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| author | Peter Zijlstra <peterz@infradead.org> | 2021-06-17 20:57:20 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-06-22 16:42:08 +0200 |
| commit | 1a8122960484b19d8d887fb32e1cf42be5647533 (patch) | |
| tree | a4f831268752ae252f4f8ff44f45b8915a8eb184 /lib/locking-selftest.c | |
| parent | c0c2c0dad6a06e0c05e9a52d65f932bd54364c97 (diff) | |
| download | lwn-1a8122960484b19d8d887fb32e1cf42be5647533.tar.gz lwn-1a8122960484b19d8d887fb32e1cf42be5647533.zip | |
lockdep/selftest: Remove wait-type RCU_CALLBACK tests
The problem is that rcu_callback_map doesn't have wait_types defined,
and doing so would make it indistinguishable from SOFTIRQ in any case.
Remove it.
Fixes: 9271a40d2a14 ("lockdep/selftest: Add wait context selftests")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Joerg Roedel <jroedel@suse.de>
Link: https://lore.kernel.org/r/20210617190313.384290291@infradead.org
Diffstat (limited to 'lib/locking-selftest.c')
| -rw-r--r-- | lib/locking-selftest.c | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/lib/locking-selftest.c b/lib/locking-selftest.c index af12e848a3ed..161108e5d2fe 100644 --- a/lib/locking-selftest.c +++ b/lib/locking-selftest.c @@ -2494,16 +2494,6 @@ static void rcu_sched_exit(int *_) int rcu_sched_guard_##name __guard(rcu_sched_exit); \ rcu_read_lock_sched(); -static void rcu_callback_exit(int *_) -{ - rcu_lock_release(&rcu_callback_map); -} - -#define RCU_CALLBACK_CONTEXT(name, ...) \ - int rcu_callback_guard_##name __guard(rcu_callback_exit); \ - rcu_lock_acquire(&rcu_callback_map); - - static void raw_spinlock_exit(raw_spinlock_t **lock) { raw_spin_unlock(*lock); @@ -2560,8 +2550,6 @@ static void __maybe_unused inner##_in_##outer(void) \ * ---------------+-------+----------+------+------- * RCU_BH | o | o | o | x * ---------------+-------+----------+------+------- - * RCU_CALLBACK | o | o | o | x - * ---------------+-------+----------+------+------- * RCU_SCHED | o | o | x | x * ---------------+-------+----------+------+------- * RAW_SPIN | o | o | x | x @@ -2578,7 +2566,6 @@ GENERATE_2_CONTEXT_TESTCASE(NOTTHREADED_HARDIRQ, , inner, inner_lock) \ GENERATE_2_CONTEXT_TESTCASE(SOFTIRQ, , inner, inner_lock) \ GENERATE_2_CONTEXT_TESTCASE(RCU, , inner, inner_lock) \ GENERATE_2_CONTEXT_TESTCASE(RCU_BH, , inner, inner_lock) \ -GENERATE_2_CONTEXT_TESTCASE(RCU_CALLBACK, , inner, inner_lock) \ GENERATE_2_CONTEXT_TESTCASE(RCU_SCHED, , inner, inner_lock) \ GENERATE_2_CONTEXT_TESTCASE(RAW_SPINLOCK, raw_lock_A, inner, inner_lock) \ GENERATE_2_CONTEXT_TESTCASE(SPINLOCK, lock_A, inner, inner_lock) \ @@ -2640,10 +2627,6 @@ static void wait_context_tests(void) DO_CONTEXT_TESTCASE_OUTER_LIMITED_PREEMPTIBLE(RCU_BH); pr_cont("\n"); - print_testname("in RCU callback context"); - DO_CONTEXT_TESTCASE_OUTER_LIMITED_PREEMPTIBLE(RCU_CALLBACK); - pr_cont("\n"); - print_testname("in RCU-sched context"); DO_CONTEXT_TESTCASE_OUTER_NOT_PREEMPTIBLE(RCU_SCHED); pr_cont("\n"); |