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3 Commits

Author SHA1 Message Date
Masanari Iida
40e47125e6 Documentation: Fix multiple typo in Documentation 
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
 2012-03-07 16:08:24 +01:00
Nicolas Pitre
40fb79c8a8 ARM: add a kuser_cmpxchg64 user space helper 
Some user space applications are designed around the ability to perform
atomic operations on 64 bit values.  Since this is natively possible
only with ARMv6k and above, let's provide a new kuser helper to perform
the operation with kernel supervision on pre ARMv6k hardware.

Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Tested-by: Dave Martin <dave.martin@linaro.org>
 2011-06-28 15:47:47 -04:00
Nicolas Pitre
37b8304642 ARM: kuser: move interface documentation out of the source code 
Digging into some assembly file in order to get information about the
kuser helpers is not that convivial.  Let's move that information to
a better formatted file in Documentation/arm/ and improve on it a bit.

Thanks to Dave Martin <dave.martin@linaro.org> for the initial cleanup and
clarifications.

Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Acked-by: Dave Martin <dave.martin@linaro.org>
 2011-06-20 10:49:24 -04:00