linux-kernel - Re: [PATCH v4 17/45] init: kmsan: call KMSAN initialization routines

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Message-ID: <CANpmjNNSYgYHeA91QB8dU=_n73Ut3azY6EZT8cd6D-FcWZGw0w@mail.gmail.com>
Date:   Wed, 3 Aug 2022 11:08:51 +0200
From:   Marco Elver <elver@...gle.com>
To:     Alexander Potapenko <glider@...gle.com>
Cc:     Alexander Viro <viro@...iv.linux.org.uk>,
        Alexei Starovoitov <ast@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Andrey Konovalov <andreyknvl@...gle.com>,
        Andy Lutomirski <luto@...nel.org>,
        Arnd Bergmann <arnd@...db.de>, Borislav Petkov <bp@...en8.de>,
        Christoph Hellwig <hch@....de>,
        Christoph Lameter <cl@...ux.com>,
        David Rientjes <rientjes@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Ilya Leoshkevich <iii@...ux.ibm.com>,
        Ingo Molnar <mingo@...hat.com>, Jens Axboe <axboe@...nel.dk>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Kees Cook <keescook@...omium.org>,
        Mark Rutland <mark.rutland@....com>,
        Matthew Wilcox <willy@...radead.org>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Pekka Enberg <penberg@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Petr Mladek <pmladek@...e.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Vegard Nossum <vegard.nossum@...cle.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        kasan-dev <kasan-dev@...glegroups.com>,
        Linux Memory Management List <linux-mm@...ck.org>,
        Linux-Arch <linux-arch@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 17/45] init: kmsan: call KMSAN initialization routines

On Tue, 2 Aug 2022 at 22:08, Alexander Potapenko <glider@...gle.com> wrote:
>
> On Tue, Jul 12, 2022 at 4:05 PM Marco Elver <elver@...gle.com> wrote:
> >
>
> > > +/**
> > > + * kmsan_task_exit() - Notify KMSAN that a task has exited.
> > > + * @task: task about to finish.
> > > + */
> > > +void kmsan_task_exit(struct task_struct *task);
> >
> > Something went wrong with patch shuffling here I think,
> > kmsan_task_create + kmsan_task_exit decls are duplicated by this
> > patch.
> Right, I've messed it up. Will fix.
>
> > > +
> > > +struct page_pair {
> >
> > 'struct shadow_origin_pages' for a more descriptive name?
> How about "metadata_page_pair"?

Sure - this is local anyway, but page_pair was too generic.