From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx4/cIak7Nzh7JAYc7uqOwJjgB1m05KsVRRWgAiqWxO0Ps7gXMG1ITGh3YepO9T68/BnTWW+g ARC-Seal: i=1; a=rsa-sha256; t=1523872069; cv=none; d=google.com; s=arc-20160816; b=FrQ69n240jQ1zbmYfBPukVqgw401EmLQWEAFFSSREc+Ki5R1wgV8NaKu25VEESJyrH 258UfpuGpcAH9pJ7AL4CqSWgD7IF68b1sly/PnFUdB3ZPhF0JmFcmFZsVK7zTWjTbSAI HYKPpBT4qkzQ0KqjD2wmLJ3PUmY9Y4L+qqlidaqevpIxuHFiNA+E61ZGoXjEOiKzvp1d vxLJ8+htBdkkf88+ei4MbEFWJLoiae2AlFZjIKALfPSBxvMR2F631F/lj2Jucuw036xV Ahvfwx3qNTl5curA/ZtPpppLsK50jzTWKrMicX/MOodBLY3HFm1/yAHIJyLLKWZN7eAS 5U/A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:content-language:in-reply-to:mime-version :user-agent:date:message-id:from:references:cc:to:subject :delivered-to:delivered-to:list-id:list-subscribe:list-unsubscribe :list-help:list-post:precedence:mailing-list :arc-authentication-results; bh=qVIt6qIA/r6WPJvrrHjUryd1fwA9aLYINWbSr3L0Wag=; b=l5df2SuhUn4PQupLW1+/hShEiOFi9Fo5MCoi0J8LNz7eho2mnH52lW5tI3tptSNHbJ QhzU1Xxs5khO2jyK/cAUMG5/IyN2puavyFGb5QqAuIozeCJD+7ZFEWZ4kJVUlaKbC4Fr 0OPs/7Ga2XE75ouAfh4J87ucNTbuiMRH2ZiTAgS/cj16LWeeAmXXUwbf+xLQHysS7m4v CUjF7pjvJUvwtDjvlb/kENUwklp9XIlJagk3z3Eu0Q7WKGGpFj4V/P45ZjUFMeN6n1MK F6vILucPmEiSWe2eIhkCNWvUGwWpHkmeOQeXyMcxQmyEOqiIAl7CFaCjGLWfQN0vv/nL b1bw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of kernel-hardening-return-13009-gregkh=linuxfoundation.org@lists.openwall.com designates 195.42.179.200 as permitted sender) smtp.mailfrom=kernel-hardening-return-13009-gregkh=linuxfoundation.org@lists.openwall.com Authentication-Results: mx.google.com; spf=pass (google.com: domain of kernel-hardening-return-13009-gregkh=linuxfoundation.org@lists.openwall.com designates 195.42.179.200 as permitted sender) smtp.mailfrom=kernel-hardening-return-13009-gregkh=linuxfoundation.org@lists.openwall.com Mailing-List: contact kernel-hardening-help@lists.openwall.com; run by ezmlm List-Post: List-Help: List-Unsubscribe: List-Subscribe: Subject: Re: [PATCH] x86/xen: Remove use of VLAs To: Laura Abbott , Boris Ostrovsky Cc: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, kernel-hardening@lists.openwall.com References: <20180413221146.28476-1-labbott@redhat.com> From: Juergen Gross Message-ID: <49e13c53-718f-879c-fc0d-b0f5dd7ea23d@suse.com> Date: Mon, 16 Apr 2018 10:11:54 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <20180413221146.28476-1-labbott@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: de-DE Content-Transfer-Encoding: 7bit X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1597670729617678421?= X-GMAIL-MSGID: =?utf-8?q?1597895679725346894?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On 14/04/18 00:11, Laura Abbott wrote: > There's an ongoing effort to remove VLAs[1] from the kernel to eventually > turn on -Wvla. The few VLAs in use have an upper bound based on a size > of 64K. This doesn't produce an excessively large stack so just switch > the upper bound. > > [1] https://lkml.org/lkml/2018/3/7/621 > > Signed-off-by: Laura Abbott Reviewed-by: Juergen Gross Juergen