Subject: Re: lock performance on i386
To: David Laight <firstname.lastname@example.org>
From: Jason R Thorpe <email@example.com>
Date: 09/19/2002 12:04:40
On Thu, Sep 19, 2002 at 07:30:05PM +0100, David Laight wrote:
> Which means that if the lock is contended then the cpu is
> doing continuous, expensive, locked operations on the bus.
> Which, IIRC, force a cache snoop? cycle on all the cpus.
Yes, this is a known issue. It's easy to fix, just haven't done it yet.
-- Jason R. Thorpe <firstname.lastname@example.org>