Re: [PATCH RFC 0/4] x86/fixmap: Unify FIXADDR_TOP

[Dave Hansen]

On 5/15/23 01:19, Hou Wenlong wrote:
> This patchset unifies FIXADDR_TOP as a variable for x86, allowing the
> fixmap area to be movable and relocated with the kernel image in the
> x86/PIE patchset [0]. This enables the kernel image to be relocated in
> the top 512G of the address space.

What problems does this patch set solve?  How might that solution be
visible to end users?  Why is this problem important to you?

Also, while you're waiting for someone to review _your_ code, have you
considered reviewing anyone else's code?  I don't think I've seen any
review activity from you lately.