On 10/19/2016 04:25 AM, Noam Camus wrote: > From: Noam Camus <noamc at ezchip.com> > > num_possible_cpus() returns how many CPUs may be present on system. > However we want the highest possible CPU number. > This may be differ in a sparsed possible CPUs map. > Such map achived by OF for plat-eznps. > > For example if we have: > possible cpus mask 0,3 > > Then: > num_possible_cpus() is equal 2 > while > nr_cpu_ids is equal 4. > > Only for value 4 c_start() will provide correct cpuinfo at procfs. This is much much better. Applied to for-curr ! Thx, -Vineet > > Signed-off-by: Noam Camus <noamc at ezchip.com> > --- > arch/arc/kernel/setup.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c > index 64907de..bd2e3a4 100644 > --- a/arch/arc/kernel/setup.c > +++ b/arch/arc/kernel/setup.c > @@ -512,7 +512,7 @@ static void *c_start(struct seq_file *m, loff_t *pos) > * way to pass it w/o having to kmalloc/free a 2 byte string. > * Encode cpu-id as 0xFFcccc, which is decoded by show routine. > */ > - return *pos < num_possible_cpus() ? cpu_to_ptr(*pos) : NULL; > + return *pos < nr_cpu_ids ? cpu_to_ptr(*pos) : NULL; > } > > static void *c_next(struct seq_file *m, void *v, loff_t *pos)
