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[09/18] rcutorture: Add full read-side contexts to "busted" torture type

Message ID 20241212184957.2127441-9-paulmck@kernel.org (mailing list archive)
State New
Headers show
Series RCU torture-test updates for v6.14 | expand

Commit Message

Paul E. McKenney Dec. 12, 2024, 6:49 p.m. UTC 
The purpose of the "busted" torture type is to test rcutorture code paths
used only when a too-short grace period is detected.  Currently, "busted"
only uses normal rcu_read_lock()-style readers, which fails to exercise
much of the "Failure/close-call rcutorture reader segments" functionality.
This commit therefore sets the .extendables field of rcu_busted_ops to
RCUTORTURE_MAX_EXTEND in order to more fully exercise the reporting.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Frederic Weisbecker <frederic@kernel.org>
---
 kernel/rcu/rcutorture.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index 61b092a3dc3f3..81b3743f81dca 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -639,6 +639,7 @@  static struct rcu_torture_ops rcu_busted_ops = {
 	.exp_sync	= synchronize_rcu_busted,
 	.call		= call_rcu_busted,
 	.irq_capable	= 1,
+	.extendables	= RCUTORTURE_MAX_EXTEND,
 	.name		= "busted"
 };