Messages in this thread | | | Date | Wed, 11 Apr 2001 03:04:30 +0200 | From | Andi Kleen <> | Subject | Re: [PATCH] i386 rw_semaphores fix |
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On Wed, Apr 11, 2001 at 02:56:32AM +0200, David Weinehall wrote: > My reasoning is that the choice of computer is a direct function of > your financial situation. I can get hold of a lot of 386's/486's, but > however old a Pentium may be, people are still reluctant to give away > those. Doing the sometimes necessary updates on my 386:en is already > painfully slow, and I'd rather not take another performance hit.
As long as you don't use multithreaded applications there is no performance hit with a kernel-mode CMPXCHG handler. iirc most multithreaded applications are either too bloated for a 386 anyways, or trivial so that it doesn't matter.
-Andi
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