On Mon, Sep 12, 2022 at 10:52:45AM +0100, Catalin Marinas wrote:
I missed this (holidays) and it looks like it's in stable already. On its own it will likely break kasan_hw if used together with user-space MTE as this change relies on two previous commits: 70c248aca9e7 ("mm: kasan: Skip unpoisoning of user pages") 6d05141a3930 ("mm: kasan: Skip page unpoisoning only if __GFP_SKIP_KASAN_UNPOISON") The reason I did not cc stable is that there are other dependencies in this area. The potential issues without the above commits were rather theoretical, so take these patches rather as clean-ups/refactoring than fixes.
And I've missed Will's mail too - sorry about that. I've reverted it from the 5.19 & 5.15 trees which is the only ones where this change was ended up being backported to. -- Thanks, Sasha