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alpha: exception table sorting

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Exception fixups for sections other than .text (like one in futex_init())
break the natural ordering of fixup entries, so sorting is required.

Without that the result of the exception table search depends on phase of
the moon.

Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Richard Henderson <rth@twiddle.net
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ivan Kokshaysky 2009-04-30 15:08:47 -07:00 • committed by Linus Torvalds
commit 08a42e86bc
2 changed files with 41 additions and 1 deletions
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2
arch/alpha/include/asm/uaccess.h
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@ -507,5 +507,7 @@ struct exception_table_entry
(pc) + (_fixup)->fixup.bits.nextinsn; \
})
#define ARCH_HAS_SORT_EXTABLE
#define ARCH_HAS_SEARCH_EXTABLE
#endif /* __ALPHA_UACCESS_H */