Re: [PATCH v2 2/2] powerpc/powernv : Disable subcore for UP configs
From: Srivatsa S. Bhat <hidden>
Date: 2014-06-06 10:29:59
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On 06/06/2014 03:52 PM, Shreyas B. Prabhu wrote:
Build throws following errors when CONFIG_SMP=n arch/powerpc/platforms/powernv/subcore.c: In function ‘cpu_update_split_mode’: arch/powerpc/platforms/powernv/subcore.c:274:15: error: ‘setup_max_cpus’ 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 itself is relevant only on SMP and hence the better solution is to exclude subcore.o and subcore-asm.o for UP builds. Signed-off-by: Shreyas B. Prabhu <redacted>
Reviewed-by: Srivatsa S. Bhat <redacted> Regards, Srivatsa S. Bhat
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--- Changes in v2: Excluding subcore-asm.o which is part of the subcore feature for UP configs. 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..d55891f 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 -obj-$(CONFIG_SMP) += smp.o +obj-$(CONFIG_SMP) += smp.o subcore.o subcore-asm.o obj-$(CONFIG_PCI) += pci.o pci-p5ioc2.o pci-ioda.o obj-$(CONFIG_EEH) += eeh-ioda.o eeh-powernv.o obj-$(CONFIG_PPC_SCOM) += opal-xscom.o