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Date:      Thu, 05 Sep 2002 23:56:51 -0600 (MDT)
From:      "M. Warner Losh" <imp@bsdimp.com>
To:        jhb@FreeBSD.org
Cc:        cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org
Subject:   Re: cvs commit: src/sys/i386/pci pci_cfgreg.c
Message-ID:  <20020905.235651.39463619.imp@bsdimp.com>
In-Reply-To: <XFMail.20020905131424.jhb@FreeBSD.org>
References:  <200209051707.g85H780f056337@freefall.freebsd.org> <XFMail.20020905131424.jhb@FreeBSD.org>

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On 05-Sep-2002 John Baldwin wrote:
>Speaking of the interrupt routing table, there is a BIOS call you can
>make to retrieve the darn thing and we should probably do that first
>and only search memory to find one if the BIOS call fails.  Comments?

I found that the BIOS call was completely unreliable on too many
machines to be a viable alternative.  It was added late in the game,
and many folks don't implement it quite right.

Warner

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