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 3431AC04A95 for ; Wed, 28 Sep 2022 13:41:02 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4McyLh3BPPz3cFD for ; Wed, 28 Sep 2022 23:41:00 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=ALqFYcta; dkim-atps=neutral Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4McyL80Hgrz3bY3 for ; Wed, 28 Sep 2022 23:40:32 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=ALqFYcta; dkim-atps=neutral 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 (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4McyL76Tcyz4xGk; Wed, 28 Sep 2022 23:40:31 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1664372431; bh=x0mQAMZ2Pmj93eVlnPVlcjrp6/EVhhdmfLtEEDImEgw=; h=From:To:Subject:Date:In-Reply-To:References:From; b=ALqFYctaZZVJEn2Xt5JALRyF7TXBrgXY/eIoZXqZ1zWkF/DqdTRLkHvuOa9XxtRxf EUS8ySY4/ZUHxwT6MO6IEQuCw3aEDFeQns9C+YYdMp0RQSHMJ//+DBoREt1wWAyw72 JSrbdlHmN1ujrXey5hQq+j9ZDaH5ltY2kJdNL+ILzhn8omzJi/+/iSGFKVwLQspoOD 9TrJB56sERK3tTt6vn3x0vikkt7E6Fmg5Vd9oyjyJnzTEO7Q/Erw8YZyQT+zFRm2x0 iamT0hCvydFjrjQ1RMprk/3Ej4NdyjJod5rmWQyaWnLQsa9KqMLkZWAt7+M5q19Rmy Ydufh73CPYI1w== From: Michael Ellerman To: Subject: [PATCH 3/6] powerpc/64: Add logical PVR to the dump stack arch description Date: Wed, 28 Sep 2022 23:40:22 +1000 Message-Id: <20220928134025.1739909-3-mpe@ellerman.id.au> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220928134025.1739909-1-mpe@ellerman.id.au> References: <20220928134025.1739909-1-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: , Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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 7987d69f1785..dca06ef7fcde 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -390,8 +390,10 @@ 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)); + seq_buf_printf(&ppc_hw_desc, "lpvr:0x%04x ", be32_to_cpup(prop)); + } check_cpu_feature_properties(node); check_cpu_features(node, "ibm,pa-features", ibm_pa_features, -- 2.37.3