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Date:      Mon, 15 Jul 2002 16:30:51 -0700
From:      Peter Wemm <peter@wemm.org>
To:        cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/i386/i386 db_interface.c 
Message-ID:  <20020715233051.0FC833811@overcee.wemm.org>
In-Reply-To: <200207152311.g6FNBnig043194@freefall.freebsd.org> 

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Peter Wemm wrote:
> peter       2002/07/15 16:11:49 PDT
> 
>   Modified files:
>     sys/i386/i386        db_interface.c 
>   Log:
>   The pmap_invalidate_all() here is definately not a good idea. We are
>   running with interrupts disabled, other cpus locked down, and only
>   making a temporary local mapping that we immediately back out again.

This should not have worked before..  It did do a shootdown IPI, but didn't
wait for completion.  I'm suprised we didn't get reports of the APIC not
being ready on SMP systems.

Cheers,
-Peter
--
Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com
"All of this is for nothing if we don't go to the stars" - JMS/B5


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