Re: [tip:core/locking] locking, x86: Slightly shorten __ticket_spin_trylock()

[Avi Kivity]

On 12/02/2009 04:25 PM, Jan Beulich wrote:
> > > > Avi Kivity<avi@xxxxxxxxxx>  02.12.09 15:12>>>
> > > >          
> > Wouldn't 'u8 ret', as an additional argument be sufficient? gcc still
> > ought to be able to use the same register for new and ret if we remove
> > the early clobber.
> >      
> We can't (validly) remove the early-clobber, otherwise the compiler
> would be permitted to use a register also used for addressing the lock
> structure for "new".
>    

I meant for 'ret'.

--
error compiling committee.c: too many arguments to function

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