This is a note to let you know that I've just added the patch titled
arm64: Bug fix in stack alignment exception
to the 3.15-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:
arm64-bug-fix-in-stack-alignment-exception.patch
and it can be found in the queue-3.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 3906c2b53cd23c2ae03e6ce41432c8e7f0a3cbbb Mon Sep 17 00:00:00 2001
From: ChiaHao <andy.jhshiu@xxxxxxxxx>
Date: Thu, 12 Jun 2014 15:32:33 +0100
Subject: arm64: Bug fix in stack alignment exception
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From: ChiaHao <andy.jhshiu@xxxxxxxxx>
commit 3906c2b53cd23c2ae03e6ce41432c8e7f0a3cbbb upstream.
The value of ESR has been stored into x1, and should be directly pass to
do_sp_pc_abort function, "MOV x1, x25" is an extra operation and do_sp_pc_abort
will get the wrong value of ESR.
Signed-off-by: ChiaHao <andy.jhshiu@xxxxxxxxx>
Signed-off-by: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/arm64/kernel/entry.S | 1 -
1 file changed, 1 deletion(-)
--- a/arch/arm64/kernel/entry.S
+++ b/arch/arm64/kernel/entry.S
@@ -275,7 +275,6 @@ el1_sp_pc:
* Stack or PC alignment exception handling
*/
mrs x0, far_el1
- mov x1, x25
mov x2, sp
b do_sp_pc_abort
el1_undef:
Patches currently in stable-queue which might be from andy.jhshiu@xxxxxxxxx are
queue-3.15/arm64-bug-fix-in-stack-alignment-exception.patch
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