From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Ellerman 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> References: <20190207124635.3885-1-mpe@ellerman.id.au> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190207124635.3885-1-mpe@ellerman.id.au> Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: linux-arch.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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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 From: Michael Ellerman 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> 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-arch-owner@vger.kernel.org List-ID: 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 Message-ID: <20190207124631.Y3bG1pDWGGa5P2-GEV4XnNeYuXlVOqvkupW36aSmorY@z> 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