Re: x86: Allow vmalloc faults from NMI context

2014-04-10 Thread Steven Rostedt
On Thu, 10 Apr 2014 16:40:03 +0200 Peter Zijlstra wrote: > Jiri reported he hit vmalloc_faults()'s: > > WARN_ON_ONCE(in_nmi()); > > The patch that added this ebc8827f75954 ("x86: Barf when vmalloc and > kmemcheck faults happen in NMI") explains that this was done in order to > avoid faults fr

x86: Allow vmalloc faults from NMI context

2014-04-10 Thread Peter Zijlstra
Jiri reported he hit vmalloc_faults()'s: WARN_ON_ONCE(in_nmi()); The patch that added this ebc8827f75954 ("x86: Barf when vmalloc and kmemcheck faults happen in NMI") explains that this was done in order to avoid faults from NMI to cause nested NMIs. We have, however, completely fixed this iss