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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 00DF4C2BB85 for ; Thu, 9 Apr 2020 21:08:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C68BB2082D for ; Thu, 9 Apr 2020 21:08:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="h1nvXDAS" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727376AbgDIVIu (ORCPT ); Thu, 9 Apr 2020 17:08:50 -0400 Received: from mail-qt1-f193.google.com ([209.85.160.193]:44963 "EHLO mail-qt1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727242AbgDIVIu (ORCPT ); Thu, 9 Apr 2020 17:08:50 -0400 Received: by mail-qt1-f193.google.com with SMTP id w24so1160214qts.11; Thu, 09 Apr 2020 14:08:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:date:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=JAFZ7dRQi+ZOH9Y8t0oetajrdlB2KVsPn/jdlE5Lqu8=; b=h1nvXDASszQ1WwOt9WNXBoOojysLq8SkPN5wJWJ4DGeIkbwZ93UTMZbWZ2GPgBQHdX ijBQhLAtvQx8D5+z8xJmCwupRrOeVnzKUDFcYnW9O0I5xuGAIjTju2d1kMiGp6wH9NeF hV/unsWb8/7q44lH7/dJMTsuKfhY6AClitGR/GrnxeeqnshYYT845hWAfihecRYSNhtd /SMjcBIFUNc1RBOaMSHNvj6EMgV2pt4nPcLMdE7psHhV1zxkWf0vNBZA6Buu5BoSu+6z XDpeznLmHXTpjHPpvJbmSnu7zoIsMxKTE/m9gGjvQp8GJvDG3QgqbWDSQYnFCdYBH2Jn dm0A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:date:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to; bh=JAFZ7dRQi+ZOH9Y8t0oetajrdlB2KVsPn/jdlE5Lqu8=; b=I+Uho8fXe0X8DUWi9dyDWh1Ns6zLQklCkSaNOVHryC9dk3ik/xiDQy/9tBbYuxCQLF Wb++5Drk71PhhQJctFL2Gds6PzUxCtPmx2NJKn1Z0RLiXYCOHGhH/GpE5MZXAgGFxtu0 lzcKKpecEGsHOxd+m3xQDjycwx1cdA3vI5u8J/DQDb0+Wx30d7GdtoB/p3AfgXlkATcN Q6PcGOR9vQ4XrpWcGWLBAOteBTM2QTuXD3oqbFVI9b7A+vltDSs4H7O/ThlviOSdXaNV gjQQkaCPXzqcXK6Y2ebxv+vwuXHJGNFdysrrqIvjxTRnKv4xGtxeDQLTYJC5As2tcgpj 7erQ== X-Gm-Message-State: AGi0PuYDDJKO2L199p6TPYUIy+siaq+WJDLqY/E4IUEN48tkaLEa6fjA RJr781IcI3BESYEs8cJqd3g= X-Google-Smtp-Source: APiQypKUI8F7x+uXX0jMQDWk+uGhTnngIA1mZuj8V8As/1y8qQui6+b8jgX+ZoSRuGYgYDl1OTw0pg== X-Received: by 2002:ac8:4a98:: with SMTP id l24mr1407893qtq.223.1586466529986; Thu, 09 Apr 2020 14:08:49 -0700 (PDT) Received: from rani.riverdale.lan ([2001:470:1f07:5f3::b55f]) by smtp.gmail.com with ESMTPSA id h11sm41075qtr.38.2020.04.09.14.08.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Apr 2020 14:08:49 -0700 (PDT) From: Arvind Sankar X-Google-Original-From: Arvind Sankar Date: Thu, 9 Apr 2020 17:08:47 -0400 To: Brian Gerst Cc: Ard Biesheuvel , linux-efi@vger.kernel.org, Ingo Molnar , Thomas Gleixner , Linux Kernel Mailing List , Arnd Bergmann , Arvind Sankar , Borislav Petkov , Colin Ian King , Gary Lin , Jiri Slaby , Sergey Shatunov , Takashi Iwai Subject: Re: [PATCH 3/9] efi/x86: Move efi stub globals from .bss to .data Message-ID: <20200409210847.GA1312580@rani.riverdale.lan> References: <20200409130434.6736-1-ardb@kernel.org> <20200409130434.6736-4-ardb@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 09, 2020 at 04:53:07PM -0400, Brian Gerst wrote: > > Can we use the -fno-zero-initialized-in-bss compiler flag instead of > > explicitly marking global variables? > > Scratch that. Apparently it only works when a variable is explicitly > initialized to zero. > > -- > Brian Gerst Right, there doesn't seem to be a compiler option to turn off the use of .bss altogether.