Related build errors (was: use ext2_find_next_bit)

From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: 2010-02-28 10:07:47
Also in: lkml

On Sun, Feb 28, 2010 at 11:04, Geert Uytterhoeven [off-list ref] wrote:
On Thu, Feb 25, 2010 at 15:29, Akinobu Mita [off-list ref] wrote:
quoted
2010/2/25 Geert Uytterhoeven [off-list ref]:
quoted
On Thu, Feb 25, 2010 at 02:38, Akinobu Mita [off-list ref] wrote:
quoted
2010/2/25 Jan Kara [off-list ref]:
quoted
On Tue 23-02-10 23:11:13, Akinobu Mita wrote:
quoted
Use ext2_find_next_bit (generic_find_next_le_bit) to find the set bit
in little endian bitmap region.
Is any of this in linux-next now?

http://kisskb.ellerman.id.au/kisskb/buildresult/2208481/
| fs/udf/balloc.c:274: error: implicit declaration of function
'generic_find_next_le_bit'
Yep, Jan's patch caused the build breakage.

Because generic_find_next_le_bit() is not available for all
archtectures. So we should use ext2_find_next_bit() here.
Most architectures use the definitions in asm-generic, so they're OK.
M68k doesn't. S390 is also affected, and I think arm as well (but there's no
arm all-modconfig build in linux-next, so I'm not 100% sure).
Which brings me to another question. In the past, I wondered several times
whether a build error happened on other architectures as well.
Going through all failed logs manually is a bit tedious.
So would it be possible to have some method to find related build errors
on different configs/architectures? E.g. a scoreboard with the most popular
build errors/compiler warnings and links to the affected configs?

Thx again for the great linux-next work!

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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