lkml.org 
[lkml]   [2007]   [Jun]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: 2.6.22-rc3-mm1: Xen compile error with X86_CMPXCHG=n
On Sat, Jun 02, 2007 at 03:57:12PM +0200, Adrian Bunk wrote:
> I'm getting the following compile error in 2.6.22-rc3-mm1 with
> CONFIG_X86_CMPXCHG=n (with -Werror-implicit-function-declaration -
> otherwise it would be a link error):
>
> <-- snip -->
>
> ...
> CC drivers/xen/grant-table.o
> /home/bunk/linux/kernel-2.6/linux-2.6.22-rc3-mm1/drivers/xen/grant-table.c: In function ‘gnttab_end_foreign_access_ref’:
> /home/bunk/linux/kernel-2.6/linux-2.6.22-rc3-mm1/drivers/xen/grant-table.c:203: error: implicit declaration of function ‘sync_cmpxchg’
> make[3]: *** [drivers/xen/grant-table.o] Error 1
>
> <-- snip -->
>
> Adding a dependency of XEN on X86_CMPXCHG should not be a problem and
> not prevent any reasonable real-life usage.
>
> But what worries me is that a seemingly architecture independent
> driver uses a function only available in some configurations.

Still present as of 2.6.22-rc6-mm1.

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/

\
 
 \ /
  Last update: 2007-06-29 01:39    [W:0.313 / U:8.520 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site