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=-4.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 050B0C4346E for ; Tue, 29 Sep 2020 10:56:12 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A483A207C4 for ; Tue, 29 Sep 2020 10:56:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="JKJTKNzb"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="LyvXpsNW" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A483A207C4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-ID:References:In-Reply-To:Subject:To:From: Date:MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=qcz8l31fuCC0PF6z1DcOhR5RFg6zNlxr6Ymgz18qwDI=; b=JKJTKNzb269IE8u4FtDElLkLA vFr7VxxaFaalbTButJsPK5PzGhhtbbTaxXOZhuUF8AUV1jUqfWFviaovIB6QiihEQhbZxxZvboHpe l6DrQ0+q5JjA7UNoxz5v9OqvBFDAhJbgcVzw2EdCz2Aphi6/zEACtue6paR5/xR3qnw+k4NE123rC ilR19veD1oB1C42KiQK9uYFVth/y1Cx+fC7UL19syF6oX5nQsKB1KUiITUoJZediaTG3k/69j8zAo fLMufq2cgpTUkaUed/Q+hYswkmWmYwMEKH1GnB2ryxLpvdur008q5DYFFH3XR/t3Lknh+cWAjH0kg 9F/fnTQlw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kNDHa-0003hC-N8; Tue, 29 Sep 2020 10:54:54 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kNDHY-0003gN-1F for linux-arm-kernel@lists.infradead.org; Tue, 29 Sep 2020 10:54:52 +0000 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (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 19719207C4; Tue, 29 Sep 2020 10:54:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1601376891; bh=TsXfKdPzMyQ6L5OpU3cZdfk/rowKCpYM+fXLO67j8Ng=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=LyvXpsNWayTtEoONSEtw+dSq2ZKj4+3V+YsP02/1v09h7mfMQeXPQ2cL1JhAZmyxe qeUwG7lbUHSKjGj3F1i7uv6RJOJqFJDoLHuDTe5gaotffANRt3GyWwBH1uM0HeSWfN zMkfXesAzdH+l2YtKphVaCvS+bvTQDwS+niV4F+8= Received: from disco-boy.misterjones.org ([51.254.78.96] helo=www.loen.fr) by disco-boy.misterjones.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1kNDHV-00FlNL-AK; Tue, 29 Sep 2020 11:54:49 +0100 MIME-Version: 1.0 Date: Tue, 29 Sep 2020 11:54:49 +0100 From: Marc Zyngier To: ito-yuichi@fujitsu.com Subject: Re: [PATCH 0/2] Enable support IPI_CPU_CRASH_STOP to be pseudo-NMI In-Reply-To: References: <20200924044236.1245808-1-ito-yuichi@fujitsu.com> <498b10b51f5c961f00b3d18e17c52e94@kernel.org> User-Agent: Roundcube Webmail/1.4.8 Message-ID: <74f6c812041970cb8f5e8c0da22fca92@kernel.org> X-Sender: maz@kernel.org X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: ito-yuichi@fujitsu.com, sumit.garg@linaro.org, tglx@linutronix.de, jason@lakedaemon.net, catalin.marinas@arm.com, will@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200929_065452_228503_50948EE6 X-CRM114-Status: GOOD ( 13.60 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: sumit.garg@linaro.org, jason@lakedaemon.net, catalin.marinas@arm.com, linux-kernel@vger.kernel.org, tglx@linutronix.de, will@kernel.org, linux-arm-kernel@lists.infradead.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2020-09-29 06:50, ito-yuichi@fujitsu.com wrote: > Hi Marc [...] >> >> The patch has been tested on ThunderX. >> >> Which ThunderX? TX2 (at least the incarnation I used in the past) >> wasn't able >> to correctly deal with priorities. > > I tried it with ThunderX CN8890. > If you tell me steps to reproduce the problem of TX2, I will > investigate it with TX as well. PMR_EL1 reporting fantasy values, non-uniform priority support across the interrupt classes, and generally prone to lockups. The original TX is a very different machine though (TX 1 and 2 only share the engraving of the manufacturer on the heat-spreader). M. -- Jazz is not dead. It just smells funny... _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel