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=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_NEOMUTT autolearn=ham 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 23C48ECDFB0 for ; Fri, 13 Jul 2018 18:38:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C588C2084E for ; Fri, 13 Jul 2018 18:38:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C588C2084E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731428AbeGMSxr (ORCPT ); Fri, 13 Jul 2018 14:53:47 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:38666 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729982AbeGMSxq (ORCPT ); Fri, 13 Jul 2018 14:53:46 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 8B88972632; Fri, 13 Jul 2018 18:37:58 +0000 (UTC) Received: from treble (ovpn-122-49.rdu2.redhat.com [10.10.122.49]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 1BE971C72F; Fri, 13 Jul 2018 18:37:58 +0000 (UTC) Date: Fri, 13 Jul 2018 13:37:56 -0500 From: Josh Poimboeuf To: Kamalesh Babulal Cc: Miroslav Benes , Jiri Kosina , live-patching@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] livepatch: Remove reliable stacktrace check in klp_try_switch_task() Message-ID: <20180713183756.gfddtn3gbwkwpqbj@treble> References: <1531382706-9732-1-git-send-email-kamalesh@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1531382706-9732-1-git-send-email-kamalesh@linux.vnet.ibm.com> User-Agent: NeoMutt/20180323 X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Fri, 13 Jul 2018 18:37:58 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Fri, 13 Jul 2018 18:37:58 +0000 (UTC) for IP:'10.11.54.5' DOMAIN:'int-mx05.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'jpoimboe@redhat.com' RCPT:'' Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > We bail out during patch registration for architectures, those don't > support reliable stack trace. Does anybody know if that change was intentional? I thought the plan was to allow non-consistency-model arches to still use livepatch, and that they'd just have to 'force' patches to completion instead. That seems a little more forgiving. -- Josh