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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 3F09AC433DF for ; Tue, 26 May 2020 20:16:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 14E8D2088E for ; Tue, 26 May 2020 20:16:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390940AbgEZUQg (ORCPT ); Tue, 26 May 2020 16:16:36 -0400 Received: from sleepmap.de ([85.10.206.218]:54290 "EHLO mail.sleepmap.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389885AbgEZUQg (ORCPT ); Tue, 26 May 2020 16:16:36 -0400 X-Greylist: delayed 393 seconds by postgrey-1.27 at vger.kernel.org; Tue, 26 May 2020 16:16:35 EDT Date: Tue, 26 May 2020 22:10:00 +0200 From: David Runge To: Reiner =?utf-8?B?UHLDtmxz?= Cc: linux-rt-users@vger.kernel.org Subject: Re: RT Patch and EFI Message-ID: <20200526201000.GB5157@dvzrv.localdomain> References: <0e6032b1-9cca-fbcb-5ea1-77575a69afa3@gmail.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="H+4ONPRPur6+Ovig" Content-Disposition: inline In-Reply-To: <0e6032b1-9cca-fbcb-5ea1-77575a69afa3@gmail.com> Sender: linux-rt-users-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rt-users@vger.kernel.org --H+4ONPRPur6+Ovig Content-Type: text/plain; protected-headers=v1; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Subject: Re: RT Patch and EFI Hi Reiner, On 2020-05-26 21:54:39 (+0200), Reiner Pr=C3=B6ls wrote: > I tried the last RT patch against a 5.6.10 kernel. >=20 > After enabeling the FULL preemption model I'am no longer possible to > use efibootmgr. >=20 > The kernel module efivarfs refuses to load - no device ... IIRC, efivarfs functionality is disabled by default due to the patchset. Add the `efi=3Druntime` kernel parameter and reboot. Best, David --=20 https://sleepmap.de --H+4ONPRPur6+Ovig Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEkb2IFf4AQPp/9daHVMKPT/WhqUkFAl7Nd5gACgkQVMKPT/Wh qUlHUQ/+OMKGQSaajuxEiyBOgmgm+Iv/S5B/cmVD15QqqxBzs7nw5alvHiP45Da5 vHHBXelxHBYDNgdDg+T5fyfUcaRNGyrLk45aga99RPn8IMQvqEG3dhIXSWQfA5dR h4VMKalGPGKYxIN4k/TDR0Keamh5Dqesd4YfTHDKR2V52RjWboElIvf714iXnECq mfovIld5oWP0N/aJwIMHQJP/SkYq0BcahzcWnp/6WX+Lk/TrgIiXgYurXkEduZXC G2GGylHBnGQJQrhAtcV3A2vknPpMCeiKqx/s4QibFbfuuzRnApE2XQdJobOlTKbO Evv1+I+yHU+2h/P4ztfjn8qTiD7hfYIyaqc5pWUx6J8qxikL2w7apYng6K/kiqBh HTVEZSuCZRgSLfxejoD4d5QCQRyAqqqy6r4IqNjy91k5YdAq/ucyNhRwb0tDD76B tqW1zcDCEEbV3QV1/PLCPfO5BZEiH2v3fd6K1r1ovz4n9PRlV627xZ67o5zvZhtr W5i7YWhvn9VbfEMCagiAOVGueIiZAcKNfUfBTGvZpQtIZa9HiW7VWlnlJq8U4BqX WhTLzNI6zWEH6QZt4Wv1DQn5YQFcIs2YSjOJRc2cNqvwOIGTnFkzSgXN+kSBybc6 p09bmCi/6xtjp4g2WeaRZoIe9psx2Lm6Fa8tnH6Xpa2fx5bvIuI= =atrf -----END PGP SIGNATURE----- --H+4ONPRPur6+Ovig--