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Date:      Sat, 12 Oct 2002 22:19:31 +0100
From:      Ian Dowse <iedowse@maths.tcd.ie>
To:        Jim Pirzyk <jim@pirzyk.org>
Cc:        Tim Robbins <tjr@FreeBSD.ORG>, freebsd-current@FreeBSD.ORG
Subject:   Re: -CURRENT running really slow under vmware2 
Message-ID:   <200210122219.aa22261@salmon.maths.tcd.ie>
In-Reply-To: Your message of "Sat, 12 Oct 2002 12:04:57 PDT." <200210121204.57782.jim@pirzyk.org> 

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In message <200210121204.57782.jim@pirzyk.org>, Jim Pirzyk writes:
>I would think we need to at least patch current for this case.  Enclosed
>is a possible implementation.  Comments?

I think I tried this before, and puting the option in opt_cpu.h
does not work, because not all files that include atomic.h will
include opt_cpu.h. The other options referenced in atomic.h are all
in opt_global.h, so CPU_DISABLE_CMPXCHG needs to go there too (note
that the instruction is called cmpxchg, not cmpxfhg BTW).

Ian

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