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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 10A90C28B2E for ; Tue, 11 Mar 2025 21:50:53 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4ZC6rr23THz302c; Wed, 12 Mar 2025 08:50:52 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip="2001:4d48:ad52:32c8:5054:ff:fe00:142" ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1741729852; cv=none; b=DPDJWsz4kLC0gfZU7BVx78i8uk02+CBXRYVtyPkKy5t14arrK/M+venr59PlVViIdvTv3JCQ1Mur5dYO52Z3q0jWu3OQz7w+5znZggSyTIEz1Gxa/4S+Alil9/RjAIboP/ItIc+XmOczSVMKxwSJ9+WfbiT58v6vFmW70+iIEsXDe8LjCSNtk+qWoh3PxU8bAS6SB6YZM0wUN35+8bv1v7vwXnC8AIIU0g8L59+jJ1T2rWCyU4N1J96xnyJ3fZLaXB3xj5kcXM6UmxVjdutho03wgYJEadT5XfKFcnFnSRW9/O8DT2Wruqc+UPo0iPhwA/zmpSkPFvQ1z6/8y7XqjA== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1741729852; c=relaxed/relaxed; bh=ovx5QRchar4AgKbZmcUidnU1Sgp6hJ8J2mWjaBreQxQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=iIZ8ihUWKPFU4FmufBntOxY3Y56v5xwW93YmtjFa/9J6tjJPprvOm80BZZ5x0aMrxAUTAPq4NTo6YYXHVxJ0jv2YxwNowfeiUTk9xVdwn0vC9YW8QdysFHSzMM3Rp7YI38u6CNF035NX6ANS7TW0W350JoLmyC9a+rL/EpDH016y48M+d7kAdUvJm9sdntrHoCinWOBcenYdtH1midcKvTIDP9QlUZoUy6Ptv54P6vR5d0Eyea9xOp8cOSYWL8tB8uRatMUFVrF76n0e72Dm/555bUkKseMuG0HSWW2vwcCMPVxWh9D7HPeVniCk0W6SvPPox/t2jew5kAawYbRTTw== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=armlinux.org.uk; dkim=pass (2048-bit key; secure) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.a=rsa-sha256 header.s=pandora-2019 header.b=YKUFZma5; dkim-atps=neutral; spf=none (client-ip=2001:4d48:ad52:32c8:5054:ff:fe00:142; helo=pandora.armlinux.org.uk; envelope-from=linux+linuxppc-dev=lists.ozlabs.org@armlinux.org.uk; receiver=lists.ozlabs.org) smtp.mailfrom=armlinux.org.uk Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=armlinux.org.uk Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.a=rsa-sha256 header.s=pandora-2019 header.b=YKUFZma5; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=armlinux.org.uk (client-ip=2001:4d48:ad52:32c8:5054:ff:fe00:142; helo=pandora.armlinux.org.uk; envelope-from=linux+linuxppc-dev=lists.ozlabs.org@armlinux.org.uk; receiver=lists.ozlabs.org) X-Greylist: delayed 320 seconds by postgrey-1.37 at boromir; Wed, 12 Mar 2025 08:50:47 AEDT Received: from pandora.armlinux.org.uk (pandora.armlinux.org.uk [IPv6:2001:4d48:ad52:32c8:5054:ff:fe00:142]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4ZC6rl2HhHz2yvk for ; Wed, 12 Mar 2025 08:50:47 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding: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=ovx5QRchar4AgKbZmcUidnU1Sgp6hJ8J2mWjaBreQxQ=; b=YKUFZma5ooYbfPAxs2e8WpnWGr ReBixcYtqsm8p9qp/V9IOpcOD3rDtkAOWoTp+rxRWoG5hAQb7JcEgBz9PjnmIx2B1UkY86AGEE8dA vBMJ+HrwLU/e/BTg1Q0w6r/jVzrvxp9U4JLfTMsS9Fk7DOds9lm+Bzlif2BtGz+2KKZrH5q9XSKSr 0IcAmbvHcysiqhBGxEoiO3ydP+pavx2GPUBMUDLT5kb3QIVZkaXgEpT+S9xdlHJZXw/PiGccrR7QP ga+uclZiwdICHah9QStnWzKC8lQo7WOlF+qgO+zqhsf6THT7hbqGpimkd2yAJxmeRlK+JidELtIKv Wz1UWjfQ==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:57706) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1ts7OX-0004di-0b; Tue, 11 Mar 2025 21:44:13 +0000 Received: from