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=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED 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 6D086C43381 for ; Thu, 21 Feb 2019 01:47:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 407572086C for ; Thu, 21 Feb 2019 01:47:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726352AbfBUBra (ORCPT ); Wed, 20 Feb 2019 20:47:30 -0500 Received: from ozlabs.org ([203.11.71.1]:37979 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725989AbfBUBra (ORCPT ); Wed, 20 Feb 2019 20:47:30 -0500 Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPSA id 444cmG48S0z9s5c; Thu, 21 Feb 2019 12:47:26 +1100 (AEDT) From: Michael Ellerman To: Christophe Leroy , Benjamin Herrenschmidt , Paul Mackerras , j.neuschaefer@gmx.net Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH v3 00/16] powerpc/32: Use BATs/LTLBs for STRICT_KERNEL_RWX In-Reply-To: References: Date: Thu, 21 Feb 2019 12:47:26 +1100 Message-ID: <87mumpx68h.fsf@concordia.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Christophe Leroy writes: > The purpose of this serie is to: > - use BATs with STRICT_KERNEL_RWX on book3s (See patch 13 for details.) > - use LTLBs with STRICT_KERNEL_RWX on 8xx (See patch 15 for a few details.) This doesn't boot qemu-mac99 for me: spawn ~/src/qemu/ppc-softmmu/qemu-system-ppc -nographic -vga none -M mac99 -m 1G -kernel build/vmlinux -initrd ppc32-initrd.gz -append console=ttyPZ0 init=/bin/sh >> ============================================================= >> OpenBIOS 1.1 [Feb 15 2019 10:05] >> Configuration device id QEMU version 1 machine id 1 >> CPUs: 1 >> Memory: 1024M >> UUID: 00000000-0000-0000-0000-000000000000 >> CPU type PowerPC,G4 milliseconds isn't unique. Welcome to OpenBIOS v1.1 built on Feb 15 2019 10:05 >> [ppc] Kernel already loaded (0x01000000 + 0x00c2c338) (initrd 0x01d2d000 + 0x007e72f0) >> [ppc] Kernel command line: console=ttyPZ0 init=/bin/sh >> switching to new context: OF stdout device is: /pci@f2000000/mac-io@c/escc@13000/ch-a@13020 Preparing to boot Linux version 5.0.0-rc2-gcc-8.2.0-00125-g4fcb83ca7936 (michael@ka4) (gcc version 8.2.0 (Buildroot 2018.11-rc2-00003-ga0787e9)) #724 Thu Feb 21 12:03:14 AEDT 2019 Detected machine type: 00000400 command line: memory layout at init: memory_limit : 00000000 (16 MB aligned) alloc_bottom : 02515000 alloc_top : 30000000 alloc_top_hi : 40000000 rmo_top : 30000000 ram_top : 40000000 copying OF device tree... Building dt strings... Building dt structure... Device tree strings 0x02516000 -> 0x025150a4 Device tree struct 0x02517000 -> 0x3fde7eb0 Quiescing Open Firmware ... Booting Linux via __start() @ 0x01000000 ... FAIL! Booting BE pmac32 That's pmac32 defconfig ish. I haven't had time to debug it further sorry. cheers