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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 8F101C49ED6 for ; Wed, 11 Sep 2019 09:43:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 625D8206CD for ; Wed, 11 Sep 2019 09:43:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1568195024; bh=vjeeUTBmC8jj2qIZWanHOOc7lNc0TdW2gTy2YWtIGtE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=0WFmu76xLP4me6EuZGSSyjzhPo24rsjPm7MD2IRoKgEBDxDnDQjJa/p3+U6///vDw w3l7YNQAR4a2dPPv6ZOV7pbV2CkLMgS9GJ6T2DeCWvkuiHncuN0jTQV0dtBy18ZtAI yReGFsvbIsy2+o+RdczklKjVkLAQqLy7A3Hc3ovU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726857AbfIKJnn (ORCPT ); Wed, 11 Sep 2019 05:43:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:56238 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726724AbfIKJnn (ORCPT ); Wed, 11 Sep 2019 05:43:43 -0400 Received: from localhost (unknown [148.69.85.38]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4A95E2067B; Wed, 11 Sep 2019 09:43:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1568195022; bh=vjeeUTBmC8jj2qIZWanHOOc7lNc0TdW2gTy2YWtIGtE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=rFOe35iSNJYS5pD+D3hx27jVWPoTxaROQyOFzrBYVHGGRnRhl+VmD6FZCjMEPnPCe 1OTe4IiDEtesZXO/ps95Msd+5YPfKbfT98a31DtQOQTa4KIgj9JGVoSr9/DmaFkymP kMlChTHK7JadM7q/s5yooMWqQfUu+XUR6eZWEzwQ= Date: Wed, 11 Sep 2019 05:43:39 -0400 From: Sasha Levin To: gregkh@linuxfoundation.org Cc: christophe.leroy@c-s.fr, Chris.Packham@alliedtelesis.co.nz, mpe@ellerman.id.au, stable@vger.kernel.org Subject: Re: FAILED: patch "[PATCH] powerpc/64e: Drop stale call to smp_processor_id() which" failed to apply to 4.19-stable tree Message-ID: <20190911094339.GL2012@sasha-vm> References: <156811481474161@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <156811481474161@kroah.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Tue, Sep 10, 2019 at 12:26:54PM +0100, gregkh@linuxfoundation.org wrote: > >The patch below does not apply to the 4.19-stable tree. >If someone wants it applied there, or to any other stable or longterm >tree, then please email the backport, including the original git commit >id to . > >thanks, > >greg k-h > >------------------ original commit in Linus's tree ------------------ > >>From b9ee5e04fd77898208c51b1395fa0b5e8536f9b6 Mon Sep 17 00:00:00 2001 >From: Christophe Leroy >Date: Thu, 8 Aug 2019 12:48:26 +0000 >Subject: [PATCH] powerpc/64e: Drop stale call to smp_processor_id() which > hangs SMP startup > >Commit ebb9d30a6a74 ("powerpc/mm: any thread in one core can be the >first to setup TLB1") removed the need to know the cpu_id in >early_init_this_mmu(), but the call to smp_processor_id() which was >marked __maybe_used remained. > >Since commit ed1cd6deb013 ("powerpc: Activate CONFIG_THREAD_INFO_IN_TASK") >thread_info cannot be reached before MMU is properly set up. > >Drop this stale call to smp_processor_id() which makes SMP hang when >CONFIG_PREEMPT is set. > >Fixes: ebb9d30a6a74 ("powerpc/mm: any thread in one core can be the first to setup TLB1") >Fixes: ed1cd6deb013 ("powerpc: Activate CONFIG_THREAD_INFO_IN_TASK") Hi Greg, I *think* we should have our scripts parse multiple "Fixes:" tags as && rather than ||. -- Thanks, Sasha