Messages in this thread | | | Date | Tue, 14 Mar 2006 22:57:36 +0100 | From | Adrian Bunk <> | Subject | Re: [PATCH] (-mm) drivers/pci/msi: explicit declaration of msi_register |
| |
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
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |