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 9A13DC43387 for ; Thu, 17 Jan 2019 13:34:42 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4FA20205C9 for ; Thu, 17 Jan 2019 13:34:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4FA20205C9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 43gQ6S3R1DzDqsy for ; Fri, 18 Jan 2019 00:34:40 +1100 (AEDT) Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 43gQ264FWBzDqnl for ; Fri, 18 Jan 2019 00:30:54 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Received: by ozlabs.org (Postfix) id 43gQ260VD8z9sBn; Fri, 18 Jan 2019 00:30:54 +1100 (AEDT) Received: by ozlabs.org (Postfix, from userid 1034) id 43gQ256HCVz9sCh; Fri, 18 Jan 2019 00:30:53 +1100 (AEDT) From: Michael Ellerman To: linuxppc-dev@ozlabs.org Subject: [PATCH v2 2/7] powerpc: Add PVR & CPU name to dump stack arch description Date: Fri, 18 Jan 2019 00:30:37 +1100 Message-Id: <20190117133042.793-2-mpe@ellerman.id.au> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190117133042.793-1-mpe@ellerman.id.au> References: <20190117133042.793-1-mpe@ellerman.id.au> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: tj@kernel.org, akpm@linux-foundation.org, mikey@neuling.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" As soon as we've done some basic setup, add the PVR and CPU name to the dump stack arch description, which is printed in case of an oops. eg: Hardware name: ... POWER8E (raw) pvr:0x4b0201 Signed-off-by: Michael Ellerman --- arch/powerpc/kernel/cputable.c | 1 + arch/powerpc/kernel/prom.c | 4 ++++ 2 files changed, 5 insertions(+) v2: Show the PVR as well. diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 1eab54bc6ee9..8b4520a84612 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 4181ec715f88..ea2c3498067d 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -761,6 +761,10 @@ void __init early_init_devtree(void *params) dt_cpu_ftrs_scan(); + /* We can now set the CPU name & PVR for the oops output */ + dump_stack_add_arch_desc("%s pvr:0x%04lx", cur_cpu_spec->cpu_name, + mfspr(SPRN_PVR)); + /* Retrieve CPU related informations from the flat tree * (altivec support, boot CPU ID, ...) */ -- 2.20.1