linux-kernel - [PATCH] rcu/tree_plugin: Fix nohz status in stall warning

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Date:   Fri,  8 Mar 2019 23:51:49 +0530
From:   Neeraj Upadhyay <neeraju@...eaurora.org>
To:     paulmck@...ux.vnet.ibm.com, josh@...htriplett.org,
        rostedt@...dmis.org, mathieu.desnoyers@...icios.com,
        jiangshanlai@...il.com
Cc:     linux-kernel@...r.kernel.org,
        Neeraj Upadhyay <neeraju@...eaurora.org>
Subject: [PATCH] rcu/tree_plugin: Fix nohz status in stall warning

Fix stall warning, to show correct nohz marker.

Signed-off-by: Neeraj Upadhyay <neeraju@...eaurora.org>
---
 kernel/rcu/tree_plugin.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index 97dba50..93da32c 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -1659,7 +1659,7 @@ static void print_cpu_stall_fast_no_hz(char *cp, int cpu)
 		rdp->last_accelerate & 0xffff, jiffies & 0xffff,
 		".l"[rdp->all_lazy],
 		".L"[!rcu_segcblist_n_nonlazy_cbs(&rdp->cblist)],
-		".D"[!rdp->tick_nohz_enabled_snap]);
+		".D"[!!rdp->tick_nohz_enabled_snap]);
 }
 
 #else /* #ifdef CONFIG_RCU_FAST_NO_HZ */
-- 
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