Adding few other folks. Thanks Rohit ________________________________________ 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
