[PATCH] rcu: Correct cpu offline trace in rcutree_dying_cpu

From: Neeraj Upadhyay
Date: Mon Jan 11 2021 - 06:47:00 EST


Correctly trace whether the outgoing cpu blocks current gp in
rcutree_dying_cpu().

Signed-off-by: Neeraj Upadhyay <neeraju@xxxxxxxxxxxxxx>
---
kernel/rcu/tree.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 097990a..1f4bff4 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -2364,7 +2364,7 @@ int rcutree_dying_cpu(unsigned int cpu)

blkd = !!(rnp->qsmask & rdp->grpmask);
trace_rcu_grace_period(rcu_state.name, READ_ONCE(rnp->gp_seq),
- blkd ? TPS("cpuofl") : TPS("cpuofl-bgp"));
+ blkd ? TPS("cpuofl-bgp") : TPS("cpuofl"));
return 0;
}

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