In the numa=off kernel command-line configuration init_chip_info() loops around the number of chips and attempts to copy the cpumask of that node which is NULL for all iterations after the first chip.
Hence adding a check to bail out after the first initialization if there is only one node. Fixes: 053819e0bf84 ("cpufreq: powernv: Handle throttling due to Pmax capping at chip level") Signed-off-by: Pratik R. Sampat <psam...@linux.ibm.com> Reported-by: Shirisha Ganta <shirishagan...@ibm.com> --- drivers/cpufreq/powernv-cpufreq.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/cpufreq/powernv-cpufreq.c b/drivers/cpufreq/powernv-cpufreq.c index e439b43c19eb..663f9c4b5e3a 100644 --- a/drivers/cpufreq/powernv-cpufreq.c +++ b/drivers/cpufreq/powernv-cpufreq.c @@ -1078,6 +1078,8 @@ static int init_chip_info(void) INIT_WORK(&chips[i].throttle, powernv_cpufreq_work_fn); for_each_cpu(cpu, &chips[i].mask) per_cpu(chip_info, cpu) = &chips[i]; + if (num_possible_nodes() == 1) + break; } free_and_return: -- 2.30.2