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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 799BCC2D0C4 for ; Tue, 10 Dec 2019 10:29:37 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5470E2053B for ; Tue, 10 Dec 2019 10:29:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5470E2053B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1ieclU-00005L-Rz; Tue, 10 Dec 2019 10:29:12 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1ieclT-00005D-5G for xen-devel@lists.xenproject.org; Tue, 10 Dec 2019 10:29:11 +0000 X-Inumbo-ID: e7006e7a-1b37-11ea-8917-12813bfff9fa Received: from mx1.suse.de (unknown [195.135.220.15]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id e7006e7a-1b37-11ea-8917-12813bfff9fa; Tue, 10 Dec 2019 10:29:10 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id C616CB229; Tue, 10 Dec 2019 10:29:09 +0000 (UTC) To: Andrew Cooper References: <20191205223008.8623-1-andrew.cooper3@citrix.com> <20191205223008.8623-7-andrew.cooper3@citrix.com> From: Jan Beulich Message-ID: <18fc1fa8-08f6-be73-c1d2-671a9ea8f728@suse.com> Date: Tue, 10 Dec 2019 11:29:29 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1 MIME-Version: 1.0 In-Reply-To: <20191205223008.8623-7-andrew.cooper3@citrix.com> Content-Language: en-US Subject: Re: [Xen-devel] [PATCH 6/6] x86/smt: Don't use -EBUSY for smt_up_down_helper() continuations 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: Xen-devel , Wei Liu , =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMDUuMTIuMjAxOSAyMzozMCwgQW5kcmV3IENvb3BlciB3cm90ZToKPiAtLS0gYS94ZW4vYXJj aC94ODYvc3lzY3RsLmMKPiArKysgYi94ZW4vYXJjaC94ODYvc3lzY3RsLmMKPiBAQCAtODUsNiAr ODUsOSBAQCBsb25nIGNwdV91cF9oZWxwZXIodm9pZCAqZGF0YSkKPiAgICAgICAgICAvKiBPbiBF QlVTWSwgZmx1c2ggUkNVIHdvcmsgYW5kIGhhdmUgb25lIG1vcmUgZ28uICovCj4gICAgICAgICAg cmN1X2JhcnJpZXIoKTsKPiAgICAgICAgICByZXQgPSBjcHVfdXAoY3B1KTsKPiArCj4gKyAgICAg ICAgaWYgKCByZXQgPT0gLUVCVVNZICkKPiArICAgICAgICAgICAgcmV0ID0gLUVSRVNUQVJUOwo+ ICAgICAgfQo+ICAKPiAgICAgIGlmICggIXJldCAmJiAhb3B0X3NtdCAmJgo+IEBAIC0xMTAsNiAr MTEzLDkgQEAgbG9uZyBjcHVfZG93bl9oZWxwZXIodm9pZCAqZGF0YSkKPiAgICAgICAgICAvKiBP biBFQlVTWSwgZmx1c2ggUkNVIHdvcmsgYW5kIGhhdmUgb25lIG1vcmUgZ28uICovCj4gICAgICAg ICAgcmN1X2JhcnJpZXIoKTsKPiAgICAgICAgICByZXQgPSBjcHVfZG93bihjcHUpOwo+ICsKPiAr ICAgICAgICBpZiAoIHJldCA9PSAtRUJVU1kgKQo+ICsgICAgICAgICAgICByZXQgPSAtRVJFU1RB UlQ7Cj4gICAgICB9Cj4gICAgICByZXR1cm4gcmV0Owo+ICB9CgpGb3IgYm90aCBvZiB0aGVzZSAt IGlmIHR3byBzdWNjZXNzaXZlIGF0dGVtcHRzIGRpZG4ndCB3b3JrLCBpcwp0aGVyZSByZWFsbHkg bXVjaCBwb2ludCBub3QgcmVwb3J0aW5nIHRoZSBmYWN0IGJhY2sgdG8gdGhlCmNhbGxlcj8gWW91 J3JlIGxpYWJsZSB0byByZXF1ZXN0IGNvbnRpbnVhdGlvbnMgaW5kZWZpbml0ZWx5IHRoZW4uCgo+ IEBAIC0xNDMsOCArMTQ5LDcgQEAgc3RhdGljIGxvbmcgc210X3VwX2Rvd25faGVscGVyKHZvaWQg KmRhdGEpCj4gICAgICAgICAgICovCj4gICAgICAgICAgaWYgKCByZXQgIT0gLUVFWElTVCAmJiBn ZW5lcmFsX3ByZWVtcHRfY2hlY2soKSApCj4gICAgICAgICAgewo+IC0gICAgICAgICAgICAvKiBJ biB0YXNrbGV0IGNvbnRleHQgLSBjYW4ndCBjcmVhdGUgYSBjb250aW5hdGlvbi4gKi8KPiAtICAg ICAgICAgICAgcmV0ID0gLUVCVVNZOwo+ICsgICAgICAgICAgICByZXQgPSAtRVJFU1RBUlQ7Cj4g ICAgICAgICAgICAgIGJyZWFrOwo+ICAgICAgICAgIH0KPiAgCgpJIGFncmVlIHdpdGggdGhpcyBj aGFuZ2UuCgpKYW4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3Jn Cmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=