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=-0.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 D905BC3A5A8 for ; Wed, 4 Sep 2019 16:42:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B5B922053B for ; Wed, 4 Sep 2019 16:42:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731731AbfIDQmO (ORCPT ); Wed, 4 Sep 2019 12:42:14 -0400 Received: from out03.mta.xmission.com ([166.70.13.233]:38117 "EHLO out03.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729471AbfIDQmO (ORCPT ); Wed, 4 Sep 2019 12:42:14 -0400 Received: from in02.mta.xmission.com ([166.70.13.52]) by out03.mta.xmission.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.87) (envelope-from ) id 1i5YMG-0003Uf-5q; Wed, 04 Sep 2019 10:42:12 -0600 Received: from ip68-227-160-95.om.om.cox.net ([68.227.160.95] helo=x220.xmission.com) by in02.mta.xmission.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.87) (envelope-from ) id 1i5YMF-0000Z5-KX; Wed, 04 Sep 2019 10:42:12 -0600 From: ebiederm@xmission.com (Eric W. Biederman) To: Sasha Levin Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Vineet Gupta , linux-snps-arc@lists.infradead.org References: <20190903162519.7136-1-sashal@kernel.org> <20190903162519.7136-111-sashal@kernel.org> <87ef0xqq9f.fsf@x220.int.ebiederm.org> <20190903194526.GH5281@sasha-vm> Date: Wed, 04 Sep 2019 11:41:55 -0500 In-Reply-To: <20190903194526.GH5281@sasha-vm> (Sasha Levin's message of "Tue, 3 Sep 2019 15:45:26 -0400") Message-ID: <87y2z4nhd8.fsf@x220.int.ebiederm.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-XM-SPF: eid=1i5YMF-0000Z5-KX;;;mid=<87y2z4nhd8.fsf@x220.int.ebiederm.org>;;;hst=in02.mta.xmission.com;;;ip=68.227.160.95;;;frm=ebiederm@xmission.com;;;spf=neutral X-XM-AID: U2FsdGVkX19zYZU/xsW7us0tfO+uH4u3qzYGa3Y2+bo= X-SA-Exim-Connect-IP: 68.227.160.95 X-SA-Exim-Mail-From: ebiederm@xmission.com Subject: Re: [PATCH AUTOSEL 4.19 111/167] signal/arc: Use force_sig_fault where appropriate X-SA-Exim-Version: 4.2.1 (built Thu, 05 May 2016 13:38:54 -0600) X-SA-Exim-Scanned: Yes (on in02.mta.xmission.com) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Sasha Levin writes: > On Tue, Sep 03, 2019 at 11:49:16AM -0500, Eric W. Biederman wrote: >>Sasha Levin writes: >> >>> From: "Eric W. Biederman" >>> >>> [ Upstream commit 15773ae938d8d93d982461990bebad6e1d7a1830 ] >> >>To the best of my knowledge this is just a clean up, no changes in >>behavior are present. >> >>The only reason I can see to backport this is so that later fixes could >>be applied cleanly. >> >>So while I have no objections to this patch being backported I don't see >>why you would want to either. > > This patch along with the next one came in as a dependency for > a8c715b4dd73c ("ARC: mm: SIGSEGV userspace trying to access kernel > virtual memory"). Thanks for providing the rest of the context. That looks like a perfect reason for backporting this patch. Eric