[SeaBIOS] [PATCH v2] add acpi pmtimer support

[Avi Kivity]

On 09/02/2012 11:42 PM, Kevin O'Connor wrote:
> On Tue, Aug 14, 2012 at 07:29:19AM +0200, Gerd Hoffmann wrote:
>> This patch makes seabios use the acpi pmtimer instead of tsc for
>> timekeeping.  The pmtimer has a fixed frequency and doesn't need
>> calibration, thus it doesn't suffer from calibration errors due to a
>> loaded host machine.
> 
> The patch looks okay to me, but is it still needed?  (I recall seeing
> something on the kvm list about a bug fix to the main timer.)

Timing will always be fragile in a vm, so I think this can make things
more robust.


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