On Wed, Sep 21, 2016 at 9:19 PM, Srinivas Pandruvada <[email protected]> wrote: > From: Tim Chen <[email protected]> > > Some Intel cores in a package can be boosted to a higher turbo frequency > with ITMT 3.0 technology. The scheduler can use the asymmetric packing > feature to move tasks to the more capable cores. > > If ITMT is enabled, add SD_ASYM_PACKING flag to the thread and core > sched domains to enable asymmetric packing. > > Signed-off-by: Tim Chen <[email protected]> > Signed-off-by: Peter Zijlstra (Intel) <[email protected]> > Signed-off-by: Srinivas Pandruvada <[email protected]> > --- > arch/x86/kernel/smpboot.c | 27 +++++++++++++++++++++++---- > 1 file changed, 23 insertions(+), 4 deletions(-) > > diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c > index 38901b3..46815e6 100644 > --- a/arch/x86/kernel/smpboot.c > +++ b/arch/x86/kernel/smpboot.c > @@ -487,22 +487,41 @@ static bool match_die(struct cpuinfo_x86 *c, struct > cpuinfo_x86 *o) > return false; > } > > +#ifndef CONFIG_SCHED_ITMT > +#define sysctl_sched_itmt_enabled 0 > +#endif
I thought that would be done in the header where sysctl_sched_itmt_enabled is declared (along with defining the stubs for the sched_set_itmt_* functions). Thanks, Rafael
