On Wed, May 31, 2017 at 12:41:32PM +0200, gregory.herr...@oracle.com wrote:
> From: Gregory Herrero
>
> @@ -150,8 +155,11 @@ static void stopmachine_action(unsigned long cpu)
> case STOPMACHINE_INVOKE:
> if ( (stopmachine_data.fn_cpu == smp_processor_id()) ||
>
From: Gregory Herrero
When stop_machine_run() is called with NR_CPUS as last argument,
fn_result member must be filled only if an error happens since it is
shared across all cpus.
Assume CPU1 detects an error and set fn_result to -1, then CPU2 doesn't
detect an error and set fn_result to 0. The
