On Thu, May 05 2022 at 18:40, Tony Luck wrote: > From: Peter Zijlstra <peterz@xxxxxxxxxxxxx> > > Hardware core level testing features require near simultaneous execution > of WRMSR instructions on all threads of a core to initiate a test. > > Provide a customized cut down version of stop_machine_cpuslocked() that > just operates on the threads of a single core. > > Suggested-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> > Signed-off-by: Tony Luck <tony.luck@xxxxxxxxx> Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>