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Date:      Wed, 24 Apr 2002 13:29:55 -0400 (EDT)
From:      John Baldwin <jhb@FreeBSD.org>
To:        Warner Losh <imp@FreeBSD.org>
Cc:        cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org
Subject:   RE: cvs commit: src/sys/i386/pci pci_cfgreg.c
Message-ID:  <XFMail.20020424132955.jhb@FreeBSD.org>
In-Reply-To: <200204241530.g3OFUCL52082@freefall.freebsd.org>

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On 24-Apr-2002 Warner Losh wrote:
> imp         2002/04/24 08:30:12 PDT
> 
>   Modified files:
>     sys/i386/pci         pci_cfgreg.c 
>   Log:
>   o Work around bugs in the powerof2 macro: It thinks that 0 is a power of
>     2, but that's not the case.  This fixes the case where there were slots
>     in the PIR table that had no bits set, but we assumed they did and used
>     strange results as a result.
>   o Map invalid INTLINE registers to 255 in pci_cfgreg.c.  This should allow
>     us to remove the bogus checks in MI code for non-255 values.
>   
>   I put these changes out for review a while ago, but no one responded
>   to them, so into current they go.
>   
>   This should help us work better on machines that don't route
>   interrupts in the traditional way.
>   
>   MFC After: 4286 millifortnights

2 months?

-- 

John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

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