On Tue, Nov 14, 2017 at 11:19:16AM +0000, Russell King - ARM Linux wrote: > On Tue, Nov 14, 2017 at 12:10:46PM +0100, gre...@linuxfoundation.org wrote: > > On Tue, Nov 14, 2017 at 10:34:49AM +0000, Oleksandr Shamray wrote: > > > Greg, what you can suggest about it. May be better to add again > > > single-open()-per-device lock with right locking way like: > > > > > > >if (mutex_lock_interruptible(&jtag->open_lock)) { > > > > You would stall an open? Why not just return saying you can't do that? > > Greg, I think you need to look at the code again.
Heh, sorry, I probably got it wrong. I'll be glad to review it in a real patch when needed, but not in the middle of the merge window :) thanks, greg k-h