| Date | Wed, 13 Jul 2022 12:22:52 +0200 | From | Marco Elver <> | Subject | Re: [PATCH v4 29/45] block: kmsan: skip bio block merging logic for KMSAN |
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On Fri, Jul 01, 2022 at 04:22PM +0200, 'Alexander Potapenko' via kasan-dev wrote: [...] > --- a/block/bio.c > +++ b/block/bio.c > @@ -867,6 +867,8 @@ static inline bool page_is_mergeable(const struct bio_vec *bv, > return false; > > *same_page = ((vec_end_addr & PAGE_MASK) == page_addr); > + if (!*same_page && IS_ENABLED(CONFIG_KMSAN)) > + return false; > if (*same_page) > return true;
if (*same_page) return true; else if (IS_ENABLED(CONFIG_KMSAN)) return false;
> return (bv->bv_page + bv_end / PAGE_SIZE) == (page + off / PAGE_SIZE);
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