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From: Andrey Konovalov <andreyknvl@google.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
	Vincenzo Frascino <vincenzo.frascino@arm.com>,
	 Will Deacon <will.deacon@arm.com>,
	Dmitry Vyukov <dvyukov@google.com>,
	 Andrey Ryabinin <aryabinin@virtuozzo.com>,
	Alexander Potapenko <glider@google.com>,
	 Marco Elver <elver@google.com>,
	Peter Collingbourne <pcc@google.com>,
	Evgenii Stepanov <eugenis@google.com>,
	 Branislav Rankov <Branislav.Rankov@arm.com>,
	Kevin Brodsky <kevin.brodsky@arm.com>,
	 Christoph Hellwig <hch@infradead.org>,
	kasan-dev <kasan-dev@googlegroups.com>,
	 Linux ARM <linux-arm-kernel@lists.infradead.org>,
	 Linux Memory Management List <linux-mm@kvack.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH mm] kasan: export HW_TAGS symbols for KUnit tests
Date: Fri, 12 Feb 2021 21:21:39 +0100	[thread overview]
Message-ID: <CAAeHK+z5pkZkuNbqbAOSN_j34UhohRPhnu=EW-_PtZ88hdNjpA@mail.gmail.com> (raw)
In-Reply-To: <20210212121610.ff05a7bb37f97caef97dc924@linux-foundation.org>

On Fri, Feb 12, 2021 at 9:16 PM Andrew Morton <akpm@linux-foundation.org> wrote:
>
> On Fri, 12 Feb 2021 21:08:52 +0100 Andrey Konovalov <andreyknvl@google.com> wrote:
>
> > Currently, building KASAN-KUnit tests as a module fails with:
> >
> > ERROR: modpost: "mte_enable_kernel" [lib/test_kasan.ko] undefined!
> > ERROR: modpost: "mte_set_report_once" [lib/test_kasan.ko] undefined!
> >
> > This change adds KASAN wrappers for mte_enable_kernel() and
> > mte_set_report_once() and only defines and exports them when KASAN-KUnit
> > tests are enabled.
> >
> > 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.

> Today is pretty much the last day for getting material into 5.11, and
> this patch has been churning somewhat.
>
> So I think it would be better to merge this into 5.12-rc1, with a
> cc:stable so it goes into 5.11.1.
>
> For which we'll need a Fixes:, please?
>
> --
> You received this message because you are subscribed to the Google Groups "kasan-dev" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to kasan-dev+unsubscribe@googlegroups.com.
> To view this discussion on the web visit https://groups.google.com/d/msgid/kasan-dev/20210212121610.ff05a7bb37f97caef97dc924%40linux-foundation.org.


  reply	other threads:[~2021-02-12 20:21 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-12 20:08 [PATCH mm] kasan: export HW_TAGS symbols for KUnit tests Andrey Konovalov
2021-02-12 20:16 ` Andrew Morton
2021-02-12 20:21   ` Andrey Konovalov [this message]
2021-02-12 20:54     ` Andrew Morton
2021-02-12 21:01       ` Andrey Konovalov
2021-02-12 21:08         ` Andrew Morton
2021-02-12 21:10           ` Andrey Konovalov

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