Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6DC75C433F5 for ; Thu, 9 Dec 2021 05:49:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232481AbhLIFxC (ORCPT ); Thu, 9 Dec 2021 00:53:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54218 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232456AbhLIFxB (ORCPT ); Thu, 9 Dec 2021 00:53:01 -0500 Received: from mail-qt1-x82f.google.com (mail-qt1-x82f.google.com [IPv6:2607:f8b0:4864:20::82f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 803FAC061746 for ; Wed, 8 Dec 2021 21:49:28 -0800 (PST) Received: by mail-qt1-x82f.google.com with SMTP id j17so4397338qtx.2 for ; Wed, 08 Dec 2021 21:49:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:from:to:cc:subject:in-reply-to:message-id:references :mime-version; bh=E0B33T1dP/kOnzZo9k42+8Jf6pOpiUNg/NJ3rKCqDzA=; b=fLS7KE+NyR7NSFKwZgFxknGLgPfN2krzjHueESAHdHAzNLTh7IBWI3t4aXCI/jpEZp ng2jupSd3T9kdCxarUO+55S8pigRC7982SKT3WuKh12qVHYmvzERPw5SIHiAk0EyTIxs 4iFBtOzKGyPjEl8jkkd14bfnJBw6HddhRJxEuFKy2pSs3FLxn88EeHJmXuIGUkhO+I0l gXx3hLTx2phNvfdcGp+b+97N3FChokoHoRhlA89LtgdRItwZ1y9j4Zad1ocWp5b4tL+j +NSMELRp6ocbkdU5So8X3xAJO7ziFA0ZbgwU9Xe5pCGEG8+9u8Hl7+H6FDR6n8YxxI9q YtLQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:in-reply-to:message-id :references:mime-version; bh=E0B33T1dP/kOnzZo9k42+8Jf6pOpiUNg/NJ3rKCqDzA=; b=YJVjI6ukzEz1bt9S4mBB5tUwWYxq7zn8x8CrX6GnfztOjKkJq4wDCcc05qm94iWW/y oHMSCULyKyKo5wPgxeBCeC9Yjn12kSYUizcT/0/ARJABBXd1rmqCr7hdtReTwd26ORU2 IPKMxbQ4QaVj8977pqimuNsBcKJDhTocvcDqFtVKZQEEjeEL9Ldt5F0AzA2fm3Wl76aL rtYEPFuh3bjksaTn9rpA81JFvQbIHGqeyaJswTBziXw7WpLcaM6iGp6FxJTewGsmyGBT FQmWvrluDXXRXelG9ZcFLVcPUnFegvbh+iu/cvN3X9JogEMi8tRJK/Kqi7l9VikgTNTN HZVg== X-Gm-Message-State: AOAM531ByoxHgO4BcyBy+gL9IjDxmAAs7mCG67sMeDvn76709PnbWnIf fT7ibRuhAwH4RWtYqrdUS+PVaQ== X-Google-Smtp-Source: ABdhPJx5KisNBSCJ62vo48H5GOfTM1bApzhKpJ6xJMnuoa33VIDbFdcrKobMneglT6Fl/83H94BHOA== X-Received: by 2002:a05:622a:95:: with SMTP id o21mr14478633qtw.386.1639028967486; Wed, 08 Dec 2021 21:49:27 -0800 (PST) Received: from [192.168.1.227] (172-10-233-147.lightspeed.sntcca.sbcglobal.net. [172.10.233.147]) by smtp.gmail.com with ESMTPSA id k8sm2553631qko.130.2021.12.08.21.49.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Dec 2021 21:49:26 -0800 (PST) Date: Wed, 8 Dec 2021 21:49:24 -0800 (PST) From: Hugh Dickins X-X-Sender: hugh@ripple.anvils To: Borislav Petkov cc: Dan Williams , Anjaneya Chagam , linux-kernel@vger.kernel.org, x86@kernel.org Subject: Re: 5.16-rc: "x86/boot: Pull up cmdline" breaks mem= In-Reply-To: Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Typo, sorry Anjaneya. On Wed, 8 Dec 2021, Hugh Dickins wrote: > Bad news, I'm afraid: I boot with "mem=1G" on the cmdline for testing, > which worked fine on 5.16-rc1, but does not work on 5.16-rc2 onwards. > > Bisection arrived at 8d48bf8206f7 ("x86/boot: Pull up cmdline preparation > and early param parsing"); and reverting c0f2077baa41 ("x86/boot: Mark > prepare_command_line() __init") then 8d48bf820cf7 does fix my "mem=1G". > > I have not tried 5.15-stable, but guess that is likewise afflicted. > Sympathy, but no suggestions from me: early init ordering is hard! > > Hugh >