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From:   Daniel Axtens <dja@axtens.net>
To:     Marco Elver <elver@google.com>
Cc:     LKML <linux-kernel@vger.kernel.org>,
        Linux Memory Management List <linux-mm@kvack.org>,
        linuxppc-dev@lists.ozlabs.org,
        kasan-dev <kasan-dev@googlegroups.com>,
        Christophe Leroy <christophe.leroy@csgroup.eu>,
        aneesh.kumar@linux.ibm.com, Balbir Singh <bsingharora@gmail.com>,
        "Aneesh Kumar K . V" <aneesh.kumar@linux.vnet.ibm.com>
Subject: Re: [PATCH v12 2/6] kasan: allow architectures to provide an
 outline readiness check
In-Reply-To: <CANpmjNN2=gdDBPzYQYsmOtLQVVjSz2qFcwcTMEqB=s_ZWndJLg@mail.gmail.com>
References: <20210615014705.2234866-1-dja@axtens.net>
 <20210615014705.2234866-3-dja@axtens.net>
 <CANpmjNN2=gdDBPzYQYsmOtLQVVjSz2qFcwcTMEqB=s_ZWndJLg@mail.gmail.com>
Date:   Wed, 16 Jun 2021 14:41:39 +1000
Message-ID: <87fsxiv2t8.fsf@dja-thinkpad.axtens.net>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

Hi Marco,
>> +       /* Don't touch the shadow memory if arch isn't ready */
>> +       if (!kasan_arch_is_ready())
>> +               return;
>> +
>
> What about kasan_poison_last_granule()? kasan_unpoison() currently
> seems to potentially trip on that.

Ah the perils of rebasing an old series! I'll re-audit the generic code
for functions that touch memory and make sure I have covered them all.

Thanks for the review.

Kind regards,
Daniel

>
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