Hi Atish, Thanks again for doing this. Overall changes look good except a couple of minor nit, see below. On Wed, Mar 20, 2019 at 04:48:04PM -0700, Atish Patra wrote: > Both RISC-V & ARM64 are using cpu-map device tree to describe > their cpu topology. It's better to move the relevant code to > a common place instead of duplicate code. > > Signed-off-by: Atish Patra <atish.patra@xxxxxxx> > Tested-by: Jeffrey Hugo <jhugo@xxxxxxxxxxxxxx> > --- > arch/arm64/include/asm/topology.h | 23 --- > arch/arm64/kernel/topology.c | 303 +----------------------------- > drivers/base/arch_topology.c | 298 ++++++++++++++++++++++++++++- > drivers/base/topology.c | 1 + > include/linux/arch_topology.h | 28 +++ > 5 files changed, 330 insertions(+), 323 deletions(-) > [...] > diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c > index edfcf8d9..6cc6a860 100644 > --- a/drivers/base/arch_topology.c > +++ b/drivers/base/arch_topology.c > @@ -6,8 +6,8 @@ > * Written by: Juri Lelli, ARM Ltd. > */ > > -#include <linux/acpi.h> > #include <linux/arch_topology.h> > +#include <linux/acpi.h> > #include <linux/cpu.h> > #include <linux/cpufreq.h> > #include <linux/device.h> > @@ -16,6 +16,11 @@ > #include <linux/string.h> > #include <linux/sched/topology.h> > #include <linux/cpuset.h> > +#include <linux/cpumask.h> > +#include <linux/init.h> > +#include <linux/percpu.h> > +#include <linux/sched.h> > +#include <linux/smp.h> > > DEFINE_PER_CPU(unsigned long, freq_scale) = SCHED_CAPACITY_SCALE; > > @@ -278,3 +283,294 @@ static void parsing_done_workfn(struct work_struct *work) > #else > core_initcall(free_raw_capacity); > #endif > + > +#if defined(CONFIG_ARM64) || defined(CONFIG_RISCV) Why can't the above one be just GENERIC_ARCH_TOPOLOGY ? I may be missing to find it myself, but would like to know. > + > +#if defined(CONFIG_ARM64) || defined(CONFIG_RISCV) Ditto. -- Regards, Sudeep