lkml.org 
[lkml]   [2010]   [Jul]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2] KVM: IOAPIC: only access APIC registers one dword at a time
On Mon, Jul 05, 2010 at 11:47:06AM +0800, Xiao Guangrong wrote:
> > There might be guests that use incorrect access despite the
> > documentation; if real hardware supports it, it should work. So we need
> > to start with just a warning, and allow the access. Later we can drop
> > the invalid access.
>
> If the OS contravene the spec, i thinks it's the OS's bug, also, i have tested some versions
> windows/linux guests, it's no broken, can we directly drop the other wide access?
>
If reality contradicts spec we should emulate reality. I vaguely
remember some guest using memcpy on apic page for instance.

--
Gleb.


\
 
 \ /
  Last update: 2010-07-05 08:27    [W:0.063 / U:0.744 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site