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* [tip: locking/debug] kcsan: Make strict mode imply interruptible watchers
@ 2021-08-18  7:58 tip-bot2 for Marco Elver
  0 siblings, 0 replies; only message in thread
From: tip-bot2 for Marco Elver @ 2021-08-18  7:58 UTC (permalink / raw)
  To: linux-tip-commits; +Cc: Paul E. McKenney, Marco Elver, x86, linux-kernel

The following commit has been merged into the locking/debug branch of tip:

Commit-ID:     e04938042d77addc7f41d983aebea125cddbed33
Author:        Marco Elver <>
AuthorDate:    Tue, 15 Jun 2021 20:39:38 +02:00
Committer:     Paul E. McKenney <>
CommitterDate: Tue, 20 Jul 2021 13:49:44 -07:00

kcsan: Make strict mode imply interruptible watchers


With interruptible watchers, we'll also report same-CPU data races; if
we requested strict mode, we might as well show these, too.

Suggested-by: Paul E. McKenney <>
Signed-off-by: Marco Elver <>
Signed-off-by: Paul E. McKenney <>
 lib/Kconfig.kcsan | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/Kconfig.kcsan b/lib/Kconfig.kcsan
index 26f03c7..e0a93ff 100644
--- a/lib/Kconfig.kcsan
+++ b/lib/Kconfig.kcsan
@@ -150,7 +150,8 @@ config KCSAN_SKIP_WATCH_RANDOMIZE
-	bool "Interruptible watchers"
+	bool "Interruptible watchers" if !KCSAN_STRICT
+	default KCSAN_STRICT
 	  If enabled, a task that set up a watchpoint may be interrupted while
 	  delayed. This option will allow KCSAN to detect races between

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2021-08-18  7:58 [tip: locking/debug] kcsan: Make strict mode imply interruptible watchers tip-bot2 for Marco Elver

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