[PATCH v6] KVM: arm64: Add early_param to control WFx trapping

Oliver Upton oliver.upton at linux.dev
Fri Jun 14 13:12:27 PDT 2024


On Thu, 23 May 2024 17:40:55 +0000, Colton Lewis wrote:
> Add an early_params to control WFI and WFE trapping. This is to
> control the degree guests can wait for interrupts on their own without
> being trapped by KVM. Options for each param are trap and notrap. trap
> enables the trap. notrap disables the trap. Note that when enabled,
> traps are allowed but not guaranteed by the CPU architecture. Absent
> an explicitly set policy, default to current behavior: disabling the
> trap if only a single task is running and enabling otherwise.
> 
> [...]

Applied to kvmarm/next, thanks!

[1/1] KVM: arm64: Add early_param to control WFx trapping
      https://git.kernel.org/kvmarm/kvmarm/c/0b5afe05377d

--
Best,
Oliver



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