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X-CSE-ConnectionGUID: XmWnuo3RT2mp0xY5bmRxbg== X-CSE-MsgGUID: n/wRbk2dRe+8ZR8Q7iEn1g== X-IronPort-AV: E=McAfee;i="6700,10204,11331"; a="38724316" X-IronPort-AV: E=Sophos;i="6.13,246,1732608000"; d="scan'208";a="38724316" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jan 2025 10:14:55 -0800 X-CSE-ConnectionGUID: rxdMav3CSUO7HuIkYuGjMg== X-CSE-MsgGUID: UgMmGrasQRy+ucWFRKFaVw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="132675249" Received: from inaky-mobl1.amr.corp.intel.com (HELO [10.125.108.230]) ([10.125.108.230]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jan 2025 10:14:54 -0800 Message-ID: <90be9512-2c27-431a-8387-4f2156aa6cb8@intel.com> Date: Thu, 30 Jan 2025 10:14:56 -0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/2] A couple of build fixes for x86 when using GCC 15 To: Kees Cook , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org Cc: Nathan Chancellor , Ard Biesheuvel , Sam James , Masahiro Yamada , Arnd Bergmann , linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, stable@vger.kernel.org, Kostadin Shishmanov , Jakub Jelinek References: <20250121-x86-use-std-consistently-gcc-15-v1-0-8ab0acf645cb@kernel.org> <202501300804.20D8CC2@keescook> From: Dave Hansen Content-Language: en-US Autocrypt: addr=dave.hansen@intel.com; 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charset=UTF-8 Content-Transfer-Encoding: 8bit On 1/30/25 08:07, Kees Cook wrote: > On Tue, Jan 21, 2025 at 06:11:32PM -0700, Nathan Chancellor wrote: >> GCC 15 changed the default C standard version from gnu17 to gnu23, which >> reveals a few places in the kernel where a C standard version was not >> set, resulting in build failures because bool, true, and false are >> reserved keywords in C23 [1][2]. Update these places to use the same C >> standard version as the rest of the kernel, gnu11. > Hello x86 maintainers! > > I think this would be valuable to get into -rc1 since we're getting very > close to a GCC 15 release. Can someone get this into -tip urgent, > please? If everyone is busy I can take it via the hardening tree, as we > appear to be the ones tripping over it the most currently. 🙂 Thanks for the heads up. It's in here now: > https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/log/?h=x86/urgent