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From:   Alexander Potapenko <glider@google.com>
Date:   Mon, 21 Mar 2022 15:12:55 +0100
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Subject: Re: [PATCH 13/43] kmsan: add KMSAN runtime core
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     Alexander Viro <viro@zeniv.linux.org.uk>,
        Andrew Morton <akpm@linux-foundation.org>,
        Andrey Konovalov <andreyknvl@google.com>,
        Andy Lutomirski <luto@kernel.org>,
        Arnd Bergmann <arnd@arndb.de>, Borislav Petkov <bp@alien8.de>,
        Christoph Hellwig <hch@lst.de>,
        Christoph Lameter <cl@linux.com>,
        David Rientjes <rientjes@google.com>,
        Dmitry Vyukov <dvyukov@google.com>,
        Eric Dumazet <edumazet@google.com>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        Ilya Leoshkevich <iii@linux.ibm.com>,
        Ingo Molnar <mingo@redhat.com>, Jens Axboe <axboe@kernel.dk>,
        Joonsoo Kim <iamjoonsoo.kim@lge.com>,
        Kees Cook <keescook@chromium.org>,
        Marco Elver <elver@google.com>,
        Matthew Wilcox <willy@infradead.org>,
        "Michael S. Tsirkin" <mst@redhat.com>,
        Pekka Enberg <penberg@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Petr Mladek <pmladek@suse.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Vasily Gorbik <gor@linux.ibm.com>,
        Vegard Nossum <vegard.nossum@oracle.com>,
        Vlastimil Babka <vbabka@suse.cz>,
        Linux Memory Management List <linux-mm@kvack.org>,
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        Mark Rutland <mark.rutland@arm.com>
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> >
> > Just to make sure I don't misunderstand - for example for "kmsan: mm:
> > call KMSAN hooks from SLUB code", would it be better to pull the code
> > in mm/kmsan/core.c implementing kmsan_slab_alloc() and
> > kmsan_slab_free() into that patch?
>
> Yes.
>
> > I thought maintainers would prefer to have patches to their code
> > separated from KMSAN code, but if it's not true, I can surely fix
> > that.
>
> As a maintainer, I want to know what the function call that you just
> added to my subsystem to call does.  Wouldn't you?  Put it all in the
> same patch.

Ok, will be done in v2, thanks!

> Think about submitting a patch series as telling a story.  You need to
> show the progression forward of the feature so that everyone can
> understand what is going on.  To just throw tiny snippets at us is
> impossible to follow along with what your goal is.
>
> You want reviewers to be able to easily see if the things you describe
> being done in the changelog actually are implemented in the diff.
> Dividing stuff up by files does not show that at all.
>
> thanks,
>
> greg k-h


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