Messages in this thread | | | Date | Thu, 15 Aug 2013 16:46:00 +0200 | From | Michal Hocko <> | Subject | Re: [Bug] Reproducible data corruption on i5-3340M: Please revert 53a59fc67! |
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On Thu 15-08-13 15:40:31, Michal Hocko wrote: > On Thu 15-08-13 05:02:31, Linus Torvalds wrote: > > On Thu, Aug 15, 2013 at 2:25 AM, Ben Tebulin <tebulin@googlemail.com> wrote: > > > > > > I just cherry-picked e6c495a96ce0 into 3.9.11 and 3.7.10. > > > Unfortunately this does _not resolve_ my issue (too good to be true) :-( > > > > Ho humm. I've found at least one other bug, but that one only affects > > hugepages. Do you perhaps have transparent hugepages enabled? But even > > then it looks quite unlikely. > > __unmap_hugepage_range is hugetlb not THP if you had that one in mind. > And yes, it doesn't set the range which sounds buggy.
Or, did you mean tlb_remove_page called from zap_huge_pmd? That one should be safe as tlb_remove_pmd_tlb_entry sets need_flush and that means that the full range is flushed.
-- Michal Hocko SUSE Labs
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