Re: [RFC 2/2] PM: Lock all devices during suspend/hibernate

Rafael J. Wysocki
2007-08-01T15:37:52Z

On Wednesday, 1 August 2007 16:11, Alan Stern wrote:
> On Wed, 1 Aug 2007, Rafael J. Wysocki wrote:
>
> > > +static DECLARE_RWSEM(device_registration_rwsem);
> >
> > Is it only intended for device registration, or can it be used in some other
> > code paths too?
>
> The patch uses it only for registration, since that's where it is
> needed. I suppose it could be used on other paths as well, if anybody
> wanted to make something else mutually exclusive with suspend.
> (Although then it probably ought to be renamed...)

That was exactly my thought. Why don't we give it a more general name from
the start?

Greetings,
Rafael

--
"Premature optimization is the root of all evil." - Donald Knuth