RE: [PATCH V16 11/11] x86,cgroup/intel_rdt : Add a cgroup interface to manage Intel cache allocation

[Yu, Fenghua]

> From: Richard Weinberger [mailto:richard.weinberger@xxxxxxxxx]
> Sent: Saturday, January 02, 2016 2:54 PM
> On Mon, Dec 21, 2015 at 6:05 PM, Marcelo Tosatti <mtosatti@xxxxxxxxxx>
> wrote:
> > OK cool hopefully that makes it clear to Fenghua Yu what must be
> > changed in the patchset.
> >
> >>  - http://lkml.iu.edu/hypermail/linux/kernel/1511.0/02375.html
> 
> ...beating a dead horse but this patch is in -next and breaks the ARCH=um
> build when enabled.
> 
>   UPD     include/generated/compile.h
>   CC      init/version.o
>   LD      init/built-in.o
> kernel/built-in.o:(.rodata+0x2920): undefined reference to
> `intel_rdt_cgrp_subsys'
> collect2: error: ld returned 1 exit status
> make: *** [vmlinux] Error 1

Do you set CONFIG_INTEL_RDT=y?

Thanks.

-Fenghua