On 06/26/2010 02:24 AM, Alexander Graf wrote:
One of the most obvious registers to share with the guest directly is the
MSR. The MSR contains the "interrupts enabled" flag which the guest has to
toggle in critical sections.
So in order to bring the overhead of interrupt en- and disabling down, let's
put msr into the shared page. Keep in mind that even though you can fully read
its contents, writing to it doesn't always update all state. There are a few
safe fields that don't require hypervisor interaction. See the guest
implementation that follows later for reference.
You mean, see the documentation for reference.
It should be possible to write the guest code looking only at the
documentation.
--
error compiling committee.c: too many arguments to function
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