From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH 49/60] xen/sched: reject switching smt on/off with core scheduling active Date: Tue, 28 May 2019 05:44:03 -0600 Message-ID: <5CED1F030200007800233129@prv1-mh.provo.novell.com> References: <20190528103313.1343-1-jgross@suse.com> <20190528103313.1343-50-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 1hVaWY-0000J2-Iw for xen-devel@lists.xenproject.org; Tue, 28 May 2019 11:44:10 +0000 In-Reply-To: <20190528103313.1343-50-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: Tim Deegan , Stefano Stabellini , WeiLiu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , Ian Jackson , Dario Faggioli , Julien Grall , xen-devel , Roger Pau Monne List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDI4LjA1LjE5IGF0IDEyOjMzLCA8amdyb3NzQHN1c2UuY29tPiB3cm90ZToKPiAtLS0g YS94ZW4vYXJjaC94ODYvc3lzY3RsLmMKPiArKysgYi94ZW4vYXJjaC94ODYvc3lzY3RsLmMKPiBA QCAtMjAwLDcgKzIwMCw4IEBAIGxvbmcgYXJjaF9kb19zeXNjdGwoCj4gIAo+ICAgICAgICAgIGNh c2UgWEVOX1NZU0NUTF9DUFVfSE9UUExVR19TTVRfRU5BQkxFOgo+ICAgICAgICAgIGNhc2UgWEVO X1NZU0NUTF9DUFVfSE9UUExVR19TTVRfRElTQUJMRToKPiAtICAgICAgICAgICAgaWYgKCAhY3B1 X2hhc19odHQgfHwgYm9vdF9jcHVfZGF0YS54ODZfbnVtX3NpYmxpbmdzIDwgMiApCj4gKyAgICAg ICAgICAgIGlmICggIWNwdV9oYXNfaHR0IHx8IGJvb3RfY3B1X2RhdGEueDg2X251bV9zaWJsaW5n cyA8IDIgfHwKPiArICAgICAgICAgICAgICAgICBzY2hlZF9kaXNhYmxlX3NtdF9zd2l0Y2hpbmcg KQo+ICAgICAgICAgICAgICB7Cj4gICAgICAgICAgICAgICAgICByZXQgPSAtRU9QTk9UU1VQUDsK PiAgICAgICAgICAgICAgICAgIGJyZWFrOwoKSSdtIG5vdCBjb252aW5jZWQgLUVPUE5PVFNVUFAg aXMgYW4gYXBwcm9wcmlhdGUgZXJyb3IgY29kZSBmb3IKdGhpcyBuZXcgY2FzZS4gLUVQRVJNLCAt RUFDQ0VTLCBvciAtRUlPIHdvdWxkIGFsbCBzZWVtIG1vcmUKYXBwcm9wcmlhdGUgdG8gbWUgKGFu ZCBwZXJoYXBzIHRoZXJlIGFyZSBmdXJ0aGVyIG9uZXMpLgoKPiAtLS0gYS94ZW4vY29tbW9uL3Nj aGVkdWxlLmMKPiArKysgYi94ZW4vY29tbW9uL3NjaGVkdWxlLmMKPiBAQCAtNTcsNiArNTcsNyBA QCBpbnRlZ2VyX3BhcmFtKCJzY2hlZF9yYXRlbGltaXRfdXMiLCBzY2hlZF9yYXRlbGltaXRfdXMp Owo+ICAKPiAgLyogTnVtYmVyIG9mIHZjcHVzIHBlciBzdHJ1Y3Qgc2NoZWRfdW5pdC4gKi8KPiAg c3RhdGljIHVuc2lnbmVkIGludCBzY2hlZF9ncmFudWxhcml0eSA9IDE7Cj4gK2Jvb2wgc2NoZWRf ZGlzYWJsZV9zbXRfc3dpdGNoaW5nOwoKX19yZWFkX21vc3RseSAocGVyaGFwcyBhbHNvIHRoZSBw cmUtZXhpc3RpbmcgdmFyaWFibGUgaW4gY29udGV4dCk/CgpKYW4KCgoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApY ZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9y Zy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA== 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 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 D9BAFC04AB6 for ; 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Tue, 28 