[PATCH 0/4] hyper-v: Introduce TSC page for root partition

From: Stanislav Kinsburskii
Date: Tue Nov 01 2022 - 13:31:06 EST


This series does some cleanup and precursor changes to the hyper-v clock
source and introduces support for TSC page based clock in root partition.

Hyper-V root partition requires kernel to map the page, specified by the
hypervisor (instead of provide the PFN to the hypervisor like it's done in
guest partition).

The following series implements...

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Stanislav Kinsburskiy (4):
drivers/clocksource/hyper-v: Introduce a pointer to TSC page
drivers/clocksource/hyper-v: Introduce TSC MSR register structure
drivers/clocksource/hyper-v: Use TSC PFN getter to map vvar page
drivers/clocksource/hyper-v: Add TSC page support for root partition


arch/x86/entry/vdso/vma.c | 7 ++---
arch/x86/hyperv/hv_init.c | 2 +
drivers/clocksource/hyperv_timer.c | 51 ++++++++++++++++++++++++++----------
include/clocksource/hyperv_timer.h | 7 +++++
4 files changed, 49 insertions(+), 18 deletions(-)