[PATCH v1 0/4] Fix a bug in VGIC ITS tables' save/restore

[Oliver Upton]

Hi Jing,

On Tue, Nov 05, 2024 at 11:34:18AM -0800, Jing Zhang wrote:
> The core issue stems from the static linked list implementation of DTEs/ITEs,
> requiring a full table scan to locate the list head during restoration. This
> scan increases the likelihood of encountering orphaned entries.  To rectify
> this, the patch series introduces a dummy head to the list, enabling immediate
> access to the list head and bypassing the scan. This optimization not only
> resolves the bug but also significantly enhances restore performance,
> particularly in edge cases where valid entries reside at the end of the table.

I think we need a more targeted fix (i.e. Kunkun's patch) to stop the
bleeding + backport it to stable.

Then we can have a separate discussion about improving the save/restore
performance with your approach.

-- 
Thanks,
Oliver