Messages in this thread | | | From | "Zhang, Qiang1" <> | Subject | RE: [PATCH v2] rcu/nocb: Correct output rcuog/rcuop kthreads information | Date | Sat, 18 Jun 2022 12:49:26 +0000 |
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On Fri, Jun 17, 2022 at 10:15:19PM +0800, Zqiang wrote: > This commit make rcuog and rcuop thread information output in the > correct location. > > Signed-off-by: Zqiang <qiang1.zhang@intel.com> > >Good catch, queued for review and testing, thank you! > >Ditto for the "rcu: Avoid reporting strict QSes from NMI context" >patch.
Hi Paul, please remove this patch, the preempt_count() imply in_nmi()
Thanks Zqiang
> >As always, I wordsmithed both commit logs, so please check to see if I messed something up. > > Thanx, Paul > > --- > v1->v2: > Only change commit information, the v1 is [PATCH] rcu: Fix incorrect > judgment condition in show_rcu_nocb_state(). > > kernel/rcu/tree_nocb.h | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/kernel/rcu/tree_nocb.h b/kernel/rcu/tree_nocb.h index > a8f574d8850d..f20aec4f4394 100644 > --- a/kernel/rcu/tree_nocb.h > +++ b/kernel/rcu/tree_nocb.h > @@ -1452,8 +1452,8 @@ static void show_rcu_nocb_gp_state(struct rcu_data *rdp) > (long)rdp->nocb_gp_seq, > rnp->grplo, rnp->grphi, READ_ONCE(rdp->nocb_gp_loops), > rdp->nocb_gp_kthread ? task_state_to_char(rdp->nocb_gp_kthread) : '.', > - rdp->nocb_cb_kthread ? (int)task_cpu(rdp->nocb_gp_kthread) : -1, > - show_rcu_should_be_on_cpu(rdp->nocb_cb_kthread)); > + rdp->nocb_gp_kthread ? (int)task_cpu(rdp->nocb_gp_kthread) : -1, > + show_rcu_should_be_on_cpu(rdp->nocb_gp_kthread)); > } > > /* Dump out nocb kthread state for the specified rcu_data structure. > */ @@ -1497,7 +1497,7 @@ static void show_rcu_nocb_state(struct rcu_data *rdp) > ".B"[!!rcu_cblist_n_cbs(&rdp->nocb_bypass)], > rcu_segcblist_n_cbs(&rdp->cblist), > rdp->nocb_cb_kthread ? task_state_to_char(rdp->nocb_cb_kthread) : '.', > - rdp->nocb_cb_kthread ? (int)task_cpu(rdp->nocb_gp_kthread) : -1, > + rdp->nocb_cb_kthread ? (int)task_cpu(rdp->nocb_cb_kthread) : -1, > show_rcu_should_be_on_cpu(rdp->nocb_cb_kthread)); > > /* It is OK for GP kthreads to have GP state. */ > -- > 2.25.1 >
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