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Date:      Wed, 23 Feb 2000 18:26:46 -0600
From:      "Jason" <jsmethers@pdq.net>
To:        <freebsd-smp@freebsd.org>
Subject:   Checksuming
Message-ID:  <00e301bf7e5d$d6457e00$3c2876d8@pdq.net>

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This patch should add the simple checksuming of the MP Floating Point
Structure, MP Configuration Table Header base and later support for
checksuming of the MP Configuration Table Header extended table if its use
is ever incorporated.

Who knows whatever could cause corruption of these tables, but FreeBSD as
now uses these tables with out any validation. This simple validation could
be a start.

These patches are to the Intel Multiprocessor Specification 1.4 though are
untested because of my lack of SMP equipment, but they do apply and compile
to -current.

It is currently available at http://216.118.40.103/~jason/mpchecksum-1.patch
and hopefully will be there for a while (machine is dhcp, but ip seems
stable).

Any sort of feed back welcome.

Thanks
- Jason (who wishes he could scroundge up enough money for an smp box)




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