Re: [patch RT 1/4] rtmutex: Make lock_killable work

[Peter Zijlstra]

On Mon, Apr 03, 2017 at 11:21:26AM -0400, Steven Rostedt wrote:
> On Sat, 01 Apr 2017 12:50:59 +0200
> Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
> 
> > Locking an rt mutex killable does not work because signal handling is
> > restricted to TASK_INTERRUPTIBLE.
> > 
> > Use signal_pending_state() unconditionaly.
> 
> Does this mean rt mutex killable is not INTERRUPTIBLE? because the
> change log seems to just assume that.

> > -		if (unlikely(state == TASK_INTERRUPTIBLE)) {

#define TASK_KILLABLE           (TASK_WAKEKILL | TASK_UNINTERRUPTIBLE)


I don't think we need to consider people who don't know where to find
the TASK_state definitions.