Re: Deadlock on the mm->mmap_sem

[Andrea Arcangeli]

On Thu, Sep 20, 2001 at 01:34:21AM +0200, Andrea Arcangeli wrote:
> On Thu, Sep 20, 2001 at 12:25:40AM +0100, David Howells wrote:
> > 
> > Andrea Arcangeli <[e-mail]> wrote:
> > > On Wed, Sep 19, 2001 at 07:26:33PM +0100, David Howells wrote:
> > > > > if we go generic then I strongly recommend my version of the generic
> > > > > semaphores is _much_ faster (and cleaner) than this one
> > > >
> > > > Not so:-) Your patch, Andrea, grabs the spinlock far more than is necessary.
> > > 
> > > then why your microbenchmarks says my version is much faster?
> > 
> > They don't:
> 
> ok, so I drop my objections, you must have changed something radical

hey no! It was a very unfair comparison! my rwsem are non inlined, yours
are.

Andrea