The patch titled
Subject: arm: jump label may reference text in __exit
has been added to the -mm tree. Its filename is
arm-jump-label-may-reference-text-in-__exit.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/arm-jump-label-may-reference-text-in-__exit.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/arm-jump-label-may-reference-text-in-__exit.patch
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------------------------------------------------------
From: Jason Baron <jbaron@xxxxxxxxxx>
Subject: arm: jump label may reference text in __exit
The jump table can reference text found in an __exit section. Thus,
instead of discarding it at build time, include EXIT_TEXT as part of
__init and it will be released when the system boots.
Link: http://lkml.kernel.org/r/60284113bb759121e8ae3e99af1535647e52123f.1467837322.git.jbaron@xxxxxxxxxx
Signed-off-by: Jason Baron <jbaron@xxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Chris Metcalf <cmetcalf@xxxxxxxxxxxx>
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Cc: Joe Perches <joe@xxxxxxxxxxx>
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/arm/kernel/vmlinux.lds.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN arch/arm/kernel/vmlinux.lds.S~arm-jump-label-may-reference-text-in-__exit arch/arm/kernel/vmlinux.lds.S
--- a/arch/arm/kernel/vmlinux.lds.S~arm-jump-label-may-reference-text-in-__exit
+++ a/arch/arm/kernel/vmlinux.lds.S
@@ -44,7 +44,7 @@
#endif
#if (defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK)) || \
- defined(CONFIG_GENERIC_BUG)
+ defined(CONFIG_GENERIC_BUG) || defined(CONFIG_JUMP_LABEL)
#define ARM_EXIT_KEEP(x) x
#define ARM_EXIT_DISCARD(x)
#else
_
Patches currently in -mm which might be from jbaron@xxxxxxxxxx are
powerpc-add-explicit-include-asm-asm-compath-for-jump-label.patch
sparc-support-static_key-usage-in-non-module-__exit-sections.patch
arm-jump-label-may-reference-text-in-__exit.patch
jump_label-remove-bugh-atomich-dependencies-for-have_jump_label.patch
dynamic_debug-add-jump-label-support.patch
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