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xen-devel
[Xen-devel] Re: [PATCH] Use hypercalls instead of accessing debug regist
On 8 Jul 2005, at 00:38, Arun Sharma wrote:
Use hypercalls instead of accessing debug registers directly.
Is this based on measurement? If the debug registers aren't on the
critical path its probably not worth the change. If they are, they
should probably be part of a multicall.
It's not on the critical path. We probably should just emulate the
instruction on the GP fault.
I've now added the emulation.
-- keir
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