From: Michael Ellerman <mpe@ellerman.id.au>
To: linuxppc-dev@ozlabs.org
Cc: linux-arch@vger.kernel.org, pmladek@suse.com,
linux-kernel@vger.kernel.org, sergey.senozhatsky@gmail.com,
tj@kernel.org, akpm@linux-foundation.org, dyoung@redhat.com
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 [thread overview]
Message-ID: <20190207124635.3885-3-mpe@ellerman.id.au> (raw)
In-Reply-To: <20190207124635.3885-1-mpe@ellerman.id.au>
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 <mpe@ellerman.id.au>
---
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
next prev parent reply other threads:[~2019-02-07 12:53 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 ` [PATCH v3 2/7] powerpc: Add PVR & CPU name to " Michael Ellerman
2019-02-07 12:46 ` Michael Ellerman [this message]
2019-02-07 12:46 ` [PATCH v3 4/7] powerpc: Add device-tree model " 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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