On Fri, 10 Jun 2022 16:21:37 +0100, Catalin Marinas wrote: > That's a second attempt on fixing the race race between setting the > allocation (in-memory) tags in a page and the corresponding logical tag > in page->flags. Initial version here: > > https://lore.kernel.org/r/20220517180945.756303-1-catalin.marinas@xxxxxxx > > This new series does not introduce any new GFP flags but instead always > skips unpoisoning of the user pages (we already skip the poisoning on > free). Any unpoisoned page will have the page->flags tag reset. > > [...] Applied to arm64 (for-next/mte), thanks! [1/4] mm: kasan: Ensure the tags are visible before the tag in page->flags https://git.kernel.org/arm64/c/ed0a6d1d973e [2/4] mm: kasan: Skip unpoisoning of user pages https://git.kernel.org/arm64/c/70c248aca9e7 [3/4] mm: kasan: Skip page unpoisoning only if __GFP_SKIP_KASAN_UNPOISON https://git.kernel.org/arm64/c/6d05141a3930 [4/4] arm64: kasan: Revert "arm64: mte: reset the page tag in page->flags" https://git.kernel.org/arm64/c/20794545c146 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev
