lkml.org 
[lkml]   [2008]   [Jun]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] x86: update mptable v7
On Wed, Jun 18, 2008 at 11:28 PM, H. Peter Anvin <hpa@zytor.com> wrote:
> Yinghai Lu wrote:
>>>
>>> Can somebody clue me into why this concept
>>> is something other than totally insane?
>>
>> for system that have 6 pcie slots and more, with full populated cards.
>> when boot with mptable, BIOS will use irq < 16 for all pci devices,
>> and several devices will share same irq.
>> but when acpi is enabled, irqs are spanned all over.
>>
>> also when pci card with several pci bridges is plugged in, the mptable
>> is totally messed up, some slot will work, and some doesn't work.
>
> And the reason to worry about supporting non-ACPI on such hardware is what?

1. some other os doesn't support acpi well, and still use mptable.
2. show BIOS engineer how to fix mptable.

YH


\
 
 \ /
  Last update: 2008-06-19 08:39    [W:0.075 / U:0.596 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site