Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp756188ybl; Thu, 12 Dec 2019 04:30:20 -0800 (PST) X-Google-Smtp-Source: APXvYqxT5qSWX7VKR0xPgjI27p7VXeZxb8u8+XaZZHFXNXS4w+iLLJ/lpiA81NbQL0e0gE0wOUam X-Received: by 2002:a9d:6745:: with SMTP id w5mr7470610otm.221.1576153820601; Thu, 12 Dec 2019 04:30:20 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1576153820; cv=none; d=google.com; s=arc-20160816; b=zgIT3ZTFy30ADvOj9dn/HKySkX9O0Pc4y6rOwxerAcFABxoZBpGM+FO2s87qSHsa+y UwthcrOmjEnubQO3igEyaQlKSc6IqfUlg1WORsESxpQfUnC7SVnpGkavJCIot3ZBsVfD ryy9y/a6o7bN+KHPtx7qNv1qOCbi2YyU6CsjS6pXea6azydDicW0mYNtE2DIBfvG6Fg4 OoZocOOORdF8+FoNa56yzLZl1hh3FtKcgOasnd98u2srBdnkbIKgQK9H4AlD51H8cHKE pnFBmtVQJYDiRP2OuszOhb5UIk+HaQSF1d38v59ShgED+imh2O2xWp++31AreB9GYCj1 k5Kw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=Mp53hpiRbT7BNDT7RLBADU6tEzYvxFxSEXGnJs5wSkQ=; b=k7ggYF+SOaSGK3Io9RZLWlQBImJ3LK28offNyz1eDLELkX9DkipyYogoUGj6JEuzxX M2xW62lXtWCzpvL1wFlDOKz/pTRbXWkpoqGULlXvXgaMiY+BP7AFYA7qY4FJmVeCzn9H K68HeP7Naqyr2erHlU/zfaOM3ifJUzLDZSrPDnPEhdPXETz/Z/ekwPYMBTyC05XMPAxF zX3ntDp/mA6CP5kBIzRty6atQt9ZeQq2yysUw60x2sh4jYYWCsLhnZWepRTgsbT7/707 4umjCoG7T1UFGjVye65cdkOERWtHzOPAaajeh0SZzFNMkRkAbbi8QY0aqvyyrwJq3Mjo zlfw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id i25si2983928oii.259.2019.12.12.04.30.07; Thu, 12 Dec 2019 04:30:20 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729206AbfLLM3g (ORCPT + 99 others); Thu, 12 Dec 2019 07:29:36 -0500 Received: from isilmar-4.linta.de ([136.243.71.142]:38690 "EHLO isilmar-4.linta.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729093AbfLLM3g (ORCPT ); Thu, 12 Dec 2019 07:29:36 -0500 X-isilmar-external: YES X-isilmar-external: YES X-isilmar-external: YES X-isilmar-external: YES X-isilmar-external: YES X-isilmar-external: YES Received: from light.dominikbrodowski.net (brodo.linta [10.1.0.102]) by isilmar-4.linta.de (Postfix) with ESMTPSA id 60479200A83; Thu, 12 Dec 2019 12:29:34 +0000 (UTC) Received: by light.dominikbrodowski.net (Postfix, from userid 1000) id 5997C20B6C; Thu, 12 Dec 2019 13:29:11 +0100 (CET) Date: Thu, 12 Dec 2019 13:29:11 +0100 From: Dominik Brodowski To: Hans de Goede Cc: Ard Biesheuvel , Thomas Gleixner , x86@kernel.org, linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 5.5 regression fix 0/2] efi/libstub: Fix mixed-mode crash at boot Message-ID: <20191212122911.GA302343@light.dominikbrodowski.net> References: <20191212103158.4958-1-hdegoede@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191212103158.4958-1-hdegoede@redhat.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Dec 12, 2019 at 11:31:56AM +0100, Hans de Goede wrote: > Hi All, > > Commit 0d95981438c3 ("x86: efi/random: Invoke EFI_RNG_PROTOCOL to seed the UEFI RNG table") > causes drivers/efi/libstub/random.c to be used on x86 for the first time > and some of the code in that file does not deal properly with mixed-mode > setups causing a crash at boot on mixed-mode devices. > > The first patch in this series fixes this and is the regression-fix from > $subject. Sorry for the bug, and thanks for the bugfix! Dominik