X2Rlc2MuYmFzZSA9IEdEVF9WSVJUX1NUQVJUKHYpOwoKTWFrZSB0aGlzIGFuZCAu Li4KCj4gKyAgICBsZ2R0KCZnZHRfZGVzYyk7Cj4gK30KPiArCj4gK3N0YXRpYyBpbmxpbmUgdm9p ZCBsb2FkX2RlZmF1bHRfZ2R0KHNlZ19kZXNjX3QgKmdkdCwgdW5zaWduZWQgaW50IGNwdSkKPiAr ewo+ICsgICAgc3RydWN0IGRlc2NfcHRyIGdkdF9kZXNjOwo+ICsKPiArICAgIGdkdF9kZXNjLmxp bWl0ID0gTEFTVF9SRVNFUlZFRF9HRFRfQllURTsKPiArICAgIGdkdF9kZXNjLmJhc2UgID0gKHVu c2lnbmVkIGxvbmcpKGdkdCAtIEZJUlNUX1JFU0VSVkVEX0dEVF9FTlRSWSk7CgouLi4gdGhlIHZh cmlhYmxlcycgaW5pdGlhbGl6ZXJzPyBXaXRoIHRoaXMgYW5kIHdpdGggY29uc3Qgc3VpdGFibHkK YXBwbGllZCB0byBhbGwgZnVuY3Rpb24gcGFyYW1ldGVycyB3aGVyZSB0aGlzIGlzIHBvc3NpYmxl CkFja2VkLWJ5OiBKYW4gQmV1bGljaCA8amJldWxpY2hAc3VzZS5jb20+CgpKYW4KCgoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxp bmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5w cm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D6E50C04AAF for ; 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Thu, 16 May 2019 12:30:22 +0000 (UTC) Received: from INET-PRV1-MTA by prv1-mh.provo.novell.com with Novell_GroupWise; Thu, 16 May 2019 06:30:21 -0600 Message-Id: <5CDD57DB020000780022FA5E@prv1-mh.provo.novell.com> X-Mailer: Novell GroupWise Internet Agent 18.1.0 Date: Thu, 16 May 2019 06:30:19 -0600 From: "Jan Beulich" To: "Juergen Gross" References: <20190506065644.7415-1-jgross@suse.com> <20190506065644.7415-37-jgross@suse.com> In-Reply-To: <20190506065644.7415-37-jgross@suse.com> Mime-Version: 1.0 Content-Disposition: inline Subject: Re: [Xen-devel] [PATCH RFC V2 36/45] x86: make loading of GDT at context switch more modular X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Andrew Cooper , Wei Liu , xen-devel , Roger Pau Monne Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Message-ID: <20190516123019.yguDr6qcaPHrszDU4AQsRSB78PRASbqGwF6R_zyNaco@z> Pj4+IE9uIDA2LjA1LjE5IGF0IDA4OjU2LCA8amdyb3NzQHN1c2UuY29tPiB3cm90ZToKPiAtLS0g YS94ZW4vYXJjaC94ODYvZG9tYWluLmMKPiArKysgYi94ZW4vYXJjaC94ODYvZG9tYWluLmMKPiBA QCAtMTYxOSw2ICsxNjE5LDM3IEBAIHN0YXRpYyBpbmxpbmUgYm9vbCBuZWVkX2Z1bGxfZ2R0KGNv bnN0IHN0cnVjdCBkb21haW4gKmQpCj4gICAgICByZXR1cm4gaXNfcHZfZG9tYWluKGQpICYmICFp c19pZGxlX2RvbWFpbihkKTsKPiAgfQo+ICAKPiArc3RhdGljIGlubGluZSB2b2lkIHdyaXRlX2Z1 bGxfZ2R0X3B0ZXMoc2VnX2Rlc2NfdCAqZ2R0LCBzdHJ1Y3QgdmNwdSAqdikKPiArewo+ICsgICAg dW5zaWduZWQgbG9uZyBtZm4gPSB2aXJ0X3RvX21mbihnZHQpOwo+ICsgICAgbDFfcGdlbnRyeV90 ICpwbDFlID0gcHZfZ2R0X3B0ZXModik7Cj4gKyAgICB1bnNpZ25lZCBpbnQgaTsKPiArCj4gKyAg ICBmb3IgKCBpID0gMDsgaSA8IE5SX1JFU0VSVkVEX0dEVF9QQUdFUzsgaSsrICkKPiArICAgICAg ICBsMWVfd3JpdGUocGwxZSArIEZJUlNUX1JFU0VSVkVEX0dEVF9QQUdFICsgaSwKPiArICAgICAg ICAgICAgICAgICAgbDFlX2Zyb21fcGZuKG1mbiArIGksIF9fUEFHRV9IWVBFUlZJU09SX1JXKSk7 Cj4gK30KPiArCj4gK3N0YXRpYyBpbmxpbmUgdm9pZCBsb2FkX2Z1bGxfZ2R0KHN0cnVjdCB2Y3B1 ICp2LCB1bnNpZ25lZCBpbnQgY3B1KQo+ICt7Cj4gKyAgICBzdHJ1Y3QgZGVzY19wdHIgZ2R0X2Rl c2M7Cj4gKwo+ICsgICAgZ2R0X2Rlc2MubGltaXQgPSBMQVNUX1JFU0VSVkVEX0dEVF9CWVRFOwo+ ICsgICAgZ2R0X2Rlc2MuYmFzZSA9IEdEVF9WSVJUX1NUQVJUKHYpOwoKTWFrZSB0aGlzIGFuZCAu Li4KCj4gKyAgICBsZ2R0KCZnZHRfZGVzYyk7Cj4gK30KPiArCj4gK3N0YXRpYyBpbmxpbmUgdm9p ZCBsb2FkX2RlZmF1bHRfZ2R0KHNlZ19kZXNjX3QgKmdkdCwgdW5zaWduZWQgaW50IGNwdSkKPiAr ewo+ICsgICAgc3RydWN0IGRlc2NfcHRyIGdkdF9kZXNjOwo+ICsKPiArICAgIGdkdF9kZXNjLmxp bWl0ID0gTEFTVF9SRVNFUlZFRF9HRFRfQllURTsKPiArICAgIGdkdF9kZXNjLmJhc2UgID0gKHVu c2lnbmVkIGxvbmcpKGdkdCAtIEZJUlNUX1JFU0VSVkVEX0dEVF9FTlRSWSk7CgouLi4gdGhlIHZh cmlhYmxlcycgaW5pdGlhbGl6ZXJzPyBXaXRoIHRoaXMgYW5kIHdpdGggY29uc3Qgc3VpdGFibHkK YXBwbGllZCB0byBhbGwgZnVuY3Rpb24gcGFyYW1ldGVycyB3aGVyZSB0aGlzIGlzIHBvc3NpYmxl CkFja2VkLWJ5OiBKYW4gQmV1bGljaCA8amJldWxpY2hAc3VzZS5jb20+CgpKYW4KCgoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxp bmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5w cm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==