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xen/PMU: PMU emulation code
authorBoris Ostrovsky <boris.ostrovsky@oracle.com>
Mon, 10 Aug 2015 20:34:37 +0000 (16:34 -0400)
committerDavid Vrabel <david.vrabel@citrix.com>
Thu, 20 Aug 2015 11:25:26 +0000 (12:25 +0100)
commitbf6dfb154d935725c9a2005033ca33017b9df439
tree8dac472d0de8b67e8c3f5fd069db856655fba2fetree
parent6b08cd6328c58a2ae190c5ee03a2ffcab5ef828ecommit | diff
xen/PMU: PMU emulation code

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>
arch/x86/xen/pmu.c diff | blob | blame | history
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