Re: [patch] increase spinlock-debug looping timeouts (write_lock and NMI)

From: Ingo Molnar
Date: Tue Jun 20 2006 - 04:36:53 EST



* Nick Piggin <nickpiggin@xxxxxxxxxxxx> wrote:

> Otherwise, a straight rwlock->spinlock conversion will have a few more
> scalability issues, but I'd guess it wouldn't be a problem at all for
> most workloads on most systems.

curious, do you have any (relatively-) simple to run testcase that
clearly shows the "scalability issues" you mention above, when going
from rwlocks to spinlocks? I'd like to give it a try on an 8-way box.

Ingo
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