From patchwork Thu Apr 22 04:48:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Chang S. Bae" X-Patchwork-Id: 43069 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 8944F39BD00B; Thu, 22 Apr 2021 04:54:22 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 8944F39BD00B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1619067262; bh=y7vBL3q2IaYMLfPMwWpZkbW8/7hWjWQa9p30aOFK+sY=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=cwECapKOTmX58IC380ogZ1DnsLfFHqRyFNLHb0Knbk9RfjcF4j0wi+cQjR2qeenFf IJjvUeqeqp7phwpZTagAjQ1HGvqAcmURkQzq/7oo3JVwTNUHkfYP89lJQDMCiRykHS 7+zpcZgF0OfvgESGBRdNW9W66EydS/b5cMwW7pCI= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by sourceware.org (Postfix) with ESMTPS id DA11C3835407 for ; Thu, 22 Apr 2021 04:54:17 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org DA11C3835407 IronPort-SDR: ZkFBOpK2nocKOhIYKZchwG7ZpbOoL4drkYAfJcaRhd/t4BD00m0ICRAQSoJwQ8L0p0FtGlMp1h gvR7e4TM82gw== X-IronPort-AV: E=McAfee;i="6200,9189,9961"; a="175312066" X-IronPort-AV: E=Sophos;i="5.82,241,1613462400"; d="scan'208";a="175312066" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Apr 2021 21:54:15 -0700 IronPort-SDR: P0DlGVpZ8pz/xSNAlJpFfT4ZAUa7ab7o7dTD92FVDrCEGFToaHNKnhJmuFPcSgn/bLMSPw17lP Z6t4H08TZgLQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,241,1613462400"; d="scan'208";a="524515402" Received: from chang-linux-3.sc.intel.com ([172.25.66.175]) by fmsmga001.fm.intel.com with ESMTP; 21 Apr 2021 21:54:15 -0700 To: bp@suse.de, tglx@linutronix.de, mingo@kernel.org, luto@kernel.org, x86@kernel.org Subject: [PATCH v8 1/6] uapi: Define the aux vector AT_MINSIGSTKSZ Date: Wed, 21 Apr 2021 21:48:51 -0700 Message-Id: <20210422044856.27250-2-chang.seok.bae@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210422044856.27250-1-chang.seok.bae@intel.com> References: <20210422044856.27250-1-chang.seok.bae@intel.com> X-Spam-Status: No, score=-11.0 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, SPF_HELO_PASS, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: "Chang S. Bae via Libc-alpha" From: "Chang S. Bae" Reply-To: "Chang S. Bae" Cc: linux-arch@vger.kernel.org, len.brown@intel.com, tony.luck@intel.com, libc-alpha@sourceware.org, ravi.v.shankar@intel.com, chang.seok.bae@intel.com, jannh@google.com, linux-kernel@vger.kernel.org, dave.hansen@intel.com, linux-api@vger.kernel.org, Dave.Martin@arm.com, linux-arm-kernel@lists.infradead.org Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" Define the AT_MINSIGSTKSZ in generic Linux. It is already used as generic ABI in glibc's generic elf.h, and this define will prevent future namespace conflicts. In particular, x86 is also using this generic definition. Signed-off-by: Chang S. Bae Reviewed-by: Len Brown Cc: Carlos O'Donell Cc: Dave Martin Cc: libc-alpha@sourceware.org Cc: linux-arch@vger.kernel.org Cc: linux-api@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- Change from v6: * Revised the comment. (Borislav Petkov) Change from v5: * Reverted the arm64 change. (Dave Martin and Will Deacon) * Massaged the changelog. Change from v4: * Added as a new patch (Carlos O'Donell) --- include/uapi/linux/auxvec.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/uapi/linux/auxvec.h b/include/uapi/linux/auxvec.h index abe5f2b6581b..c7e502bf5a6f 100644 --- a/include/uapi/linux/auxvec.h +++ b/include/uapi/linux/auxvec.h @@ -33,5 +33,8 @@ #define AT_EXECFN 31 /* filename of program */ +#ifndef AT_MINSIGSTKSZ +#define AT_MINSIGSTKSZ 51 /* minimal stack size for signal delivery */ +#endif #endif /* _UAPI_LINUX_AUXVEC_H */