This is a note to let you know that I've just added the patch titled
sparc64 address-congruence property
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
sparc64-address-congruence-property.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 3eba104b302a26958bbb4ed4bf40467390722b39 Mon Sep 17 00:00:00 2001
From: bob picco <[email protected]>
Date: Tue, 11 Jun 2013 14:54:51 -0400
Subject: sparc64 address-congruence property
From: bob picco <[email protected]>
The Machine Description (MD) property "address-congruence-offset" is
optional. According to the MD specification the value is assumed 0UL when
not present. This caused early boot failure on T5.
Signed-off-by: Bob Picco <[email protected]>
CC: [email protected]
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
arch/sparc/mm/init_64.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -1067,7 +1067,14 @@ static int __init grab_mblocks(struct md
m->size = *val;
val = mdesc_get_property(md, node,
"address-congruence-offset", NULL);
- m->offset = *val;
+
+ /* The address-congruence-offset property is optional.
+ * Explicity zero it be identifty this.
+ */
+ if (val)
+ m->offset = *val;
+ else
+ m->offset = 0UL;
numadbg("MBLOCK[%d]: base[%llx] size[%llx] offset[%llx]\n",
count - 1, m->base, m->size, m->offset);
Patches currently in stable-queue which might be from [email protected] are
queue-3.4/sparc64-address-congruence-property.patch
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