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 A7185C433E0 for ; Wed, 8 Jul 2020 14:56:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7E81520720 for ; Wed, 8 Jul 2020 14:56:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="siEl9fgU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729923AbgGHO4m (ORCPT ); Wed, 8 Jul 2020 10:56:42 -0400 Received: from casper.infradead.org ([90.155.50.34]:36540 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729206AbgGHO4m (ORCPT ); Wed, 8 Jul 2020 10:56:42 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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; bh=Eu/kYmb813u1ZgBXd0rdHnEokAFSGGHrxUlCHt8bJuY=; b=siEl9fgU4Uy0PenzYaRquRLGvb b1ZJK0+WjPwBiQRFzcuY61wsylkiuNmCkSoJAjH1N8epNxmvTh0l0+iQohckauW6bZEIAvjJqv0WT iTE7ljss9oefyA9LMa9JGNWjxdhPxQNXa+ka2XO+tKj2eFGPg5FkxGyoREbfxjxU3LtktWwmu7aw+ j3c+NvZBzG4JYMbWqfzWZREYYvWMf5SZmNbdwIil3mv1t2W0XLhBjQkQ74r8PnF+8Sr371ZYwBnBh Rf4+KH+jLtzVmksfFrpBcni1mr2IN6rAjYC/+ggiRIkGPmDbXUrqwiVUMdXOBWZDNAchr7vxX5z+B SB6sIlUg==; Received: from hch by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jtBUn-0000ln-DI; Wed, 08 Jul 2020 14:56:26 +0000 Date: Wed, 8 Jul 2020 15:56:25 +0100 From: Christoph Hellwig To: Andreas Schwab Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] riscv: use 16KB kernel stack on 64-bit Message-ID: <20200708145625.GA438@infradead.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 06, 2020 at 02:32:26PM +0200, Andreas Schwab wrote: > With the current 8KB stack size there are frequent overflows in a 64-bit > configuration. Adding irqstack support would be the better fix..