diff options
Diffstat (limited to 'debian/patches-rt/0248-lockdep-selftest-fix-warnings-due-to-missing-PREEMPT.patch')
| -rw-r--r-- | debian/patches-rt/0248-lockdep-selftest-fix-warnings-due-to-missing-PREEMPT.patch | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/debian/patches-rt/0248-lockdep-selftest-fix-warnings-due-to-missing-PREEMPT.patch b/debian/patches-rt/0248-lockdep-selftest-fix-warnings-due-to-missing-PREEMPT.patch new file mode 100644 index 000000000..dbb683c42 --- /dev/null +++ b/debian/patches-rt/0248-lockdep-selftest-fix-warnings-due-to-missing-PREEMPT.patch @@ -0,0 +1,149 @@ +From c10790e859050b8a0a251e2e57b7fffb9ffa75df Mon Sep 17 00:00:00 2001 +From: Josh Cartwright <josh.cartwright@ni.com> +Date: Wed, 28 Jan 2015 13:08:45 -0600 +Subject: [PATCH 248/323] lockdep: selftest: fix warnings due to missing + PREEMPT_RT conditionals +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.204-rt100.tar.xz + +"lockdep: Selftest: Only do hardirq context test for raw spinlock" +disabled the execution of certain tests with PREEMPT_RT, but did +not prevent the tests from still being defined. This leads to warnings +like: + + ./linux/lib/locking-selftest.c:574:1: warning: 'irqsafe1_hard_rlock_12' defined but not used [-Wunused-function] + ./linux/lib/locking-selftest.c:574:1: warning: 'irqsafe1_hard_rlock_21' defined but not used [-Wunused-function] + ./linux/lib/locking-selftest.c:577:1: warning: 'irqsafe1_hard_wlock_12' defined but not used [-Wunused-function] + ./linux/lib/locking-selftest.c:577:1: warning: 'irqsafe1_hard_wlock_21' defined but not used [-Wunused-function] + ./linux/lib/locking-selftest.c:580:1: warning: 'irqsafe1_soft_spin_12' defined but not used [-Wunused-function] + ... + +Fixed by wrapping the test definitions in #ifndef CONFIG_PREEMPT_RT +conditionals. + +Signed-off-by: Josh Cartwright <josh.cartwright@ni.com> +Signed-off-by: Xander Huff <xander.huff@ni.com> +Acked-by: Gratian Crisan <gratian.crisan@ni.com> +Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> +--- + lib/locking-selftest.c | 28 ++++++++++++++++++++++++++++ + 1 file changed, 28 insertions(+) + +diff --git a/lib/locking-selftest.c b/lib/locking-selftest.c +index 663c071bc445..98c376b02dff 100644 +--- a/lib/locking-selftest.c ++++ b/lib/locking-selftest.c +@@ -787,6 +787,8 @@ GENERATE_TESTCASE(init_held_rtmutex); + #include "locking-selftest-spin-hardirq.h" + GENERATE_PERMUTATIONS_2_EVENTS(irqsafe1_hard_spin) + ++#ifndef CONFIG_PREEMPT_RT ++ + #include "locking-selftest-rlock-hardirq.h" + GENERATE_PERMUTATIONS_2_EVENTS(irqsafe1_hard_rlock) + +@@ -802,9 +804,12 @@ GENERATE_PERMUTATIONS_2_EVENTS(irqsafe1_soft_rlock) + #include "locking-selftest-wlock-softirq.h" + GENERATE_PERMUTATIONS_2_EVENTS(irqsafe1_soft_wlock) + ++#endif ++ + #undef E1 + #undef E2 + ++#ifndef CONFIG_PREEMPT_RT + /* + * Enabling hardirqs with a softirq-safe lock held: + */ +@@ -837,6 +842,8 @@ GENERATE_PERMUTATIONS_2_EVENTS(irqsafe2A_rlock) + #undef E1 + #undef E2 + ++#endif ++ + /* + * Enabling irqs with an irq-safe lock held: + */ +@@ -860,6 +867,8 @@ GENERATE_PERMUTATIONS_2_EVENTS(irqsafe2A_rlock) + #include "locking-selftest-spin-hardirq.h" + GENERATE_PERMUTATIONS_2_EVENTS(irqsafe2B_hard_spin) + ++#ifndef CONFIG_PREEMPT_RT ++ + #include "locking-selftest-rlock-hardirq.h" + GENERATE_PERMUTATIONS_2_EVENTS(irqsafe2B_hard_rlock) + +@@ -875,6 +884,8 @@ GENERATE_PERMUTATIONS_2_EVENTS(irqsafe2B_soft_rlock) + #include "locking-selftest-wlock-softirq.h" + GENERATE_PERMUTATIONS_2_EVENTS(irqsafe2B_soft_wlock) + ++#endif ++ + #undef E1 + #undef E2 + +@@ -906,6 +917,8 @@ GENERATE_PERMUTATIONS_2_EVENTS(irqsafe2B_soft_wlock) + #include "locking-selftest-spin-hardirq.h" + GENERATE_PERMUTATIONS_3_EVENTS(irqsafe3_hard_spin) + ++#ifndef CONFIG_PREEMPT_RT ++ + #include "locking-selftest-rlock-hardirq.h" + GENERATE_PERMUTATIONS_3_EVENTS(irqsafe3_hard_rlock) + +@@ -921,6 +934,8 @@ GENERATE_PERMUTATIONS_3_EVENTS(irqsafe3_soft_rlock) + #include "locking-selftest-wlock-softirq.h" + GENERATE_PERMUTATIONS_3_EVENTS(irqsafe3_soft_wlock) + ++#endif ++ + #undef E1 + #undef E2 + #undef E3 +@@ -954,6 +969,8 @@ GENERATE_PERMUTATIONS_3_EVENTS(irqsafe3_soft_wlock) + #include "locking-selftest-spin-hardirq.h" + GENERATE_PERMUTATIONS_3_EVENTS(irqsafe4_hard_spin) + ++#ifndef CONFIG_PREEMPT_RT ++ + #include "locking-selftest-rlock-hardirq.h" + GENERATE_PERMUTATIONS_3_EVENTS(irqsafe4_hard_rlock) + +@@ -969,10 +986,14 @@ GENERATE_PERMUTATIONS_3_EVENTS(irqsafe4_soft_rlock) + #include "locking-selftest-wlock-softirq.h" + GENERATE_PERMUTATIONS_3_EVENTS(irqsafe4_soft_wlock) + ++#endif ++ + #undef E1 + #undef E2 + #undef E3 + ++#ifndef CONFIG_PREEMPT_RT ++ + /* + * read-lock / write-lock irq inversion. + * +@@ -1162,6 +1183,11 @@ GENERATE_PERMUTATIONS_3_EVENTS(W1W2_R2R3_R3W1) + #undef E1 + #undef E2 + #undef E3 ++ ++#endif ++ ++#ifndef CONFIG_PREEMPT_RT ++ + /* + * read-lock / write-lock recursion that is actually safe. + */ +@@ -1208,6 +1234,8 @@ GENERATE_PERMUTATIONS_3_EVENTS(irq_read_recursion_soft_wlock) + #undef E2 + #undef E3 + ++#endif ++ + /* + * read-lock / write-lock recursion that is unsafe. + */ +-- +2.43.0 + |