linux-kernel - Re: [PATCH mm] kasan: export HW

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Message-Id: <20210212125454.b660a3bf3e9945515f530066@linux-foundation.org>
Date:   Fri, 12 Feb 2021 12:54:54 -0800
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Andrey Konovalov <andreyknvl@...gle.com>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        Will Deacon <will.deacon@....com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Alexander Potapenko <glider@...gle.com>,
        Marco Elver <elver@...gle.com>,
        Peter Collingbourne <pcc@...gle.com>,
        Evgenii Stepanov <eugenis@...gle.com>,
        Branislav Rankov <Branislav.Rankov@....com>,
        Kevin Brodsky <kevin.brodsky@....com>,
        Christoph Hellwig <hch@...radead.org>,
        kasan-dev <kasan-dev@...glegroups.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH mm] kasan: export HW_TAGS symbols for KUnit tests

On Fri, 12 Feb 2021 21:21:39 +0100 Andrey Konovalov <andreyknvl@...gle.com> wrote:

> > > The wrappers aren't defined when tests aren't enabled to avoid misuse.
> > > The mte_() functions aren't exported directly to avoid having low-level
> > > KASAN ifdefs in the arch code.
> > >
> >
> > Please confirm that this is applicable to current Linus mainline?
> 
> It's not applicable. KUnit tests for HW_TAGS aren't supported there,
> the patches for that are in mm only. So no need to put it into 5.11.

So... which -mm patch does this patch fix?