futex: Enhance comments in futex_lock_pi() for blocking paths
futex: Enhance comments in futex_lock_pi() for blocking paths

... serves a bit better to clarify between blocking
and non-blocking code paths.

Signed-off-by: Davidlohr Bueso <004a7ec0459a12f8239e6a658beae4a155e8573d@suse.de>
Cc: Peter Zijlstra <3fddac958924aef220f202ca567388ddab3f14a8@infradead.org>
Cc: Darren Hart <39afb6cb2f84a5645c2345b80cbfe0b45648600b@dvhart.com>
Cc: Davidlohr Bueso <bfcdf3e6ca6cef45543bfbb57509c92aec9a39fb@stgolabs.net>
Link: http://lkml.kernel.org/r/1435645562-975-2-git-send-email-bfcdf3e6ca6cef45543bfbb57509c92aec9a39fb@stgolabs.net
Signed-off-by: Thomas Gleixner <00e4cf8f46a57000a44449bf9dd8cbbcc209fd2a@linutronix.de>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs