linux-kernel - Re: [GIT PULL] kbuild changes for v4.9-rc1

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Date:   Mon, 17 Oct 2016 13:17:33 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Alexey Dobriyan <adobriyan@...il.com>
Cc:     Adam Borowski <kilobyte@...band.pl>,
        Nicholas Piggin <npiggin@...il.com>,
        Omar Sandoval <osandov@...ndov.com>,
        Michal Marek <mmarek@...e.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Al Viro <viro@...iv.linux.org.uk>,
        linux-kbuild <linux-kbuild@...r.kernel.org>,
        Linux Kernel <linux-kernel@...r.kernel.org>,
        Linux-Arch <linux-arch@...r.kernel.org>
Subject: Re: [GIT PULL] kbuild changes for v4.9-rc1

Hi Alexey,

On Mon, Oct 17, 2016 at 1:12 PM, Alexey Dobriyan <adobriyan@...il.com> wrote:
> On Mon, Oct 17, 2016 at 1:01 PM, Adam Borowski <kilobyte@...band.pl> wrote:
>> On Mon, Oct 17, 2016 at 05:59:51PM +1100, Nicholas Piggin wrote:
>>> On Mon, 17 Oct 2016 08:51:31 +0200
>>> Adam Borowski <kilobyte@...band.pl> wrote:
>
>> --- /dev/null
>> +++ b/include/asm-generic/asm-prototypes.h
>> @@ -0,0 +1,7 @@
>> +#include <linux/bitops.h>
>> +extern void *__memset(void *, int, __kernel_size_t);
>> +extern void *__memcpy(void *, const void *, __kernel_size_t);
>> +extern void *__memmove(void *, const void *, __kernel_size_t);
>> +extern void *memset(void *, int, __kernel_size_t);
>> +extern void *memcpy(void *, const void *, __kernel_size_t);
>> +extern void *memmove(void *, const void *, __kernel_size_t);
>
> Before too late, those extern keywords aren't needed and
> only slowdown compilation.

Do you have any profiling data backing this?

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