On 8 September 2016 at 04:57, Fenghua Yu <[email protected]> wrote: > diff --git a/arch/x86/kernel/cpu/intel_rdt.c b/arch/x86/kernel/cpu/intel_rdt.c > index 9cf3a7d..9f30492 100644 > --- a/arch/x86/kernel/cpu/intel_rdt.c > +++ b/arch/x86/kernel/cpu/intel_rdt.c > @@ -21,6 +21,8 @@ > */ > #include <linux/slab.h> > #include <linux/err.h> > +#include <linux/sched.h> > +#include <asm/pqr_common.h> > #include <asm/intel_rdt.h> > > /* > @@ -41,12 +43,28 @@ static cpumask_t rdt_cpumask; > */ > static cpumask_t tmp_cpumask; > static DEFINE_MUTEX(rdtgroup_mutex); > +struct static_key __read_mostly rdt_enable_key = STATIC_KEY_INIT_FALSE;
I had pointed this for the previous version of the patch as well. You should use DEFINE_STATIC_KEY_FALSE(rdt_enable_key), instead of what you have here. -- Nilay
