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powerpc: Align p_end
authorAnton Blanchard <anton@samba.org>
Mon, 23 Dec 2013 01:19:51 +0000 (12:19 +1100)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Mon, 30 Dec 2013 03:02:33 +0000 (14:02 +1100)
p_end is an 8 byte value embedded in the text section. This means it
is only 4 byte aligned when it should be 8 byte aligned. Fix this
by adding an explicit alignment.

This fixes an issue where POWER7 little endian builds with
CONFIG_RELOCATABLE=y fail to boot.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/kernel/head_64.S patch | blob | blame | history

diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 2ae41aba40530f7facf916f6ce101ad3196a7363..fad2abdcbdfed8d3663fd5d98ab70eb58f4a5e16 100644 (file)
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -470,6 +470,7 @@ _STATIC(__after_prom_start)
        mtctr   r8
        bctr
 
+.balign 8
 p_end: .llong  _end - _stext
 
 4:     /* Now copy the rest of the kernel up to _end */