xen/PMU: PMU emulation code

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Add PMU emulation code that runs when we are processing a PMU interrupt.
This code will allow us not to trap to hypervisor on each MSR/LVTPC access
(of which there may be quite a few in the handler).

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>

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Boris Ostrovsky 2015-08-10 16:34:37 -04:00 • committed by David Vrabel

parent 6b08cd6328

commit bf6dfb154d

1 changed files with 185 additions and 29 deletions

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arch/x86/xen/pmu.c

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