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    SubjectRe: [PATCH 4/6] Implement a general log2 facility in the kernel
    On Wed, 13 Sep 2006, Russell King wrote:
    > On Wed, Sep 13, 2006 at 08:38:59PM +0200, Geert Uytterhoeven wrote:
    > > On Wed, 13 Sep 2006, David Howells wrote:
    > > > Russell King <rmk+lkml@arm.linux.org.uk> wrote:
    > > >
    > > > > Therefore, re-using "log2()" is about as bad as re-using the "strcmp()"
    > > > > name to implement a function which copies strings.
    > > >
    > > > I should probably use ilog2() then which would at least be consistent with the
    > > > powerpc arch.
    > > >
    > > > > t.c:2: warning: conflicting types for built-in function 'log2'
    > >
    > > And apparently gcc < 4.0 doesn't give the warning.
    >
    > Eh? That's gcc 3.4.3 producing that warning. It probably depends on
    > the target configuration.

    I have to admit I didn't try all versions. So < 4.0 was a guess, based on the
    (Debian) versions I have installed on my laptop...

    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
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