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 72F4CC43603 for ; Tue, 10 Dec 2019 08:55:36 +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 482EC20663 for ; Tue, 10 Dec 2019 08:55:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 482EC20663 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 1iebIa-0007CH-LQ; Tue, 10 Dec 2019 08:55:16 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iebIZ-0007CC-8J for xen-devel@lists.xenproject.org; Tue, 10 Dec 2019 08:55:15 +0000 X-Inumbo-ID: c7585478-1b2a-11ea-88e7-bc764e2007e4 Received: from mx1.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id c7585478-1b2a-11ea-88e7-bc764e2007e4; Tue, 10 Dec 2019 08:55:14 +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 F3E92AE5E; Tue, 10 Dec 2019 08:55:12 +0000 (UTC) To: Andrew Cooper References: <20191205223008.8623-1-andrew.cooper3@citrix.com> <20191205223008.8623-6-andrew.cooper3@citrix.com> <60ae5d0a-8290-42ed-74e7-894515c5dea3@suse.com> <300fe43e-fbe9-b0e0-1ac8-000e2a55f276@citrix.com> From: Jan Beulich Message-ID: <7a1c0f6b-6f41-8a1f-7170-9ea235bf1bc9@suse.com> Date: Tue, 10 Dec 2019 09:55:32 +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: <300fe43e-fbe9-b0e0-1ac8-000e2a55f276@citrix.com> Content-Language: en-US Subject: Re: [Xen-devel] [PATCH 5/6] xen/tasklet: Return -ERESTART from continue_hypercall_on_cpu() 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: Stefano Stabellini , Julien Grall , Wei Liu , Xen-devel , Volodymyr Babchuk , =?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" T24gMDkuMTIuMjAxOSAxODo0OSwgQW5kcmV3IENvb3BlciB3cm90ZToKPiBPbiAwOS8xMi8yMDE5 IDE2OjUyLCBKYW4gQmV1bGljaCB3cm90ZToKPj4gT24gMDUuMTIuMjAxOSAyMzozMCwgQW5kcmV3 IENvb3BlciB3cm90ZToKPj4+IFNvbWUgaHlwZXJjYWxscyB0YXNrbGV0cyB3YW50IHRvIGNyZWF0 ZSBhIGNvbnRpbnVhdGlvbiwgcmF0aGVyIHRoYW4gZmFpbCB0aGUKPj4+IGh5cGVyY2FsbCB3aXRo IGEgaGFyZCBlcnJvci4gIEJ5IHRoZSB0aW1lIHRoZSB0YXNrbGV0IGlzIGV4ZWN1dGluZywgaXQg aXMgdG9vCj4+PiBsYXRlIHRvIGNyZWF0ZSB0aGUgY29udGludWF0aW9uLCBhbmQgZXZlbiBjb250 aW51ZV9oeXBlcmNhbGxfb25fY3B1KCkgZG9lc24ndAo+Pj4gaGF2ZSBlbm91Z2ggc3RhdGUgdG8g ZG8gaXQgY29ycmVjdGx5Lgo+PiBJIHRoaW5rIGl0IHdvdWxkIGJlIHF1aXRlIG5pY2UgaWYgeW91 IG1hZGUgY2xlYXIgd2hhdCBwaWVjZSBvZiBzdGF0ZQo+PiBpdCBpcyBhY3R1YWxseSBtaXNzaW5n LiBUbyBiZSBob25lc3QsIEkgZG9uJ3QgcmVjYWxsIGFueW1vcmUuCj4gCj4gSG93IHRvIGNvcnJl Y3RseSBtdXRhdGUgdGhlIHJlZ2lzdGVycyBhbmQvb3IgbWVtb3J5ICh3aGljaCBpcyBzcGVjaWZp Ywo+IHRvIHRoZSBoeXBlcmNhbGwgc3Vib3AgaW4gc29tZSBjYXNlcykuCgpXZWxsLCBpbi1tZW1v cnkgYXJndW1lbnRzIGNhbiBiZSBhY2Nlc3NlZCBhcyBsb25nIGFzIHRoZSBtYXBwaW5nIGlzCnRo ZSByaWdodCBvbmUgKHdoaWNoIGl0IHR5cGljYWxseSB3b3VsZG4ndCBiZSBpbnNpZGUgYSB0YXNr bGV0KS4gRG8KZXhpc3RpbmcgY29udGludWVfaHlwZXJjYWxsX29uX2NwdSgpIHVzZXJzIG5lZWQg dGhpcz8gTG9va2luZyBvdmVyCnBhdGNoIDQgYWdhaW4sIEkgZGlkbid0IHRoaW5rIHNvLiAoV2hp Y2ggaXNuJ3QgdG8gc2F5IHRoYXQgcmVtb3ZpbmcKdGhlIGxhdGVudCBpc3N1ZSBpcyBub3QgYSBn b29kIHRoaW5nLikKCkluLXJlZ2lzdGVyIHZhbHVlcyBjYW4gYmUgY2hhbmdlZCBhcyBsb25nIGFz IHRoZSByZXNwZWN0aXZlIGV4aXQKcGF0aCB3aWxsIHN1aXRhYmx5IHBpY2sgdXAgdGhlIHZhbHVl LCB3aGljaCBJIHRob3VnaHQgd2FzIGFsd2F5cwp0aGUgY2FzZS4KCkhlbmNlIEknbSBhZnJhaWQg eW91ciBzaW5nbGUgcmVwbHkgc2VudGVuY2UgZGlkbid0IHJlYWxseSBjbGFyaWZ5Cm1hdHRlcnMu IEknbSBzb3JyeSBpZiB0aGlzIGlzIGp1c3QgYmVjYXVzZSBvZiBtZSBiZWluZyBkZW5zZS4KCj4+ PiBUaGVyZSBpcyBvbmUgUkZDIHBvaW50LiAgVGhlIHN0YXRlbWVudCBpbiB0aGUgaGVhZGVyIGZp bGUgb2YgIklmIHRoaXMgZnVuY3Rpb24KPj4+IHJldHVybnMgMCB0aGVuIHRoZSBmdW5jdGlvbiBp cyBndWFyYW50ZWVkIHRvIHJ1biBhdCBzb21lIHBvaW50IGluIHRoZSBmdXR1cmUuIgo+Pj4gd2Fz IG5ldmVyIHRydWUuICBJbiB0aGUgY2FzZSBvZiBhIENQVSBtaXNzLCB0aGUgaHlwZXJjYWxsIHdv dWxkIGJlIGJsaW5kbHkKPj4+IGZhaWxlZCB3aXRoIC1FSU5WQUwuCj4+ICJXYXMgbmV2ZXIgdHJ1 ZSIgc291bmRzIGxpa2UgImNvbXBsZXRlbHkgYnJva2VuIi4gQWZhaWN0IGl0IHdhcyB0cnVlCj4+ IGluIGFsbCBjYXNlcyBleGNlcHQgdGhlIHB1cmVseSBoeXBvdGhldGljYWwgb25lIG9mIHRoZSB0 YXNrbGV0IGVuZGluZwo+PiB1cCBleGVjdXRpbmcgb24gdGhlIHdyb25nIENQVS4KPiAKPiBUaGVy ZSBpcyBub3RoaW5nIGh5cG90aGV0aWNhbCBhYm91dCBpdC7CoCBJdCByZWFsbHkgd2lsbCBnbyB3 cm9uZyB3aGVuIGEKPiBDUFUgZ2V0cyBvZmZsaW5lZC4KCkFjY2VwdGVkLCBidXQgaXQncyBzdGls bCBub3QgbGlrZSAiY29tcGxldGVseSBicm9rZW4iLiBJIHdvdWxkIGV2ZW4Kc3VwcG9zZSB0aGUg Y2FzZSB3YXNuJ3QgY29uc2lkZXJlZCB3aGVuIENQVSBvZmZsaW5pbmcgc3VwcG9ydCB3YXMKaW50 cm9kdWNlZCwgbm90IHdoZW4gY29udGludWVfaHlwZXJjYWxsX29uX2NwdSgpIGNhbWUgaW50byBl eGlzdGVuY2UKKHdoaWNoIHByZXN1bWFibHkgaXMgd2hlbiB0aGUgY29tbWVudCB3YXMgd3JpdHRl bikuCgpBbnl3YXkgLSB5ZXMsIEkgYWdyZWUgdGhpcyBpcyBhIGZhaXIgc29sdXRpb24gdG8gdGhl IGlzc3VlIGF0IGhhbmQuCgo+Pj4gVGhlIGN1cnJlbnQgYmVoYXZpb3VyIHdpdGggdGhpcyBwYXRj aCBpcyB0byBub3QgY2FuY2VsIHRoZSBjb250aW51YXRpb24sIHdoaWNoCj4+PiBJIHRoaW5rIGlz IGxlc3MgYmFkLCBidXQgc3RpbGwgbm90IGdyZWF0LiAgVGhvdWdodHM/Cj4+IFdlbGwsIHRoYXQn cyBhIGd1ZXN0IGxpdmUgbG9jayB0aGVuIGFpdWkuCj4gCj4gSXQgc2ltcGx5IGNvbnRpbnVlcyBh Z2Fpbi7CoCBJdCB3aWxsIGxpdmVsb2NrIG9ubHkgaWYgdGhlIGh5cGVyY2FsbCBwaWNrcwo+IGEg YmFkIGNwdSBhbGwgdGhlIHRpbWUuCgpPaCwgSSBzZWUgSSB3YXMgbWlzbGVhZCBieSBjb250aW51 ZV9oeXBlcmNhbGxfdGFza2xldF9oYW5kbGVyKCkgbm90CnVwZGF0aW5nIGluZm8tPmNwdSwgbm90 IHBheWluZyBhdHRlbnRpb24gdG8gaXQgYWN0dWFsbHkgZnJlZWluZyBpbmZvLgpQbHVzIGEgY3J1 Y2lhbCBhc3BlY3QgbG9va3MgdG8gYmUgdGhhdCB0aGVyZSBhcmUgbm8gImNoYWluZWQiIHVzZXMg b2YKY29udGludWVfaHlwZXJjYWxsX29uX2NwdSgpIGFueW1vcmUgKHRoZSBtaWNyb2NvZGUgbG9h ZGluZyBvbmUgYmVpbmcKZ29uZSBub3cpIC0gYWZhaWN0IGFueSBzdWNoIHdvdWxkbid0IGd1YXJh bnRlZSBmb3J3YXJkIHByb2dyZXNzIHdpdGgKdGhpcyBuZXcgbW9kZWwgKHdpdGhvdXQgcmVjb3Jk aW5nIHNvbWV3aGVyZSB3aGljaCBDUFVzIGhhZCBiZWVuIGRlYWx0CndpdGggYWxyZWFkeSkuCgpK YW4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1k ZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8v bGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=