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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 41642C77B73 for ; Sun, 30 Apr 2023 09:21:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229566AbjD3JU6 (ORCPT ); Sun, 30 Apr 2023 05:20:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51590 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229452AbjD3JU5 (ORCPT ); Sun, 30 Apr 2023 05:20:57 -0400 Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E4C641BD5 for ; Sun, 30 Apr 2023 02:20:55 -0700 (PDT) Received: from compute2.internal (compute2.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id 926C35C0070; Sun, 30 Apr 2023 05:20:53 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute2.internal (MEProxy); Sun, 30 Apr 2023 05:20:53 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:content-type:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:sender:subject :subject:to:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm3; t=1682846453; x=1682932853; bh=tkqfM5fYrgEdE qx5ghb2+h8BvYi4qIDT51ZPdBEolUE=; b=kMZFWWgYdVPtKi6m3dqrObf1sBVBQ uQFEt8rPwMhqcVl10xDySUhKE3ahjRiaZldcqPvdr/Hx50HdUg91ECo4BWiVyKkz awNChsKOaci17dCJerDRmd6YwFO6ZswNpmN/j7gB+XgXB6DrgzP/7QB69z1aGDGm T6Z9aHQAp1TQgpp75MWCS6PKcLPWES0AOHbaWkcQ7S0L3xElI4jonn0R+B3WvhHO TUJ6poD5XeXyJRly7vHbzZvzuK+kovK12nI3VF/ORKcAYhRaHbMjEEz3rqqSnXHG 68ePivCqB8cFiWPdjcYEvOXvA+kxanRyn8yP1Opwu35lrkbcjoUtzxAEQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvhedrfedvvddgudehucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvfevufgjkfhfgggtsehttdertddttddvnecuhfhrohhmpefhihhnnhcu vfhhrghinhcuoehfthhhrghinheslhhinhhugidqmheikehkrdhorhhgqeenucggtffrrg htthgvrhhnpeelueehleehkefgueevtdevteejkefhffekfeffffdtgfejveekgeefvdeu heeuleenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpe hfthhhrghinheslhhinhhugidqmheikehkrdhorhhg X-ME-Proxy: Feedback-ID: i58a146ae:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Sun, 30 Apr 2023 05:20:50 -0400 (EDT) Date: Sun, 30 Apr 2023 19:24:40 +1000 (AEST) From: Finn Thain To: Michael Schmitz cc: linux-m68k@vger.kernel.org, geert@linux-m68k.org, Andreas Schwab , Stan Johnson Subject: Re: [PATCH RFC v1] m68k: signal.c: use signal frame gap to avoid stack corruption In-Reply-To: <2458d3f7-4ad9-d4eb-4bf2-034ce8e3a94c@gmail.com> Message-ID: References: <20230429080410.8993-1-schmitzmic@gmail.com> <10ace434-8b76-bd38-5570-9befc9eb7b98@gmail.com> <0827b987-134d-b463-c3c9-e21905f94e09@linux-m68k.org> <2458d3f7-4ad9-d4eb-4bf2-034ce8e3a94c@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Precedence: bulk List-ID: X-Mailing-List: linux-m68k@vger.kernel.org On Sun, 30 Apr 2023, Michael Schmitz wrote: > > A fixed offset, or skipping signal delivery entirely is much the easiest > solution for now. > I agree -- if address errors don't produce an unreliable USP then skipping signal delivery on bus errors seems like the best solution (given that RAM is so limited).