linux-kernel - Re: Build regressions/improvements in v5.3

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Date:   Mon, 16 Sep 2019 10:19:08 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:     "Paul E. McKenney" <paulmck@...ux.ibm.com>
Subject: Re: Build regressions/improvements in v5.3

On Mon, Sep 16, 2019 at 9:43 AM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> JFYI, when comparing v5.3[1] to v5.3-rc8[3], the summaries are:
>   - build errors: +0/-0
>   - build warnings: +50/-50

Just the levelspread noise.
Anyone with an idea to get rid of it (and to prove they're all false-positives)?

> [1] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/4d856f72c10ecb060868ed10ff1b1453943fc6c8/ (all 242 configs)
> [3] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/f74c2bb98776e2de508f4d607cd519873065118e/ (all 242 configs)

> 122 warning regressions:

>   + /kisskb/src/kernel/rcu/srcutree.c: warning: 'levelspread[<U aa0>]' may be used uninitialized in this function [-Wuninitialized]:  => 121:34

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds