Re: [tip: x86/mm] x86/mm/pat: Fix VM_PAT handling when fork() fails in copy_page_range()

From: Borislav Petkov
Date: Wed Mar 19 2025 - 05:57:44 EST


On Wed, Mar 19, 2025 at 09:15:25AM +0100, David Hildenbrand wrote:
> @Ingo, can you drop this patch for now? It's supposed to be "!get_pat_info"
> here, and I want to re-verify now that a couple of months passed, whether
> it's all working as expected with that.
>
> (we could actually complain if get_pat_info() would fail at this point, let
> me think about that)
>
> I'll resend once I get to it. Thanks!

That patch is deep into the x86/mm branch. We could

- rebase: not good, especially one week before the merge window

- send a revert: probably better along with an explanation why we're reverting

- do a small fix which disables it ontop

- fix it properly: probably best! :-)

Thx.

--
Regards/Gruss,
Boris.

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