May 2019 11:44:08 +0000 (UTC) Received: from INET-PRV1-MTA by prv1-mh.provo.novell.com with Novell_GroupWise; Tue, 28 May 2019 05:44:07 -0600 Message-Id: <5CED1F030200007800233129@prv1-mh.provo.novell.com> X-Mailer: Novell GroupWise Internet Agent 18.1.1 Date: Tue, 28 May 2019 05:44:03 -0600 From: "Jan Beulich" To: "Juergen Gross" References: <20190528103313.1343-1-jgross@suse.com> <20190528103313.1343-50-jgross@suse.com> In-Reply-To: <20190528103313.1343-50-jgross@suse.com> Mime-Version: 1.0 Content-Disposition: inline Subject: Re: [Xen-devel] [PATCH 49/60] xen/sched: reject switching smt on/off with core scheduling active 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: Tim Deegan , Stefano Stabellini , WeiLiu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , Ian Jackson , Dario Faggioli , Julien Grall , 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: <20190528114403.a3fz9qAZBWPmpQw2a4YKDTAyc1uoIaRzua0aStiZDx4@z> Pj4+IE9uIDI4LjA1LjE5IGF0IDEyOjMzLCA8amdyb3NzQHN1c2UuY29tPiB3cm90ZToKPiAtLS0g YS94ZW4vYXJjaC94ODYvc3lzY3RsLmMKPiArKysgYi94ZW4vYXJjaC94ODYvc3lzY3RsLmMKPiBA QCAtMjAwLDcgKzIwMCw4IEBAIGxvbmcgYXJjaF9kb19zeXNjdGwoCj4gIAo+ICAgICAgICAgIGNh c2UgWEVOX1NZU0NUTF9DUFVfSE9UUExVR19TTVRfRU5BQkxFOgo+ICAgICAgICAgIGNhc2UgWEVO X1NZU0NUTF9DUFVfSE9UUExVR19TTVRfRElTQUJMRToKPiAtICAgICAgICAgICAgaWYgKCAhY3B1 X2hhc19odHQgfHwgYm9vdF9jcHVfZGF0YS54ODZfbnVtX3NpYmxpbmdzIDwgMiApCj4gKyAgICAg ICAgICAgIGlmICggIWNwdV9oYXNfaHR0IHx8IGJvb3RfY3B1X2RhdGEueDg2X251bV9zaWJsaW5n cyA8IDIgfHwKPiArICAgICAgICAgICAgICAgICBzY2hlZF9kaXNhYmxlX3NtdF9zd2l0Y2hpbmcg KQo+ICAgICAgICAgICAgICB7Cj4gICAgICAgICAgICAgICAgICByZXQgPSAtRU9QTk9UU1VQUDsK PiAgICAgICAgICAgICAgICAgIGJyZWFrOwoKSSdtIG5vdCBjb252aW5jZWQgLUVPUE5PVFNVUFAg aXMgYW4gYXBwcm9wcmlhdGUgZXJyb3IgY29kZSBmb3IKdGhpcyBuZXcgY2FzZS4gLUVQRVJNLCAt RUFDQ0VTLCBvciAtRUlPIHdvdWxkIGFsbCBzZWVtIG1vcmUKYXBwcm9wcmlhdGUgdG8gbWUgKGFu ZCBwZXJoYXBzIHRoZXJlIGFyZSBmdXJ0aGVyIG9uZXMpLgoKPiAtLS0gYS94ZW4vY29tbW9uL3Nj aGVkdWxlLmMKPiArKysgYi94ZW4vY29tbW9uL3NjaGVkdWxlLmMKPiBAQCAtNTcsNiArNTcsNyBA QCBpbnRlZ2VyX3BhcmFtKCJzY2hlZF9yYXRlbGltaXRfdXMiLCBzY2hlZF9yYXRlbGltaXRfdXMp Owo+ICAKPiAgLyogTnVtYmVyIG9mIHZjcHVzIHBlciBzdHJ1Y3Qgc2NoZWRfdW5pdC4gKi8KPiAg c3RhdGljIHVuc2lnbmVkIGludCBzY2hlZF9ncmFudWxhcml0eSA9IDE7Cj4gK2Jvb2wgc2NoZWRf ZGlzYWJsZV9zbXRfc3dpdGNoaW5nOwoKX19yZWFkX21vc3RseSAocGVyaGFwcyBhbHNvIHRoZSBw cmUtZXhpc3RpbmcgdmFyaWFibGUgaW4gY29udGV4dCk/CgpKYW4KCgoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApY ZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9y Zy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==