On Tue, Mar 14, 2006 at 04:01:02PM -0500, Jun'ichi Nomura wrote:
> Hello,
>
> In 2.6.16-rc6-mm1, I've seen tons of compiler warnings on ia64:
>
> include2/asm/msi.h: In function `ia64_msi_init':
> include2/asm/msi.h:23: warning: implicit declaration of function `msi_register'
> In file included from include2/asm/machvec.h:408,
> from include2/asm/io.h:70,
> from include2/asm/smp.h:20,
> from /build/rc6/source/include/linux/smp.h:22,
>
> The problem is that msi_register() is used in ia64_msi_init()
> without declaration.
> Since ia64_msi_init() is a part of machine vector, most of files
> hit this warning and may hide other important messages.
>...
To avoid any wrong impression:
This kind of warnings isn't harmless.
gcc tries to guess the prototype of the function, and if gcc guessed
wrong this can cause nasty and hard to debug runtime errors.
> Thanks,
>...
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
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