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=-0.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 D89BDC433DF for ; Thu, 9 Jul 2020 12:00:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BC03E2077D for ; Thu, 9 Jul 2020 12:00:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727886AbgGIMAI (ORCPT ); Thu, 9 Jul 2020 08:00:08 -0400 Received: from szxga03-in.huawei.com ([45.249.212.189]:2540 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726599AbgGIMAH (ORCPT ); Thu, 9 Jul 2020 08:00:07 -0400 Received: from DGGEMM405-HUB.china.huawei.com (unknown [172.30.72.57]) by Forcepoint Email with ESMTP id 990AC231693D6120607E; Thu, 9 Jul 2020 20:00:03 +0800 (CST) Received: from dggema763-chm.china.huawei.com (10.1.198.205) by DGGEMM405-HUB.china.huawei.com (10.3.20.213) with Microsoft SMTP Server (TLS) id 14.3.487.0; Thu, 9 Jul 2020 20:00:03 +0800 Received: from lhreml703-chm.china.huawei.com (10.201.108.52) by dggema763-chm.china.huawei.com (10.1.198.205) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1913.5; Thu, 9 Jul 2020 19:59:59 +0800 Received: from lhreml703-chm.china.huawei.com ([10.201.68.198]) by lhreml703-chm.china.huawei.com ([10.201.68.198]) with mapi id 15.01.1913.007; Thu, 9 Jul 2020 12:59:57 +0100 From: Salil Mehta To: yuzenghui CC: Marc Zyngier , Thomas Gleixner , Linux Kernel Mailing List , "linux-arm-kernel@lists.infradead.org" , "Zhuangyuzeng (Yisen)" , "Wanghaibin (D)" Subject: RE: [REPORT] possible circular locking dependency when booting a VM on arm64 host Thread-Topic: [REPORT] possible circular locking dependency when booting a VM on arm64 host Thread-Index: AQHWVd2KjX+gRVf/zUS8x8KvRiYF2qj/EP5QgAAAiYCAABH08A== Date: Thu, 9 Jul 2020 11:59:57 +0000 Message-ID: <937de9e7174f444bb4adae075213c92e@huawei.com> References: <7225eba7-6e5e-ec7e-953b-d1fef0b1775b@huawei.com> <134ee452eda74f0cbdc10354fe66c48e@huawei.com> <7c1bb3c1-3f64-8c24-ed59-eb3da7bf6643@huawei.com> In-Reply-To: <7c1bb3c1-3f64-8c24-ed59-eb3da7bf6643@huawei.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.47.68.122] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PiBGcm9tOiB5dXplbmdodWkNCj4gU2VudDogVGh1cnNkYXksIEp1bHkgOSwgMjAyMCAxMjo1MCBQ TQ0KPiBUbzogU2FsaWwgTWVodGEgPHNhbGlsLm1laHRhQGh1YXdlaS5jb20+DQo+IENjOiBNYXJj IFp5bmdpZXIgPG1hekBrZXJuZWwub3JnPjsgVGhvbWFzIEdsZWl4bmVyIDx0Z2x4QGxpbnV0cm9u aXguZGU+OyBMaW51eA0KPiBLZXJuZWwgTWFpbGluZyBMaXN0IDxsaW51eC1rZXJuZWxAdmdlci5r ZXJuZWwub3JnPjsNCj4gbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnOyBaaHVh bmd5dXplbmcgKFlpc2VuKQ0KPiA8eWlzZW4uemh1YW5nQGh1YXdlaS5jb20+OyBXYW5naGFpYmlu IChEKSA8d2FuZ2hhaWJpbi53YW5nQGh1YXdlaS5jb20+DQo+IFN1YmplY3Q6IFJlOiBbUkVQT1JU XSBwb3NzaWJsZSBjaXJjdWxhciBsb2NraW5nIGRlcGVuZGVuY3kgd2hlbiBib290aW5nIGEgVk0N Cj4gb24gYXJtNjQgaG9zdA0KPiANCj4gT24gMjAyMC83LzkgMTg6NTQsIFNhbGlsIE1laHRhIHdy b3RlOg0KPiA+IEhpIFl1emVuZ2h1aSwNCj4gPiBJIHdpbGwgdHJ5IHRvIHJlcHJvZHVjZSBpdCB0 b2RheSBhdCBvdXIgcGxhdGZvcm0uIEp1c3Qgb25lIHF1ZXN0aW9uIGlzIGl0IGVhc2lseQ0KPiA+ IHJlcHJvZHVjaWJsZSBvciBpcyBhIHJhcmUgb2NjdXJyZW5jZT8NCj4gDQo+IFNhbGlsLCBpdCdz IDEwMCUgcmVwcm9kdWNpYmxlIG9uY2UgeW91IHN0YXJ0IGEgZ3Vlc3QuIFlvdSBkb24ndCBldmVu DQo+IG5lZWQgdG8gYXNzaWduIGhvc3RkZXYgdG8gdGhlIFZNLg0KDQpUaGFua3MhDQo=