Re: [PATCH 06/18] x86/ticketlock: make __ticket_spin_trylock common

[Andi Kleen]

On Wed, Aug 24, 2011 at 02:38:12PM -0700, Linus Torvalds wrote:
> On Wed, Aug 24, 2011 at 1:00 PM, Andi Kleen <andi@xxxxxxxxxxxxxx> wrote:
> >
> > Can't we just get rid of the small ticket size code path?
> >
> > I couldn't benchmark any difference between the two last time
> > I tried.
> 
> The small locks aren't any faster. They are just smaller.

Are you sure? 

AFAIK it's always

typedef struct arch_spinlock {
        unsigned int slock;
} arch_spinlock_t;

-Andi
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