Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp626254ybt; Wed, 8 Jul 2020 07:58:21 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyeex7rgxSYKVSYl6If1S8Lv26GhaWU01HgmaY8bGXZRwFkUhH5MQemSsmYY9nGMM+fyKSu X-Received: by 2002:a17:906:a2d7:: with SMTP id by23mr50672231ejb.226.1594220301742; Wed, 08 Jul 2020 07:58:21 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1594220301; cv=none; d=google.com; s=arc-20160816; b=W/qNVK85J1kPO2misoE/rGH9Q6n5tl6InvS+cHnNprPZiCFQD3z6TnlV+o92JDqAcc NysteOyxlz67MvtpTAJOConaXyXgOBS8i0SK/Loxr1rxImh5jFR2YjwwyFzuLKSTLfgU TJMlmk8pzpgzl6g7KVNcErvJMmtDWT7f2LBZB8BcbUPInAxTXURTF86/lipJAnL7YaTC WP8f2YKIkpCAfm1chIliDj1JEcCn1NyqgCQz3kDvW9BacobMq3UEQVFFjRWEFFGpl8r1 7TmLQr4QtJQMxuH0ujdtclc0uYBYB0f0x6ROHD4lTK1KNs5fWs0n6DFM4rsiI7a+RGxq 9uow== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :dkim-signature; bh=Eu/kYmb813u1ZgBXd0rdHnEokAFSGGHrxUlCHt8bJuY=; b=v6ubsOJx5QHUbLxtZAzOXFYl8/bUNBKZBECposMqO9hi4Fr35WEwKfQcKqLO4GWMWp pJxhjsdCataO2tqU5bODHvsN3olNQC8jnfdSxEzAdS0pkXW//hQfdfVyShu8fOQop5AU ILPJ3vcFWFXkz6oINVoGQxVI+mTEzeWoHPNCsxr7pYx0kwkiLOjK1Zq+kDt5S0ac0bBC rnUmwS3OwGGalc7WUZGI8g+pLlixP3JEOeD/8D9WLLD6B4BMXkne4PD5vJ2+9VM0CG6O nIELJvqZhwpqBtsjVyLJJ8noVlZxpvFgcc+V+2C7qECnznW+v9bRNeO2O0w3Mdf2FQzb NIBQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=casper.20170209 header.b=siEl9fgU; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id z8si115583edp.515.2020.07.08.07.57.58; Wed, 08 Jul 2020 07:58:21 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=casper.20170209 header.b=siEl9fgU; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729889AbgGHO4m (ORCPT + 99 others); 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..