From: Michael Ellerman <mpe@ellerman.id.au>
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 2/7] powerpc: Add PVR & CPU name to dump stack arch description
Date: Thu, 7 Feb 2019 23:46:30 +1100 [thread overview]
Message-ID: <20190207124635.3885-2-mpe@ellerman.id.au> (raw)
In-Reply-To: <20190207124635.3885-1-mpe@ellerman.id.au>
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 <mpe@ellerman.id.au>
---
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 <linux/init.h>
#include <linux/export.h>
#include <linux/jump_label.h>
+#include <linux/printk.h>
#include <asm/oprofile_impl.h>
#include <asm/cputable.h>
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
next prev parent reply other threads:[~2019-02-07 12:46 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-07 12:46 [PATCH v3 1/7] dump_stack: Support adding to the dump stack arch description Michael Ellerman
2019-02-07 12:46 ` Michael Ellerman [this message]
2019-02-07 12:46 ` [PATCH v3 3/7] powerpc/64: Add logical PVR " Michael Ellerman
2019-02-07 12:46 ` [PATCH v3 4/7] powerpc: Add device-tree model to " Michael Ellerman
2019-02-07 12:46 ` [PATCH v3 5/7] powerpc: Add ppc_md.name " Michael Ellerman
2019-02-07 12:46 ` [PATCH v3 6/7] powerpc/powernv: Add opal details " Michael Ellerman
2019-02-07 12:46 ` [PATCH v3 7/7] powerpc/pseries: Add firmware " Michael Ellerman
2019-02-08 2:01 ` [PATCH v3 1/7] dump_stack: Support adding to the " Sergey Senozhatsky
2019-02-08 18:55 ` Steven Rostedt
2019-02-11 7:55 ` Sergey Senozhatsky
2019-02-11 12:50 ` Andrea Parri
2019-02-11 14:38 ` Petr Mladek
2019-02-19 23:39 ` Andrea Parri
2019-02-20 9:47 ` Michael Ellerman
2019-02-20 13:44 ` Andrea Parri
2019-02-21 8:38 ` Petr Mladek
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