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Re: [Xen-devel] Keyboard I/O port reservation
| To: | Markus Armbruster <armbru@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Keyboard I/O port reservation |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Thu, 24 Jul 2008 08:16:05 +0100 |
| Cc: | Peter Martuccelli <peterm@xxxxxxxxxx> |
| Delivery-date: | Thu, 24 Jul 2008 00:16:31 -0700 |
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| Thread-topic: | [Xen-devel] Keyboard I/O port reservation |
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On 24/7/08 00:01, "Markus Armbruster" <armbru@xxxxxxxxxx> wrote:
> arch/{i386,x86_64}/kernel/setup*.c reserve ports 0x60 to 0x6f for the
> i8042 keyboard controller. That critter actually uses just 0x60 and
> 0x64. Apparently, there's hardware out there (IPMI controller on some
> single board computer) that uses other ports in the reserved range.
> Upstream narrowed the I/O port reservation to make that hardware
> work[*].
>
> I figure simply aping upstream's change in the two setup-xen.c should
> do for Xen. Right?
Almost certainly.
> Do we want that in linux-2.6.18-xen.hg?
Happy to have it.
Thanks,
Keir
> [*]
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=90
> 96bd7a66efbe406910365c5206a32eed3875af
>
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