Re: [PATCH] asm/generic: fix bug - kernel fails to build when enable some common audit code on Blackfin

[Andrew Morton <akpm@linux-foundation.org>]

On Tue, 18 Nov 2008 15:03:49 +0800 Bryan Wu <cooloney@kernel.org> wrote:

> From: Mike Frysinger <vapier.adi@gmail.com>
> 
> If you enable some common audit code, the kernel fails to build.
> 
> In file included from lib/audit.c:17:
> include/asm-generic/audit_write.h:3: error: '__NR_swapon' undeclared here (not in a function)
> make[1]: *** [lib/audit.o] Error 1
> make: *** [lib] Error 2
> 
> So do not use __NR_swapon if it isnt defined for a port.
> 
> Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
> Signed-off-by: Bryan Wu <cooloney@kernel.org>
> ---
>  include/asm-generic/audit_write.h |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/include/asm-generic/audit_write.h b/include/asm-generic/audit_write.h
> index f10d367..c5f1c2c 100644
> --- a/include/asm-generic/audit_write.h
> +++ b/include/asm-generic/audit_write.h
> @@ -1,6 +1,8 @@
>  #include <asm-generic/audit_dir_write.h>
>  __NR_acct,
> +#ifdef __NR_swapon
>  __NR_swapon,
> +#endif
>  __NR_quotactl,
>  __NR_truncate,
>  #ifdef __NR_truncate64

hrm.

Should blackfin define __NR_swapon instead?  afacit
include/asm/unistd.h is an exported-to-userspace header, so the
architecture should export __NR_swapon to prevent userspace build
failures?