Messages in this thread |  | | Date | Thu, 20 Sep 2001 01:46:48 +0200 | From | Andrea Arcangeli <> | Subject | Re: Deadlock on the mm->mmap_sem |
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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 <andrea@suse.de> 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.
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