clocksource: hyper-v: Introduce TSC PFN getter

And rework the code to use it instead of the physical address, which isn't
required by itself.

This is a cleanup and precursor patch for upcoming support for TSC page
mapping into Microsoft Hypervisor root partition, where TSC PFN will be
defined by the hypervisor and not by the kernel.

Signed-off-by: Stanislav Kinsburskiy <[email protected]>
CC: "K. Y. Srinivasan" <[email protected]>
CC: Haiyang Zhang <[email protected]>
CC: Wei Liu <[email protected]>
CC: Dexuan Cui <[email protected]>
CC: Daniel Lezcano <[email protected]>
CC: Thomas Gleixner <[email protected]>
CC: [email protected]
CC: [email protected]
Reviewed-by: Michael Kelley <[email protected]>
Reviewed-by: Anirudh Rayabharam <[email protected]>
Link: https://lore.kernel.org/r/166749833420.218190.2102763345349472395.stgit@skinsburskii-cloud-desktop.internal.cloudapp.net
Signed-off-by: Wei Liu <[email protected]>

0 files changed, 0 insertions, 0 deletions