RE: [PATCH hyperv-next v5 02/11] arm64: hyperv: Use SMCCC to detect hypervisor presence

2025-03-10 Thread Michael Kelley
From: Roman Kisel Sent: Friday, March 7, 2025 2:03 PM > > The arm64 Hyper-V startup path relies on ACPI to detect > running under a Hyper-V compatible hypervisor. That > doesn't work on non-ACPI systems. > > Hoist the ACPI detection logic into a separate function. Then > use the vendor-specific

[PATCH hyperv-next v5 02/11] arm64: hyperv: Use SMCCC to detect hypervisor presence

2025-03-07 Thread Roman Kisel
The arm64 Hyper-V startup path relies on ACPI to detect running under a Hyper-V compatible hypervisor. That doesn't work on non-ACPI systems. Hoist the ACPI detection logic into a separate function. Then use the vendor-specific hypervisor service call (implemented recently in Hyper-V) via SMCCC in