Merge branch 'core/irq_work' of...

Merge branch 'core/irq_work' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks

 into irq/core

irq_work fixes and cleanups, in preparation for full dyntics support.

Signed-off-by: Ingo Molnar <mingo@kernel.org>