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This patch converts verify_area to access_ok in arch/i386, fs/, kernel/ and a
few other bits that didn't fit in the other patches or that I actually was
able to test on my hardware - this is by far the best tested of all the
patches.
Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch pulls together the compat_sigevent structs. It also
consolidates the copying of these structures into the kernel.
The only part of the second union in sigevent that the kernel looks at
currently is the _tid, so that is the only bit we copy.
This patch depends on my previous two patches "add and use
COMPAT_SIGEV_PAD_SIZE" and "Consolidate the last compat sigvals".
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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ipc compat code switched to compat_alloc_user_space() and annotated.
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From: Arnd Bergmann <arnd@arndb.de>
I have tested the code with the open posix test suite and found the same
four failures for both 64-bit and compat mode, most tests pass. The patch
is against -mc1, but I guess it also applies to the other trees around.
What worries me more than mq_attr compatibility is the conversion of struct
sigevent, which might turn out really hard when more fields in there are
used. AFAICS, the only other part in the kernel ABI is sys_timer_create(),
so maybe it's not too late to deprecate the current structure and create a
structure that can be used properly for compat syscalls.
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