On Wed, Apr 25, 2018 at 11:36:06PM +0000, Rohit Khanna wrote: > Adding few other folks.
It looks fine to me but cc'ing Mark and Lorenzo (and it should have been posted on [email protected]). > From: Rohit Khanna > Sent: Wednesday, April 25, 2018 4:08 PM > To: [email protected]; [email protected] > Cc: [email protected]; Rohit Khanna > Subject: [PATCH] arm64: skip cpu nodes marked as disabled in DT > > Skip the CPU nodes that are marked as disabled in DT. > > Bug 1828570 > > Signed-off-by: Rohit Khanna <[email protected]> > Reviewed-on: http://git-master/r/1245333 > Reviewed-by: Alexander Van Brunt <[email protected]> > --- > arch/arm64/kernel/smp.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c > index f3e2e3aec0b0..2b4371b0948d 100644 > --- a/arch/arm64/kernel/smp.c > +++ b/arch/arm64/kernel/smp.c > @@ -578,6 +578,10 @@ static void __init of_parse_and_init_cpus(void) > for_each_node_by_type(dn, "cpu") { > u64 hwid = of_get_cpu_mpidr(dn); > > + /* Check to see if the cpu is disabled */ > + if (!of_device_is_available(dn)) > + goto next; > + > if (hwid == INVALID_HWID) > goto next; > > -- > 2.1.4
