Re: [PATCH 2/2] powerpc/powernv : Disable subcore for UP configs

From: Anshuman Khandual
Date: Fri Jun 06 2014 - 01:54:18 EST


On 06/05/2014 08:54 PM, Shreyas B. Prabhu wrote:
> Build throws following errors when CONFIG_SMP=n
> arch/powerpc/platforms/powernv/subcore.c: In function âcpu_update_split_modeâ:
> arch/powerpc/platforms/powernv/subcore.c:274:15: error: âsetup_max_cpusâ undeclared (first use in this function)
> arch/powerpc/platforms/powernv/subcore.c:285:5: error: lvalue required as left operand of assignment
>
> 'setup_max_cpus' variable is relevant only on SMP, so there is no point
> working around it for UP. Furthermore, subcore.c itself is relevant only
> on SMP and hence the better solution is to exclude subcore.c for UP builds.
>
> Signed-off-by: Shreyas B. Prabhu <shreyas@xxxxxxxxxxxxxxxxxx>
> ---
> This patch applies on top of ben/powerpc.git/next branch
>
> arch/powerpc/platforms/powernv/Makefile | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/powerpc/platforms/powernv/Makefile b/arch/powerpc/platforms/powernv/Makefile
> index 4ad0d34..636d206 100644
> --- a/arch/powerpc/platforms/powernv/Makefile
> +++ b/arch/powerpc/platforms/powernv/Makefile
> @@ -1,9 +1,9 @@
> obj-y += setup.o opal-takeover.o opal-wrappers.o opal.o opal-async.o
> obj-y += opal-rtc.o opal-nvram.o opal-lpc.o opal-flash.o
> obj-y += rng.o opal-elog.o opal-dump.o opal-sysparam.o opal-sensor.o
> -obj-y += opal-msglog.o subcore.o subcore-asm.o
> +obj-y += opal-msglog.o subcore-asm.o
>

subcore-asm.o can also move down here as well ?

> -obj-$(CONFIG_SMP) += smp.o
> +obj-$(CONFIG_SMP) += smp.o subcore.o

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/