From: Holger Steinhaus <hsteinhaus@gmx.de>
To: xen-devel@lists.xensource.com
Subject: Re: Writing MSRs from Domain0
Date: Fri, 06 Oct 2006 14:23:03 +0200 [thread overview]
Message-ID: <45264AA7.9060702@gmx.de> (raw)
In-Reply-To: <C14BDE70.2251%Keir.Fraser@cl.cam.ac.uk>
> Add the powernow MSRs to the white list (a switch statement ;-) in
> emulate_privileged_op in xen/arch/x86/traps.c. This will allow the write to
> succeed. Ensure you have a 1:1 correspondence between virtual CPUs and
> physical CPUs for domain 0 (i.e., VCPU0 pinned to PPU0, etc). Cross your
> fingers. :-)
>
Thanks, thats the solution for my problem.
Unfortunately, Xen now runs into timer trouble, if the frequency
switches ("Time went backwards"). This problem seems to be caused by the
PIT timer, as the recommended HPET timer is not supported by my hardware.
Regards,
Holger
next prev parent reply other threads:[~2006-10-06 12:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-06 9:11 Writing MSRs from Domain0 Holger Steinhaus
2006-10-06 9:20 ` Keir Fraser
2006-10-06 12:23 ` Holger Steinhaus [this message]
2006-10-06 12:54 ` Keir Fraser
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