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authorWill Deacon <will.deacon@arm.com>2012-01-20 12:01:09 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-01-23 10:20:04 +0000
commit972da06470519b6eaef9776a586e2353f089de9c (patch)
tree346f0f57424c9e2e01b1fa00113557082028ef1b /arch/arm/kernel/vmlinux.lds.S
parentf0d5375e3c7b5d7f128af03c5271c328faeb3ae7 (diff)
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ARM: 7290/1: vmlinux.lds.S: align the exception fixup table to a 4-byte boundary
The exception fixup table is currently aligned to a 32-byte boundary. Whilst this won't cause any problems, the exception_table_entry structures contain only a pair of unsigned longs, so 4-byte alignment is all that is required. If the table was walked from start to end, cacheline alignment may bring some performance benefits, but since a binary search is used, the access pattern is random and will not benefit from a stricter alignment. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/vmlinux.lds.S')
-rw-r--r--arch/arm/kernel/vmlinux.lds.S2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index 1077e4ff6f3c..1e19691e0406 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -219,7 +219,7 @@ SECTIONS
/*
* The exception fixup table (might need resorting at runtime)
*/
- . = ALIGN(32);
+ . = ALIGN(4);
__start___ex_table = .;
#ifdef CONFIG_MMU
*(__ex_table)