Re: [PATCH] rwlock_is_locked undefined for UP systems

[Joe Thornber]

On Fri, Jan 16, 2004 at 02:55:50PM +0100, Arjan van de Ven wrote:
> On Fri, 2004-01-16 at 14:45, Prashanth T wrote:
> > Hi,
> >     I had to use rwlock_is_locked( ) with linux2.6 for kdb and noticed that
> > this routine to be undefined for UP.  I have attached the patch for 2.6.1
> > below to return 0 for rwlock_is_locked( ) on UP systems.
> > Please let me know.
> 
> I consider any user of this on UP to be broken, just like UP use of
> spin_is_locked() is always a bug..... better a compiletime bug than a
> runtime bug I guess...

Then maybe a #error explaining this is in order ?

- Joe


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