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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham 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 2D76BC4321D for ; Thu, 16 Aug 2018 09:14:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E50C7214C2 for ; Thu, 16 Aug 2018 09:14:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E50C7214C2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390362AbeHPML6 (ORCPT ); Thu, 16 Aug 2018 08:11:58 -0400 Received: from foss.arm.com ([217.140.101.70]:34640 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728165AbeHPML6 (ORCPT ); Thu, 16 Aug 2018 08:11:58 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 151697A9; Thu, 16 Aug 2018 02:14:48 -0700 (PDT) Received: from edgewater-inn.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id D9C463F5BD; Thu, 16 Aug 2018 02:14:47 -0700 (PDT) Received: by edgewater-inn.cambridge.arm.com (Postfix, from userid 1000) id 1110E1AE11BC; Thu, 16 Aug 2018 10:14:54 +0100 (BST) Date: Thu, 16 Aug 2018 10:14:54 +0100 From: Will Deacon To: John Stultz Cc: Linus Torvalds , Marc Zyngier , Catalin Marinas , Thomas Gleixner , lkml , linux-arm-kernel , Amit Pundir , Vishal Bhoj Subject: Re: [GIT PULL] arm64: updates for 4.19 Message-ID: <20180816091454.GA31093@arm.com> References: <20180814113633.GE28664@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi John, On Wed, Aug 15, 2018 at 04:55:15PM -0700, John Stultz wrote: > On Tue, Aug 14, 2018 at 4:36 AM, Will Deacon wrote: > > > > Please pull these arm64 updates for 4.19. Details in the tag, but please be > > aware that we've pulled in the x86/mm branch from -tip so that we can make > > use of the core ioremap changes which allow us to put down huge mappings > > in the vmalloc area without screwing up the TLB. Much of the positive > > diffstat is because of the rseq selftest for arm64. > > > > There is a trivial conflict in arch/arm64/Makefile with your tree, since > > we effectively rewrote a fix that was merged in -rc5 [96f95a17c1cf]. The > > correct resolution is therefore to prefer the code using ld-option, which > > is what we have here. We also ran into a couple of trivial conflicts that > > were resolved in -next with the KVM and EFI trees. > > > > Hey Will, > So I noticed issues booting Linus' master on the HiKey960 board I > have today (something hangs early in boot before I get any serial > output), and isolated the issue down to your branch here. > > It seems to be coming from 693350a79980 ("arm64: insn: Don't fallback > on nosync path for general insn patching"), and reverting that change > resolves the issue for me. > > If you have any suggestions for alternative fixes or things to try, > please let me know. Hmm, sorry about that. It's also just been reported on linux-arm-kernel[1], and they have a backtrace, so I'll take a look today. Cheers, Will [1] http://lists.infradead.org/pipermail/linux-arm-kernel/2018-August/596961.html