From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Guenter Roeck <linux@roeck-us.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Richard Henderson <rth@twiddle.net>,
Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
Matt Turner <mattst88@gmail.com>,
"James E . J . Bottomley" <James.Bottomley@hansenpartnership.com>,
Helge Deller <deller@gmx.de>,
"David S . Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
alpha <linux-alpha@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Parisc List <linux-parisc@vger.kernel.org>,
netdev <netdev@vger.kernel.org>,
linux-sparse@vger.kernel.org
Subject: Re: [PATCH v2 2/4] net: i825xx: Use absolute_pointer for memcpy from fixed memory location
Date: Wed, 15 Sep 2021 09:08:19 +0200 [thread overview]
Message-ID: <CAMuHMdXM8qq-J_jHjkpNByvKqXG5_NbP-G43NsjKBDyFhS6ufQ@mail.gmail.com> (raw)
In-Reply-To: <20210915035227.630204-3-linux@roeck-us.net>
On Wed, Sep 15, 2021 at 5:52 AM Guenter Roeck <linux@roeck-us.net> wrote:
> gcc 11.x reports the following compiler warning/error.
>
> drivers/net/ethernet/i825xx/82596.c: In function 'i82596_probe':
> ./arch/m68k/include/asm/string.h:72:25: error:
> '__builtin_memcpy' reading 6 bytes from a region of size 0
> [-Werror=stringop-overread]
>
> Use absolute_pointer() to work around the problem.
>
> Cc: Geert Uytterhoeven <geert@linux-m68k.org>
> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-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
next prev parent reply other threads:[~2021-09-15 7:08 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-15 3:52 [PATCH v2 0/4] Introduce and use absolute_pointer macro Guenter Roeck
2021-09-15 3:52 ` [PATCH v2 1/4] compiler.h: Introduce " Guenter Roeck
2021-09-15 7:07 ` Geert Uytterhoeven
2021-09-15 7:13 ` Geert Uytterhoeven
2021-09-15 7:13 ` Geert Uytterhoeven
2021-09-15 14:03 ` Guenter Roeck
2021-09-15 14:03 ` Guenter Roeck
2021-09-15 3:52 ` [PATCH v2 2/4] net: i825xx: Use absolute_pointer for memcpy from fixed memory location Guenter Roeck
2021-09-15 7:08 ` Geert Uytterhoeven [this message]
2021-09-15 3:52 ` [PATCH v2 3/4] alpha: Move setup.h out of uapi Guenter Roeck
2021-09-15 3:52 ` [PATCH v2 4/4] alpha: Use absolute_pointer to define COMMAND_LINE Guenter Roeck
2021-09-15 19:18 ` [PATCH v2 0/4] Introduce and use absolute_pointer macro Linus Torvalds
2021-09-15 19:35 ` Guenter Roeck
2021-09-15 19:47 ` Linus Torvalds
2021-09-15 19:50 ` Linus Torvalds
2021-09-15 21:19 ` Linus Torvalds
2021-09-16 7:02 ` Anders Larsen
2021-09-16 16:25 ` Linus Torvalds
2021-09-15 20:30 ` Helge Deller
2021-09-15 22:33 ` Guenter Roeck
2021-09-16 18:35 ` Linus Torvalds
2021-09-18 9:51 ` Michael Cree
2021-09-18 13:11 ` Ulrich Teichert
2021-09-18 13:11 ` Ulrich Teichert
2021-09-18 17:04 ` Linus Torvalds
2021-09-18 17:17 ` Thorsten Glaser
2021-09-18 17:21 ` Linus Torvalds
2021-09-18 17:28 ` Linus Torvalds
2021-09-18 20:26 ` Ulrich Teichert
2021-09-18 20:26 ` Ulrich Teichert
2021-09-18 20:46 ` Linus Torvalds
2021-09-18 21:12 ` Linus Torvalds
2021-09-18 22:09 ` Linus Torvalds
2021-09-19 15:13 ` Dave Taht
2021-09-19 15:13 ` Dave Taht
2021-09-20 18:25 ` Ulrich Teichert
2021-09-20 18:25 ` Ulrich Teichert
2021-09-20 18:46 ` Linus Torvalds
2021-09-20 18:59 ` Matt Turner
2021-09-20 19:45 ` Linus Torvalds
2021-09-21 19:13 ` Ulrich Teichert
2021-09-21 19:13 ` Ulrich Teichert
2021-09-21 20:42 ` Linus Torvalds
2021-09-21 21:39 ` Linus Torvalds
2021-09-22 20:50 ` Ulrich Teichert
2021-09-22 20:50 ` Ulrich Teichert
2021-09-23 19:57 ` Newer kernels on the Jensen (was: [PATCH v2 0/4] Introduce and use absolute_pointer macro) Ulrich Teichert
2021-09-25 21:01 ` John Paul Adrian Glaubitz
2021-09-26 11:26 ` Newer kernels on the Jensen (was: [PATCH v2 0/4] Introduce and Ulrich Teichert
2021-09-26 11:35 ` John Paul Adrian Glaubitz
2021-09-26 11:55 ` John Paul Adrian Glaubitz
2021-09-26 17:12 ` Ulrich Teichert
2021-09-26 17:16 ` John Paul Adrian Glaubitz
2021-10-02 15:30 ` John Paul Adrian Glaubitz
2021-10-18 15:37 ` John Paul Adrian Glaubitz
2021-10-19 19:46 ` Ulrich Teichert
2021-10-22 8:46 ` John Paul Adrian Glaubitz
2021-10-24 3:41 ` Maciej W. Rozycki
2021-09-16 19:47 ` [PATCH v2 0/4] Introduce and use absolute_pointer macro Linus Torvalds
2021-09-16 0:34 ` Michael Cree
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