On Tue, May 17, 2016 at 1:34 PM, Prarit Bhargava <pra...@redhat.com> wrote: > intel_rapl is currently not supported in virtualized environments. When > booting the warning message > > intel_rapl: no valid rapl domains found in package 0
You seem to be saying that this message is problematic for some reason, so why is it? > is output for every virtual core. > > This patch stops the driver from being loaded in virtual boots. > > Cc: Srinivas Pandruvada <srinivas.pandruv...@linux.intel.com> > Cc: Jacob Jun Pan <jacob.jun....@intel.com> > Cc: "Rafael J. Wysocki" <r...@rjwysocki.net> > Cc: linux...@vger.kernel.org > Signed-off-by: Prarit Bhargava <pra...@redhat.com> > --- > drivers/powercap/intel_rapl.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/powercap/intel_rapl.c b/drivers/powercap/intel_rapl.c > index f2201d42a9cd..bebfbe8acccd 100644 > --- a/drivers/powercap/intel_rapl.c > +++ b/drivers/powercap/intel_rapl.c > @@ -29,6 +29,7 @@ > #include <linux/sysfs.h> > #include <linux/cpu.h> > #include <linux/powercap.h> > +#include <asm/hypervisor.h> > #include <asm/iosf_mbi.h> > > #include <asm/processor.h> > @@ -1600,6 +1601,10 @@ static int __init rapl_init(void) > return -ENODEV; > } > > + /* Intel RAPL is not supported on virtualized environments */ > + if (x86_hyper) > + return -ENODEV; > + > rapl_defaults = (struct rapl_defaults *)id->driver_data; > > cpu_notifier_register_begin(); > --
