[PATCH 1/3] futex: remove duplicated code

Chris Metcalf cmetcalf at mellanox.com
Fri Mar 3 06:48:52 PST 2017

On 3/3/2017 7:27 AM, Jiri Slaby wrote:
> There is code duplicated over all architecture's headers for
> futex_atomic_op_inuser. Namely op decoding, access_ok check for uaddr,
> and comparison of the result.
> Remove this duplication and leave up to the arches only the needed
> assembly which is now in arch_futex_atomic_op_inuser.
> Note that s390 removed access_ok check in d12a29703 ("s390/uaccess:
> remove pointless access_ok() checks") as access_ok there returns true.
> We introduce it back to the helper for the sake of simplicity (it gets
> optimized away anyway).
> Signed-off-by: Jiri Slaby<jslaby at suse.cz>

Acked-by: Chris Metcalf <cmetcalf at mellanox.com> [for tile]

Chris Metcalf, Mellanox Technologies

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