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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 5187FC282C2 for ; Thu, 7 Feb 2019 12:47:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2B84B21916 for ; Thu, 7 Feb 2019 12:47:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727291AbfBGMrX (ORCPT ); Thu, 7 Feb 2019 07:47:23 -0500 Received: from ozlabs.org ([203.11.71.1]:46035 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727151AbfBGMqy (ORCPT ); Thu, 7 Feb 2019 07:46:54 -0500 Received: by ozlabs.org (Postfix, from userid 1034) id 43wJ3c4m5Qz9s4V; Thu, 7 Feb 2019 23:46:52 +1100 (AEDT) From: Michael Ellerman To: linuxppc-dev@ozlabs.org Cc: akpm@linux-foundation.org, tj@kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, dyoung@redhat.com, sergey.senozhatsky@gmail.com, pmladek@suse.com Subject: [PATCH v3 3/7] powerpc/64: Add logical PVR to the dump stack arch description Date: Thu, 7 Feb 2019 23:46:31 +1100 Message-Id: <20190207124635.3885-3-mpe@ellerman.id.au> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190207124635.3885-1-mpe@ellerman.id.au> References: <20190207124635.3885-1-mpe@ellerman.id.au> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If we detect a logical PVR add that to the dump stack arch description, which is printed in case of an oops. eg: Hardware name: ... lpvr:0xf000004 Signed-off-by: Michael Ellerman --- arch/powerpc/kernel/prom.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index ea2c3498067d..38a90097469a 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -371,8 +371,10 @@ static int __init early_init_dt_scan_cpus(unsigned long node, */ if (!dt_cpu_ftrs_in_use()) { prop = of_get_flat_dt_prop(node, "cpu-version", NULL); - if (prop && (be32_to_cpup(prop) & 0xff000000) == 0x0f000000) + if (prop && (be32_to_cpup(prop) & 0xff000000) == 0x0f000000) { identify_cpu(0, be32_to_cpup(prop)); + dump_stack_add_arch_desc("lpvr:0x%04x", be32_to_cpup(prop)); + } check_cpu_feature_properties(node); check_cpu_pa_features(node); -- 2.20.1