From patchwork Wed Mar 3 13:49:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Will Deacon X-Patchwork-Id: 392266 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=-14.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT 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 2297CC41621 for ; Wed, 3 Mar 2021 19:28:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E61A764EF4 for ; Wed, 3 Mar 2021 19:28:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1579682AbhCCSbu (ORCPT ); Wed, 3 Mar 2021 13:31:50 -0500 Received: from mail.kernel.org ([198.145.29.99]:51212 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242249AbhCCNwH (ORCPT ); Wed, 3 Mar 2021 08:52:07 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 869FD64EC3; Wed, 3 Mar 2021 13:50:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1614779419; bh=LQhZ5BU+nRYQULx0ZKG9Ay1y3ooSannOJVQLDg7rhDA=; h=From:To:Cc:Subject:Date:From; b=JKWAVe0RmqwyokpDoK7CoAnB8oUaSQMWGe5badQh37eHZVXqKfgYvOLsy+Ei7cWPK UNVASJfQxu3zS9yR+uoIhuRPUUVnMGq4F2FX8UOt78ioVkglSZgXcDwKA6IV/848tP 6SjSIcfXibW8ZiNpyTkRSxXXz5qNhkpuq+ntBQp3Q+24TMrrj1HT4Fu1hKXmnVvP+x qvgyw3vIda6KjxFP+hnsGRmzGEpxhnEU/kUClBHDW0N1NNRTAcbGs16tt72p5Vjdmd NXnJzJSouStJQyLPtDCfxLmrPu/pJNZp3QjgZI/yzw0FyE+v9JonN+qXPMAwPpIVN8 y6bJAbNCKD3mA== From: Will Deacon To: linux-kernel@vger.kernel.org Cc: Will Deacon , Max Uvarov , Rob Herring , Ard Biesheuvel , Marc Zyngier , Doug Anderson , Tyler Hicks , Frank Rowand , Arnd Bergmann , Palmer Dabbelt , Greg Kroah-Hartman , Catalin Marinas , kernel-team@android.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Subject: [PATCH v2 0/2] Fix arm64 CONFIG_CMDLINE handling and remove CMDLINE_EXTEND Date: Wed, 3 Mar 2021 13:49:25 +0000 Message-Id: <20210303134927.18975-1-will@kernel.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hi again, This is version two of the series I previously posted here: https://lore.kernel.org/r/20210225125921.13147-1-will@kernel.org The main change since v1 is that, rather than "fix" the FDT code to follow the documented behaviour for CMDLINE_EXTEND, I've opted to remove the thing entirely for arm64 while a less ambiguous and generic replacement is developed, probably based on either [1] or [2]. I've left the first-patch as-is so that it's easier to incorporate whatever ends up replacing CMDLINE_EXTEND in future. Cheers, Will [1] https://patchwork.ozlabs.org/project/linuxppc-dev/cover/cover.1554195798.git.christophe.leroy@c-s.fr/ [2] https://patchwork.ozlabs.org/project/linuxppc-dev/patch/20190319232448.45964-2-danielwa@cisco.com/ --->8 Cc: Max Uvarov Cc: Rob Herring Cc: Ard Biesheuvel Cc: Marc Zyngier Cc: Doug Anderson Cc: Tyler Hicks Cc: Frank Rowand Cc: Arnd Bergmann Cc: Palmer Dabbelt Cc: Greg Kroah-Hartman Cc: Catalin Marinas Cc: Cc: Cc: Will Deacon (2): arm64: cpufeatures: Fix handling of CONFIG_CMDLINE for idreg overrides arm64: Drop support for CMDLINE_EXTEND arch/arm64/Kconfig | 6 ----- arch/arm64/kernel/idreg-override.c | 43 ++++++++++++++++-------------- 2 files changed, 23 insertions(+), 26 deletions(-)