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Subject[tip:perf/urgent] jump_label: Fix unaligned traps on sparc.
Commit-ID:  f0daed0242d514033b9ecca9187108d3c4e281a5
Gitweb: http://git.kernel.org/tip/f0daed0242d514033b9ecca9187108d3c4e281a5
Author: David Miller <davem@davemloft.net>
AuthorDate: Sat, 23 Oct 2010 11:06:24 -0700
Committer: Steven Rostedt <rostedt@goodmis.org>
CommitDate: Fri, 29 Oct 2010 12:57:06 -0400

jump_label: Fix unaligned traps on sparc.

The vmlinux.lds.h knobs to emit the __jump_table section in the main
kernel image takes care to align the section, but this doesn't help
for the __jump_table section that gets emitted into modules.

Fix the resulting lack of section alignment by explicitly specifying
it in the assembler.

Signed-off-by: David S. Miller <davem@davemloft.net>
LKML-Reference: <20101023.110624.226758370.davem@davemloft.net>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
arch/sparc/include/asm/jump_label.h | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/sparc/include/asm/jump_label.h b/arch/sparc/include/asm/jump_label.h
index 62e66d7..d95cf44 100644
--- a/arch/sparc/include/asm/jump_label.h
+++ b/arch/sparc/include/asm/jump_label.h
@@ -14,6 +14,7 @@
"nop\n\t" \
"nop\n\t" \
".pushsection __jump_table, \"a\"\n\t"\
+ ".align 4\n\t" \
".word 1b, %l[" #label "], %c0\n\t" \
".popsection \n\t" \
: : "i" (key) : : label);\

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