Hi

Yeoreum Yun [off-list ref] wrote:

quoted

This series introduces initial support for the SCTLR2_ELx registers in Linux.
The feature is optional starting from ARMv8.8/ARMv9.3,
and becomes mandatory from ARMv8.9/ARMv9.4.

Currently, Linux has no strict need to modify SCTLR2_ELx—
at least assuming that firmware initializes
these registers to reasonable defaults.

However, several upcoming architectural features will require configuring
control bits in these registers.
Notable examples include FEAT_PAuth_LR and FEAT_CPA2.

This series is based on v6.16 and probably KVM-safe but
Not tested yet:
  - nVHE boot.

Okay.

"Probably" and "Not tested yet" are not exactly what we are looking
for when looking at a series that adds support for a new architectural
feature.

Also, a lot of the KVM patches are redundant now that we do have
FEAT_SCTLR2 support in KVM (see what has been merged for 6.17). You
probably want to rebase on -rc1 once it is released, which should cut
the series by half.

I didn't know that and I'll rebase on 6.17-rc1.

Thanks.

--
Sincerely,
Yeoreum Yun