linux by shell.armlinux.org.uk with local (Exim 4.96) (envelope-from ) id 1ts7ON-0003qi-0R; Tue, 11 Mar 2025 21:44:03 +0000 Date: Tue, 11 Mar 2025 21:44:02 +0000 From: "Russell King (Oracle)" To: Mark Brown Cc: Mike Rapoport , Andrew Morton , Alexander Gordeev , Andreas Larsson , Andy Lutomirski , Arnd Bergmann , Borislav Petkov , Brian Cain , Catalin Marinas , Dave Hansen , "David S. Miller" , Dinh Nguyen , Geert Uytterhoeven , Gerald Schaefer , Guo Ren , Heiko Carstens , Helge Deller , Huacai Chen , Ingo Molnar , Jiaxun Yang , Johannes Berg , John Paul Adrian Glaubitz , Madhavan Srinivasan , Matt Turner , Max Filippov , Michael Ellerman , Michal Simek , Palmer Dabbelt , Peter Zijlstra , Richard Weinberger , Stafford Horne , Thomas Bogendoerfer , Thomas Gleixner , Vasily Gorbik , Vineet Gupta , Will Deacon , linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org Subject: Re: [PATCH 10/13] arch, mm: set high_memory in free_area_init() Message-ID: References: <20250306185124.3147510-1-rppt@kernel.org> <20250306185124.3147510-11-rppt@kernel.org> <5e40219b-f149-4e0f-aa10-c09fa183945e@sirena.org.uk> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5e40219b-f149-4e0f-aa10-c09fa183945e@sirena.org.uk> Sender: Russell King (Oracle) On Tue, Mar 11, 2025 at 09:33:29PM +0000, Mark Brown wrote: > On Tue, Mar 11, 2025 at 11:06:56PM +0200, Mike Rapoport wrote: > > On Tue, Mar 11, 2025 at 05:51:06PM +0000, Mark Brown wrote: > > > > This patch appears to be causing breakage on a number of 32 bit arm > > > platforms, including qemu's virt-2.11,gic-version=3. Affected platforms > > > die on boot with no output, a bisect with qemu points at this commit and > > > those for physical platforms appear to be converging on the same place. > > > Can you share how this can be reproduced with qemu? > > https://lava.sirena.org.uk/scheduler/job/1184953 > > Turns out it's actually producing output on qemu: > > [ 0.000000] Booting Linux on physical CPU 0x0 > [ 0.000000] Linux version 6.14.0-rc6-next-20250311 (tuxmake@tuxmake) (arm-linux-gnueabihf-gcc (Debian 13.3.0-5) 13.3.0, GNU ld (GNU Binutils for Debian) 2.43.1) #1 SMP @1741691801 > [ 0.000000] CPU: ARMv7 Processor [414fc0f0] revision 0 (ARMv7), cr=10c5387d > [ 0.000000] CPU: div instructions available: patching division code > [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache > [ 0.000000] OF: fdt: Machine model: linux,dummy-virt > [ 0.000000] random: crng init done > [ 0.000000] earlycon: pl11 at MMIO 0x09000000 (options '') > [ 0.000000] printk: legacy bootconsole [pl11] enabled > [ 0.000000] Memory policy: Data cache writealloc > [ 0.000000] efi: UEFI not found. > [ 0.000000] cma: Reserved 64 MiB at 0x00000000 > > - I'd only been sampling the logs for the physical platforms, none of > which had shown anything. > > (you dropped me from the CCs BTW!) That's because your emails contain a "Mail-Followup-To:" header. Please read: https://datatracker.ietf.org/doc/html/draft-ietf-drums-mail-followup-to-00.txt particularly 2.4. In effect, by including this header, you asked to be dropped. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!