Messages in this thread |  | | Date | Thu, 20 Sep 2001 01:34:21 +0200 | From | Andrea Arcangeli <> | Subject | Re: Deadlock on the mm->mmap_sem |
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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 since the last time I benchmarked your generic rwsemaphores, I must have missed you did those changes, sorry, so I'll just drop my rwsem patch and I'll apply yours.
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