linux-kernel - [PATCH v3 5/7] powerpc: Add ppc_md.name to dump stack arch description

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Date:   Thu,  7 Feb 2019 23:46:33 +1100
From:   Michael Ellerman <mpe@...erman.id.au>
To:     linuxppc-dev@...abs.org
Cc:     akpm@...ux-foundation.org, tj@...nel.org,
        linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        dyoung@...hat.com, sergey.senozhatsky@...il.com, pmladek@...e.com
Subject: [PATCH v3 5/7] powerpc: Add ppc_md.name to dump stack arch description

As soon as we know the name of the machine description we're using, add
it to the dump stack arch description, which is printed in case of an
oops.

eg: Hardware name: ... machine:pSeries

Signed-off-by: Michael Ellerman <mpe@...erman.id.au>
---
 arch/powerpc/kernel/setup-common.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index ca00fbb97cf8..00d900b1e584 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -21,6 +21,7 @@
 #include <linux/delay.h>
 #include <linux/initrd.h>
 #include <linux/platform_device.h>
+#include <linux/printk.h>
 #include <linux/seq_file.h>
 #include <linux/ioport.h>
 #include <linux/console.h>
@@ -638,6 +639,8 @@ void probe_machine(void)
 		for (;;);
 	}
 
+	dump_stack_add_arch_desc("machine:%s", ppc_md.name);
+
 	printk(KERN_INFO "Using %s machine description\n", ppc_md.name);
 }
 
-- 
2.20.1