tree 94ed1fab5b073d66be50a876ad81104eeb73c732
parent 8af4efac26e1805c76144ad44118157239308d35
author Al Viro <viro@zeniv.linux.org.uk> 1338574921 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1349099893 -0400

sanitize tsk_is_polling()

Make default just return 0.  The current default (checking
TIF_POLLING_NRFLAG) is taken to architectures that need it;
ones that don't do polling in their idle threads don't need
to defined TIF_POLLING_NRFLAG at all.

ia64 defined both TS_POLLING (used by its tsk_is_polling())
and TIF_POLLING_NRFLAG (not used at all).  Killed the latter...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>