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[209.132.180.67]) by mx.google.com with ESMTP id s192si9580939pgc.68.2019.07.22.08.40.07; Mon, 22 Jul 2019 08:40:23 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@sirena.org.uk header.s=20170815-heliosphere header.b=C60VjZZM; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729511AbfGVMis (ORCPT + 99 others); Mon, 22 Jul 2019 08:38:48 -0400 Received: from heliosphere.sirena.org.uk ([172.104.155.198]:58188 "EHLO heliosphere.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728477AbfGVMis (ORCPT ); Mon, 22 Jul 2019 08:38:48 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sirena.org.uk; s=20170815-heliosphere; h=In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=GEkGLo6H5lqpjsiZnQeV/ZHgCI1W32utWFYTDn5ZlaQ=; b=C60VjZZMx6KiWdig5LVdRmLCQ K+MLoHwjJlPDly/XGC9L6Z47exQzuYkpc69yEHyy8VH3GuQsdfoFQYNYjj1sgHwUcH05Wytttzin2 yT5RYa8aETC79fAv52QXA16tbZgC6WnkXYuR8R4O5sALGF1MMDugT1VOBRXPJNUjm+guU=; Received: from cpc102320-sgyl38-2-0-cust46.18-2.cable.virginm.net ([82.37.168.47] helo=ypsilon.sirena.org.uk) by heliosphere.sirena.org.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1hpXaV-0007k1-SQ; Mon, 22 Jul 2019 12:38:43 +0000 Received: by ypsilon.sirena.org.uk (Postfix, from userid 1000) id 5FE33274046A; Mon, 22 Jul 2019 13:38:43 +0100 (BST) Date: Mon, 22 Jul 2019 13:38:43 +0100 From: Mark Brown To: Arnd Bergmann Cc: Andrew Morton , Qian Cai , Andrey Konovalov , Andrey Ryabinin , Vasily Gorbik , linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com Subject: Re: [PATCH] [v2] kasan: remove clang version check for KASAN_STACK Message-ID: <20190722123843.GD4756@sirena.org.uk> References: <20190719200347.2596375-1-arnd@arndb.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="uxuisgdDHaNETlh8" Content-Disposition: inline In-Reply-To: <20190719200347.2596375-1-arnd@arndb.de> X-Cookie: No skis take rocks like rental skis! User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --uxuisgdDHaNETlh8 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Fri, Jul 19, 2019 at 10:03:31PM +0200, Arnd Bergmann wrote: > asan-stack mode still uses dangerously large kernel stacks of > tens of kilobytes in some drivers, and it does not seem that anyone > is working on the clang bug. 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