From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@kernel.org>
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=-10.3 required=3.0 tests=BAYES_00,
	HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,
	SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 EBFCFC43333
	for <linux-kernel@archiver.kernel.org>; Wed, 17 Mar 2021 14:38:51 +0000 (UTC)
Received: from vger.kernel.org (vger.kernel.org [23.128.96.18])
	by mail.kernel.org (Postfix) with ESMTP id 58B3064F75
	for <linux-kernel@archiver.kernel.org>; Wed, 17 Mar 2021 14:38:51 +0000 (UTC)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S231984AbhCQOiY (ORCPT <rfc822;linux-kernel@archiver.kernel.org>);
        Wed, 17 Mar 2021 10:38:24 -0400
Received: from mail.kernel.org ([198.145.29.99]:55034 "EHLO mail.kernel.org"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S230516AbhCQOiE (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
        Wed, 17 Mar 2021 10:38:04 -0400
Received: by mail.kernel.org (Postfix) with ESMTPSA id 7956164F40;
        Wed, 17 Mar 2021 14:38:00 +0000 (UTC)
Date:   Wed, 17 Mar 2021 14:37:57 +0000
From:   Catalin Marinas <catalin.marinas@arm.com>
To:     Arnd Bergmann <arnd@kernel.org>
Cc:     Will Deacon <will@kernel.org>,
        Nathan Chancellor <nathan@kernel.org>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Kees Cook <keescook@chromium.org>,
        Mark Brown <broonie@kernel.org>,
        Vincenzo Frascino <vincenzo.frascino@arm.com>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Kristina Martsenko <kristina.martsenko@arm.com>,
        Ionela Voinescu <ionela.voinescu@arm.com>,
        Mark Rutland <mark.rutland@arm.com>,
        Andrew Scull <ascull@google.com>,
        David Brazdil <dbrazdil@google.com>,
        Marc Zyngier <maz@kernel.org>,
        Ard Biesheuvel <ardb@kernel.org>,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        clang-built-linux@googlegroups.com
Subject: Re: [PATCH] [RFC] arm64: enable HAVE_LD_DEAD_CODE_DATA_ELIMINATION
Message-ID: <20210317143757.GD12269@arm.com>
References: <20210225112122.2198845-1-arnd@kernel.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20210225112122.2198845-1-arnd@kernel.org>
User-Agent: Mutt/1.10.1 (2018-07-13)
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Thu, Feb 25, 2021 at 12:20:56PM +0100, Arnd Bergmann wrote:
> diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
> index bad2b9eaab22..926cdb597a45 100644
> --- a/arch/arm64/kernel/vmlinux.lds.S
> +++ b/arch/arm64/kernel/vmlinux.lds.S
> @@ -217,7 +217,7 @@ SECTIONS
>  		INIT_CALLS
>  		CON_INITCALL
>  		INIT_RAM_FS
> -		*(.init.altinstructions .init.bss .init.bss.*)	/* from the EFI stub */
> +		*(.init.altinstructions .init.data.* .init.bss .init.bss.*)	/* from the EFI stub */

INIT_DATA already covers .init.data and .init.data.*, so I don't think
we need this change.

Also, mainline doesn't have .init.bss.*, do you know where this came
from? I can't find it in -next either.

-- 
Catalin