On Sat Nov 26, 2022 at 3:32 AM AEST, Laurent Dufour wrote: > The RCU watchdog timer should be reset when restarting the CPU after a Live > Partition Mobility operation. > > Signed-off-by: Laurent Dufour <lduf...@linux.ibm.com>
Looks okay to me. xmon touches the softlockup watchdog explicitly but is that for architectures with unsynchronized clocks maybe. Acked-by: Nicholas Piggin <npig...@gmail.com> > --- > arch/powerpc/platforms/pseries/mobility.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/arch/powerpc/platforms/pseries/mobility.c > b/arch/powerpc/platforms/pseries/mobility.c > index 634fac5db3f9..9e10f38dd9ad 100644 > --- a/arch/powerpc/platforms/pseries/mobility.c > +++ b/arch/powerpc/platforms/pseries/mobility.c > @@ -636,8 +636,10 @@ static int do_join(void *arg) > } > /* > * Execution may have been suspended for several seconds, so > - * reset the watchdog. > + * reset the watchdogs. > */ > + rcu_cpu_stall_reset(); > + /* touch_nmi_watchdog() also touch the soft lockup watchdog */ > touch_nmi_watchdog(); > return ret; > } > -- > 2.38.1
