linux-kernel - Re: [PATCH 15/18] lib/stacktrace, kasan, kmsan: rework extra

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Date:   Thu, 2 Feb 2023 11:04:14 +0100
From:   Alexander Potapenko <glider@...gle.com>
To:     Andrey Konovalov <andreyknvl@...il.com>
Cc:     Marco Elver <elver@...gle.com>, andrey.konovalov@...ux.dev,
        Vlastimil Babka <vbabka@...e.cz>, kasan-dev@...glegroups.com,
        Evgenii Stepanov <eugenis@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        Andrey Konovalov <andreyknvl@...gle.com>
Subject: Re: [PATCH 15/18] lib/stacktrace, kasan, kmsan: rework extra_bits interface

On Tue, Jan 31, 2023 at 7:58 PM Andrey Konovalov <andreyknvl@...il.com> wrote:
>
> On Tue, Jan 31, 2023 at 9:54 AM Marco Elver <elver@...gle.com> wrote:
> >
> > > +depot_stack_handle_t stack_depot_set_extra_bits(depot_stack_handle_t handle,
> > > +                                               unsigned int extra_bits);
> >
> > Can you add __must_check to this function? Either that or making
> > handle an in/out param, as otherwise it might be easy to think that it
> > doesn't return anything ("set_foo()" seems like it sets the
> > information in the handle-associated data but not handle itself ... in
> > case someone missed the documentation).
>
> Makes sense, will do in v2 if Alexander doesn't object to the
> interface change. Thanks!

I do not object. Thanks for doing this!