[Ksummit-discuss] [CORE TOPIC] More useful types in the linux kernel
David Howells
dhowells at redhat.com
Thu Jul 28 07:12:58 UTC 2016
Steven Rostedt <rostedt at goodmis.org> wrote:
> > (2) Differentiate non-BH spinlocks and BH spinlocks by type.
> >
> > It seems like you can't mix BH and non-BH ops on a spinlock without
> > lockdep barking. If that's the case, let's make this a compile-time
> > check.
> >
>
> Not sure what you mean here. You can use BH spinlocks as non BH
> spinlocks while in a BH, or if BH is already disabled, and lockdep will
> not complain.
Okay, fair enough.
David
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