From 20cb6abfe0062693183eb2a85f7c73792e96407f Mon Sep 17 00:00:00 2001
From: Lin Yongting <linyongting@gmail.com>
Date: Wed, 26 Nov 2014 14:33:49 +0100
Subject: [PATCH] ARM: 8223/1: Add unwinding support for __memzero function

The __memzero function never had unwinding annotations added.
Currently, when accessing invalid pointer by __memzero occurs the
backtrace shown will stop at __memzero or some completely unrelated
function. Add unwinding annotations in hopes of getting a more
useful backtrace in following cases:
1. die on accessing invalid pointer by __memzero
2. kprobe trapped at any instruction within __memzero
3. interrupted at any instruction within __memzero

Signed-off-by: Lin Yongting <linyongting@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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