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[2620:137:e000::1:20]) by mx.google.com with ESMTP id dz13-20020a0564021d4d00b0042b38edaa53si10666496edb.293.2022.05.23.19.00.42; Mon, 23 May 2022 19:01:08 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=fail header.i=@igalia.com header.s=20170329 header.b=dj1oVTMO; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230020AbiEWV4P (ORCPT + 99 others); Mon, 23 May 2022 17:56:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48028 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230489AbiEWV4I (ORCPT ); Mon, 23 May 2022 17:56:08 -0400 Received: from fanzine2.igalia.com (fanzine.igalia.com [178.60.130.6]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3330D5FEA; Mon, 23 May 2022 14:56:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:From: References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=l55w7vFL87VUFoT4THPFWPLSv0S+CeTc0rHopwPFTiU=; b=dj1oVTMOGNAspE6ON1Wo31A+97 X7itrFGIFJj2i8VJFQYyXAf+r0oEiZuPDDzLCt//bbyRURSbgy4AlMNPawOBKwyoV46Ssr/SXKsx9 NaWwWRnwbx+1/Oiz9ysLVV+ZkSdP6aYA/m0qSZOyho9Cxddj4GPb5Y/1ZDM4FCimpVg8QGCYeddFY EIZbtrTpEJyPyPWs0fCZhvvxkkb4clGpQELMjKq6CezFzvqL2/uSS+xmlJHtFhMePgsJOjzykFit7 B0EhE2Qmu23d8YFX34ORhtIBEwHAO96t9Hm0W0qnVsFKa4B8xZWCLYLBEtXsh0rPvVkjW3H72md/Z NOrukhWg==; Received: from 200-161-159-120.dsl.telesp.net.br ([200.161.159.120] helo=[192.168.1.60]) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_128_GCM:128) (Exim) id 1ntG1y-00Gn8d-Al; Mon, 23 May 2022 23:56:02 +0200 Message-ID: <56a8553d-92fe-875b-ad2a-f0354a496599@igalia.com> Date: Mon, 23 May 2022 18:55:43 -0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.0 Subject: Re: [PATCH 12/30] parisc: Replace regular spinlock with spin_trylock on panic path Content-Language: en-US To: Helge Deller Cc: linux-kernel@vger.kernel.org, linux-parisc@vger.kernel.org References: <20220427224924.592546-1-gpiccoli@igalia.com> <20220427224924.592546-13-gpiccoli@igalia.com> <6a7c924a-54a9-c5ea-8a9d-3ea92987b436@gmx.de> <0dda86c0-3a54-8c70-d1e7-18bbb4d41bab@igalia.com> <43de5653-7587-3e8e-274c-b2729649d0fd@gmx.de> From: "Guilherme G. Piccoli" In-Reply-To: <43de5653-7587-3e8e-274c-b2729649d0fd@gmx.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-5.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 23/05/2022 18:31, Helge Deller wrote: > Hello Guilherme, > > On 5/23/22 22:40, Guilherme G. Piccoli wrote: >> On 28/04/2022 13:55, Helge Deller wrote: >>> [...] >>> You may add: >>> Acked-by: Helge Deller # parisc >> >> Hi Helge, do you think would be possible to still pick this one for >> v5.19 or do you prefer to hold for the next release? > > Actually, I'd prefer if you push this patch together with the whole > series upstream at once. The patch itself makes not much sense without > your series... > >> I'm working on V2, so if it's merged for 5.19 I won't send it again. > > Helge Sure Helge, I guess I can do that - will resubmit for V2. But notice the patch is self-contained, as it fixes a current issue in the code - the risk for a lockup due to spinlock taking on atomic context. It doesn't require the panic refactor to be merged in order to achieve its goal... I agree that such issue is rare to trigger though, so definitely no hurry is needed =) Cheers, Guilherme