Messages in this thread | | | Subject | Re: [PATCH v2 1/2] rtmutex Real-Time Linux: Fixing kernel BUG at kernel/locking/rtmutex.c:997! | From | Mike Galbraith <> | Date | Tue, 07 Apr 2015 13:01:24 +0200 |
| |
On Tue, 2015-04-07 at 12:56 +0200, Peter Zijlstra wrote: > On Tue, Apr 07, 2015 at 12:49:16PM +0200, Mike Galbraith wrote: > > If you have a spot where it'd be nice to do that despite it being > > somewhat (koff).. discouraged shall we say, you have to do > > something > > funky. Thomas had a patch to not raise sirq unconditionally for - > > rt > > to let nohz_full work, but it needs a lock that's converted to an > > rtmutex in -rt, and which doesn't want to be un-converted. Ergo, > > get > > funky. > > I should probably back away slowly at this point.. but got a > reference > to a thread that explains the 'problem'?
https://lkml.org/lkml/2015/4/6/434
| |