diff options
Diffstat (limited to 'features/rt/lockdep-selftest-Only-do-hardirq-context-test-for-ra.patch')
| -rw-r--r-- | features/rt/lockdep-selftest-Only-do-hardirq-context-test-for-ra.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/features/rt/lockdep-selftest-Only-do-hardirq-context-test-for-ra.patch b/features/rt/lockdep-selftest-Only-do-hardirq-context-test-for-ra.patch new file mode 100644 index 00000000..decdc693 --- /dev/null +++ b/features/rt/lockdep-selftest-Only-do-hardirq-context-test-for-ra.patch @@ -0,0 +1,61 @@ +From 976fc02f2b164dce981f5e3c6a5aca9d9aba1a73 Mon Sep 17 00:00:00 2001 +From: Yong Zhang <yong.zhang@windriver.com> +Date: Mon, 16 Apr 2012 15:01:56 +0800 +Subject: [PATCH 152/191] lockdep: selftest: Only do hardirq context test for + raw spinlock + +On -rt there is no softirq context any more and rwlock is sleepable, +disable softirq context test and rwlock+irq test. + +Signed-off-by: Yong Zhang <yong.zhang0@gmail.com> +Cc: Yong Zhang <yong.zhang@windriver.com> +Link: http://lkml.kernel.org/r/1334559716-18447-3-git-send-email-yong.zhang0@gmail.com +Signed-off-by: Thomas Gleixner <tglx@linutronix.de> +--- + lib/locking-selftest.c | 23 +++++++++++++++++++++++ + 1 file changed, 23 insertions(+) + +diff --git a/lib/locking-selftest.c b/lib/locking-selftest.c +index 2d85abac1744..5ff07ae1cc67 100644 +--- a/lib/locking-selftest.c ++++ b/lib/locking-selftest.c +@@ -2841,6 +2841,7 @@ void locking_selftest(void) + + printk(" --------------------------------------------------------------------------\n"); + ++#ifndef CONFIG_PREEMPT_RT + /* + * irq-context testcases: + */ +@@ -2855,6 +2856,28 @@ void locking_selftest(void) + DO_TESTCASE_6x2x2RW("irq read-recursion #2", irq_read_recursion2); + DO_TESTCASE_6x2x2RW("irq read-recursion #3", irq_read_recursion3); + ++#else ++ /* On -rt, we only do hardirq context test for raw spinlock */ ++ DO_TESTCASE_1B("hard-irqs-on + irq-safe-A", irqsafe1_hard_spin, 12); ++ DO_TESTCASE_1B("hard-irqs-on + irq-safe-A", irqsafe1_hard_spin, 21); ++ ++ DO_TESTCASE_1B("hard-safe-A + irqs-on", irqsafe2B_hard_spin, 12); ++ DO_TESTCASE_1B("hard-safe-A + irqs-on", irqsafe2B_hard_spin, 21); ++ ++ DO_TESTCASE_1B("hard-safe-A + unsafe-B #1", irqsafe3_hard_spin, 123); ++ DO_TESTCASE_1B("hard-safe-A + unsafe-B #1", irqsafe3_hard_spin, 132); ++ DO_TESTCASE_1B("hard-safe-A + unsafe-B #1", irqsafe3_hard_spin, 213); ++ DO_TESTCASE_1B("hard-safe-A + unsafe-B #1", irqsafe3_hard_spin, 231); ++ DO_TESTCASE_1B("hard-safe-A + unsafe-B #1", irqsafe3_hard_spin, 312); ++ DO_TESTCASE_1B("hard-safe-A + unsafe-B #1", irqsafe3_hard_spin, 321); ++ ++ DO_TESTCASE_1B("hard-safe-A + unsafe-B #2", irqsafe4_hard_spin, 123); ++ DO_TESTCASE_1B("hard-safe-A + unsafe-B #2", irqsafe4_hard_spin, 132); ++ DO_TESTCASE_1B("hard-safe-A + unsafe-B #2", irqsafe4_hard_spin, 213); ++ DO_TESTCASE_1B("hard-safe-A + unsafe-B #2", irqsafe4_hard_spin, 231); ++ DO_TESTCASE_1B("hard-safe-A + unsafe-B #2", irqsafe4_hard_spin, 312); ++ DO_TESTCASE_1B("hard-safe-A + unsafe-B #2", irqsafe4_hard_spin, 321); ++#endif + ww_tests(); + + force_read_lock_recursive = 0; +-- +2.19.1 + |