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=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 ED10EC64E7A for ; Tue, 24 Nov 2020 15:30:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BEA42206D8 for ; Tue, 24 Nov 2020 15:30:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389720AbgKXPaq (ORCPT ); Tue, 24 Nov 2020 10:30:46 -0500 Received: from eu-smtp-delivery-151.mimecast.com ([185.58.86.151]:29829 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389662AbgKXPaq (ORCPT ); Tue, 24 Nov 2020 10:30:46 -0500 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-117-FzTlDiKxMNmyd29DthU8XA-1; Tue, 24 Nov 2020 15:30:42 +0000 X-MC-Unique: FzTlDiKxMNmyd29DthU8XA-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Tue, 24 Nov 2020 15:30:42 +0000 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Tue, 24 Nov 2020 15:30:42 +0000 From: David Laight To: 'Ard Biesheuvel' CC: linux-efi , kernel list , "matthew.garrett@nebula.com" , "jk@ozlabs.org" Subject: RE: Oops (probably) unmounting /oldroot/firmware/efi/efivars. Thread-Topic: Oops (probably) unmounting /oldroot/firmware/efi/efivars. Thread-Index: AdbCbM2Q6wdSIj4dRX6VFD+iYFiXewAAJveAAAEq0JAAACh8AAAA5OiA Date: Tue, 24 Nov 2020 15:30:42 +0000 Message-ID: <4bd4f6ca36334473bc55bf3b5704afa1@AcuMS.aculab.com> References: <5f31cde519b941308412b3849197ee7c@AcuMS.aculab.com> <3e96bbfe476b4b3d876e480ce6b20b58@AcuMS.aculab.com> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogQXJkIEJpZXNoZXV2ZWwNCj4gU2VudDogMjQgTm92ZW1iZXIgMjAyMCAxNTowMg0KPiBP biBUdWUsIDI0IE5vdiAyMDIwIGF0IDE1OjU4LCBEYXZpZCBMYWlnaHQgPERhdmlkLkxhaWdodEBh Y3VsYWIuY29tPiB3cm90ZToNCj4gPg0KPiA+IEZyb206IEFyZCBCaWVzaGV1dmVsDQo+ID4gPiBT ZW50OiAyNCBOb3ZlbWJlciAyMDIwIDE0OjI0DQo+ID4gPg0KPiA+ID4gT24gVHVlLCAyNCBOb3Yg MjAyMCBhdCAxNToyMiwgRGF2aWQgTGFpZ2h0IDxEYXZpZC5MYWlnaHRAYWN1bGFiLmNvbT4gd3Jv dGU6DQo+ID4gPiA+DQo+ID4gPiA+IEkndmUganVzdCB1cGRhdGVkIHRvIHRoZSBoZWFkIG9mIExp bnVzJ3MgdHJlZSAoNS4xMC1yYzUpIGFuZCBnb3QgdGhlIGZvbGxvd2luZw0KPiA+ID4gPiAnc3Bs YXQnIGR1cmluZyBzaHV0ZG93bi4NCj4gPiA+ID4NCj4gPiA+ID4gVXNlcnNwYWNlIGlzIFVidW50 dSAyMC4wNC4NCj4gPiA+ID4NCj4gPiA+ID4gcmM0IHJlYm9vdGVkIGZpbmUuDQo+ID4gPiA+DQo+ ID4gPiA+IEknbGwgdHJ5IHRvIGJpc2VjdCAtIGJ1dCBpdCBpc24ndCBxdWljay4NCj4gPiA+ID4N Cj4gPiA+DQo+ID4gPiBTdXJlbHkgY2F1c2VkIGJ5DQo+ID4gPg0KPiA+ID4NCj4gaHR0cHM6Ly9n aXQua2VybmVsLm9yZy9wdWIvc2NtL2xpbnV4L2tlcm5lbC9naXQvdG9ydmFsZHMvbGludXguZ2l0 L2NvbW1pdC9mcy9lZml2YXJmcz9pZD1mZTUxODZjZjEyZTMwDQo+ID4gPiBmYWNmZTI2MWU5YmU2 Yzc5MDRhMTcwYmQ4MjINCj4gPg0KPiA+IFllcCwgcmVib290cyBmaW5lIHdpdGggdGhhdCBrZnJl ZSgpIGNvbW1lbnRlZCBvdXQuDQo+ID4NCj4gDQo+IFRoYW5rcyBmb3IgY29uZmlybWluZy4NCj4g DQo+IERvZXMgaXQgYWxzbyB3b3JrIHdoZW4ga2VlcGluZyB0aGUga2ZyZWUoKSBhbmQgc2V0dGlu Zw0KPiBpbm9kZS0+aV9wcml2YXRlIHRvIE5VTEwgZXhwbGljaXRseSBhZnRlcndhcmRzPw0KDQpO bywgdGhhdCBzdGlsbCBwYW5pY3MuDQpTZXR0aW5nIGlfcHJpdmF0ZSBOVUxMIChidXQgd2l0aG91 dCB0aGUga2ZyZWUoKSkgaXMgb2suDQoNCkknbSBzZWVpbmcgNDIgY2FsbHMgd2l0aCBhIG5vbi1O VUxMIGlfcHJpdmF0ZS4NClRoZSBmaW5hbCBjYWxsIGhhcyBpX3ByaXZhdGUgTlVMTCBhbmQgaXNu J3QgYSBkdXBsaWNhdGUuDQoNClRoZXJlIG11c3QgYmUgYW5vdGhlciBwb2ludGVyIGludG8gb25l IG9mIHRoZSBzdHJ1Y3R1cmVzLg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExh a2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQs IFVLDQpSZWdpc3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K