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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 47A9CC433EF for ; Thu, 6 Jan 2022 15:57:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=yMZS5vOncUW+cFtvRSii340TWYoazkh3hMNAcPFi2EU=; b=oPXSBiSzzooV1W xo09kgU/UWXs8m03Y8+l1ra8fiyNEUGC461cuWX+kB9QqRIfpjEHOEiAjaZHQAXgXbyXimt2kGU/B qctGH7laiCwCFCgZ0MPufeCgFNjenpssPdgV70TYCfzo0ezf7R/qnBH+ue+1JyHypzQWOVlu8dotH 5PXjK4HjGE3Ob3QPFRIERAMWm7h3MPavdS3Ec67kYVQ1q4F4M1XXnbYmeMziiG+HmPGWe2TxmtbHu CFHprUVoe3XMoBWygsBK/dsTFy1U21ISRt+V6XuW+cPJ3hojyUdB0oDuNiXH1JracEapM1+hS95RI 3k0EPdDGxC8k98W92Olw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n5V84-000Vgh-JU; Thu, 06 Jan 2022 15:56:40 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1n5V81-000Vfc-1V for linux-arm-kernel@lists.infradead.org; Thu, 06 Jan 2022 15:56:38 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 9647A61CAC; Thu, 6 Jan 2022 15:56:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BEFD8C36AE0; Thu, 6 Jan 2022 15:56:33 +0000 (UTC) Date: Thu, 6 Jan 2022 15:56:30 +0000 From: Catalin Marinas To: Jianyong Wu Cc: "will@kernel.org" , Anshuman Khandual , "akpm@linux-foundation.org" , "david@redhat.com" , "quic_qiancai@quicinc.com" , "ardb@kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "gshan@redhat.com" , Justin He , nd Subject: Re: [PATCH v3] arm64/mm: avoid fixmap race condition when create pud mapping Message-ID: References: <20211216082812.165387-1-jianyong.wu@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220106_075637_148247_34B48848 X-CRM114-Status: GOOD ( 13.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Jan 06, 2022 at 10:13:06AM +0000, Jianyong Wu wrote: > I test this patch in your way using both EDK2 V2.6 and EDK2 v2.7. it's > peculiar that this issue shows up on v2.6 but not on v2.7. > For now, I only find that if "CONFIG_DEBUG_LOCK_ALLOC" is enabled, the > kernel boot will hang. However, I can't debug it by printk as this > issue happens before pl11 is ready. I tried earlycon but that doesn't help either. > I will go on debugging, but very appreciated if someone can give some > hints on it. FWIW, passing "nokaslr" on the kernel command line makes it boot (and this makes debugging harder). That's as far as I've gone. -- Catalin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel