[PATCH v3] KVM: arm64: Make the exposed feature bits in AA64DFR0_EL1 writable from userspace

Marc Zyngier maz at kernel.org
Thu Aug 22 10:07:44 PDT 2024


On Fri, 16 Aug 2024 14:28:19 +0100, Shameer Kolothum wrote:
> KVM exposes the OS double lock feature bit to Guests but returns
> RAZ/WI on Guest OSDLR_EL1 access. This breaks Guest migration between
> systems where this feature differ. Add support to make this feature
> writable from userspace by setting the mask bit. While at it, set the
> mask bits for the exposed WRPs(Number of Watchpoints) as well.
> Also update the selftest to cover these fields.
> 
> [...]

Applied to next, thanks!

[1/1] KVM: arm64: Make the exposed feature bits in AA64DFR0_EL1 writable from userspace
      commit: 980c41f554c3029ce4f99678c0cd95296212775f

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.





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