(subset) [PATCH v6 0/6] Add PSCI v1.3 SYSTEM_OFF2 support for hibernation

David Woodhouse dwmw2 at infradead.org
Thu Oct 31 11:01:17 PDT 2024


On Thu, 2024-10-31 at 17:56 +0000, Oliver Upton wrote:
> On Sat, 19 Oct 2024 18:15:41 +0100, David Woodhouse wrote:
> > The PSCI v1.3 spec (https://developer.arm.com/documentation/den0022)
> > adds support for a SYSTEM_OFF2 function enabling a HIBERNATE_OFF state
> > which is analogous to ACPI S4. This will allow hosting environments to
> > determine that a guest is hibernated rather than just powered off, and
> > ensure that they preserve the virtual environment appropriately to
> > allow the guest to resume safely (or bump the hardware_signature in the
> > FACS to trigger a clean reboot instead).
> > 
> > [...]
> 
> Thanks Catalin for the ack, as promised:
> 
> Applied to kvmarm/next, thanks!
> 
> [6/6] arm64: Use SYSTEM_OFF2 PSCI call to power off for hibernate
>       https://git.kernel.org/kvmarm/kvmarm/c/3e251afaec9a

Thank you.
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