diff options
Diffstat (limited to 'features/rt/lockdep-disable-self-test.patch')
-rw-r--r-- | features/rt/lockdep-disable-self-test.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/features/rt/lockdep-disable-self-test.patch b/features/rt/lockdep-disable-self-test.patch new file mode 100644 index 00000000..fae3936a --- /dev/null +++ b/features/rt/lockdep-disable-self-test.patch @@ -0,0 +1,34 @@ +From 87bd0ee2b2c1a55ad355c37f1143996b0c9f654d Mon Sep 17 00:00:00 2001 +From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> +Date: Tue, 17 Oct 2017 16:36:18 +0200 +Subject: [PATCH 154/191] lockdep: disable self-test +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +The self-test wasn't always 100% accurate for RT. We disabled a few +tests which failed because they had a different semantic for RT. Some +still reported false positives. Now the selftest locks up the system +during boot and it needs to be investigated… + +Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> +--- + lib/Kconfig.debug | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug +index 2779c29d9981..74a0a9e54fdb 100644 +--- a/lib/Kconfig.debug ++++ b/lib/Kconfig.debug +@@ -1392,7 +1392,7 @@ config DEBUG_ATOMIC_SLEEP + + config DEBUG_LOCKING_API_SELFTESTS + bool "Locking API boot-time self-tests" +- depends on DEBUG_KERNEL ++ depends on DEBUG_KERNEL && !PREEMPT_RT + help + Say Y here if you want the kernel to run a short self-test during + bootup. The self-test checks whether common types of locking bugs +-- +2.19.1 + |