[PATCH v1 0/2] KVM: arm64: Making BT Field in ID_AA64PFR1_EL1 writable

Oliver Upton oliver.upton at linux.dev
Mon Jun 17 10:40:36 PDT 2024


On Mon, Jun 17, 2024 at 03:51:29AM -0400, Shaoqin Huang wrote:
> In this patch series, we try to make more register fields writable like
> ID_AA64PFR1_EL1.BT since this can benifit the migration between some of the
> machines which have different BT values.
> 
> Changelog:
> ----------
> RFCv1 -> v1:
>   * Fix the compilation error.
>   * Delete the machine specific information and make the description more
>     generable.

Can you please address Marc's feedback?

If we only make things writable a field at a time it's going to take
forever to catch up w/ the architecture.

https://lore.kernel.org/kvmarm/86zfrpjkt6.wl-maz@kernel.org/

-- 
Thanks,
Oliver



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