From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Ellerman Subject: [PATCH v3 2/7] powerpc: Add PVR & CPU name to dump stack arch description Date: Thu, 7 Feb 2019 23:46:30 +1100 Message-ID: <20190207124635.3885-2-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 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(+) 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org ([203.11.71.1]:46827 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726844AbfBGMqy (ORCPT ); Thu, 7 Feb 2019 07:46:54 -0500 From: Michael Ellerman Subject: [PATCH v3 2/7] powerpc: Add PVR & CPU name to dump stack arch description Date: Thu, 7 Feb 2019 23:46:30 +1100 Message-ID: <20190207124635.3885-2-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: <20190207124630.c6QAPhNFFSvPXnbhtwue8to8h7KTYcpfBFUgWjPsH9E@z> 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(+) 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