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Date:      Tue, 8 Feb 2005 10:38:12 +0000 (GMT)
From:      Robert Watson <rwatson@FreeBSD.org>
To:        Scott Long <scottl@FreeBSD.org>
Cc:        cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/dev/twe twe.c twe_freebsd.c
Message-ID:  <Pine.NEB.3.96L.1050208103744.95767D-100000@fledge.watson.org>
In-Reply-To: <200502080343.j183h2Nt041950@repoman.freebsd.org>

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On Tue, 8 Feb 2005, Scott Long wrote:

>   Fix crashdumps on twe.  The twe_immediate_request() path was not only
>   copying data to a temporary buffer before the I/O, but also copying that
>   temporary buffer back to the original data location after the I/O.  When
>   you're dumping kernel heap and stack and protected pages, this is very
>   very bad.
>   
>   A belated thanks to Robert Watson for donating hardware for this (and future)
>   work.
>   
>   MFC after: 3 days

Wonderful, thanks!  I and the rest of the 3ware-consuming world will
appreciate this much :-).

Robert N M Watson




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