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=-1.0 required=3.0 tests=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 082D8C35E04 for ; Tue, 25 Feb 2020 17:47:55 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 D49B82082F for ; Tue, 25 Feb 2020 17:47:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="FcwR8yNH"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="XGjuobsI" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D49B82082F 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+infradead-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=bombadil.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=vuwASJTkUBWI8gZwA1PpARgDO1mfuhNO5vlRcRxckrY=; b=FcwR8yNHjVlDG413j36MCut4i d8Fd6oLqe+KWoMsvcLxEbGF7oo9UFrOGBoHctZ0QFJbqxJRuDaASN44/24B59nSYX54HdURCTsxDF qrMHXwIT1GkvMjUWu1OHE4KIwJdE55sPNqU07q+dVVoFFiVoGpQ8QLpWdM/xJ6IFVFvxAdV5jazH8 TwZYYSsfitenCVMv/DbMGJncp4YxZoNM/8DjT4sEBFE14gt4qE2k9jW2EIMMsIn676i6OduaRCjE/ Z1306d5k2HzsUy/c6W8ovcVce0JoMkiU5OvnfkHtcDT9/LfL+2Zj64UgHRa1y8EqyI6GXrqH19YSq ZgFsTckmA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j6eJ8-0007eo-T7; Tue, 25 Feb 2020 17:47:46 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j6eJ6-0007eV-AS for linux-arm-kernel@lists.infradead.org; Tue, 25 Feb 2020 17:47:45 +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 C99DE2082F; Tue, 25 Feb 2020 17:47:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582652863; bh=wFY4nT18NUEOCsSIZLQiMZySKEN206P0ynlprSJzLxY=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=XGjuobsICXs5R2i5tUMYLovNc/Ft+QlcsFPm3BhPtHHA07UtwhlJZ4psr9jdB6ZlK dxV+HAsA6VxQ6bHfhOf+ob0eezHrtKmM6Ab7w3SznefE3wyaE3HlzGEULKg9EvsNp4 Pk5YEhohst+sM8/62XOYQpKTAcO2+Jhc+yM2jhy8= 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 1j6eJ4-007t0y-2B; Tue, 25 Feb 2020 17:47:42 +0000 MIME-Version: 1.0 Date: Tue, 25 Feb 2020 17:47:42 +0000 From: Marc Zyngier To: Tim Harvey Subject: Re: ARM64_SW_TTBR0_PAN enabled causing hangs on OcteonTX In-Reply-To: References: <6f3ce71073f38fbd4e0f7b75852a8846@kernel.org> <20200225163507.3ob4k3wzek5gypis@rric.localdomain> <8f2efa884c7cb642a9b9fa66c7949607@kernel.org> <82811bd7d5269431f99462b8daa0f4b2@kernel.org> Message-ID: X-Sender: maz@kernel.org User-Agent: Roundcube Webmail/1.3.10 X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: tharvey@gateworks.com, rrichter@marvell.com, linux-arm-kernel@lists.infradead.org, will@kernel.org, catalin.marinas@arm.com, sgoutham@marvell.com 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-20200225_094744_381363_22911791 X-CRM114-Status: UNSURE ( 7.42 ) X-CRM114-Notice: Please train this message. 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: Catalin Marinas , Robert Richter , Will Deacon , Sunil Goutham , 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+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2020-02-25 17:29, Tim Harvey wrote: > Yes, disabling KPTI with 'kpti=0' does work around the issue. Then this is definitely Marvell's job to tell us what is going wrong here. Thanks, 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