[PATCH v3 0/2] Add support for clean shutdown with MSHV

From: Praveen K Paladugu

Date: Mon Oct 27 2025 - 16:29:07 EST


Add support for clean shutdown of the root partition when running on MSHV
hypervisor.

v3:
- Dropped acpi_sleep handlers as they are not used on mshv
- Applied ordering for hv_reboot_notifier
- Fixed build issues on i386, arm64 architectures

v2:
- Addressed review comments from v1.
- Moved all sleep state handling methods under CONFIG_ACPI stub
- - This fixes build issues on non-x86 architectures.

Praveen K Paladugu (2):
hyperv: Add definitions for MSHV sleep state configuration
hyperv: Enable clean shutdown for root partition with MSHV

arch/x86/hyperv/hv_init.c | 8 +++
arch/x86/include/asm/mshyperv.h | 2 +
drivers/hv/mshv_common.c | 103 ++++++++++++++++++++++++++++++++
include/hyperv/hvgdk_mini.h | 4 +-
include/hyperv/hvhdk_mini.h | 33 ++++++++++
5 files changed, 149 insertions(+), 1 deletion(-)

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2.51.0