From 2513940989fa2c56d0aeb4f5792d22804d92ab4c Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Fri, 25 Nov 2016 09:45:28 +1100 Subject: locking/selftest: Fix output since KERN_CONT changes Since the KERN_CONT changes the locking-selftest output is messed up, eg: ---------------------------------------------------------------------------- | spin |wlock |rlock |mutex | wsem | rsem | -------------------------------------------------------------------------- A-A deadlock: ok | ok | ok | ok | ok | ok | Use pr_cont() to get it looking normal again: ---------------------------------------------------------------------------- | spin |wlock |rlock |mutex | wsem | rsem | -------------------------------------------------------------------------- A-A deadlock: ok | ok | ok | ok | ok | ok | Reported-by: Christian Kujau Signed-off-by: Michael Ellerman Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: linuxppc-dev@ozlabs.org Link: http://lkml.kernel.org/r/1480027528-934-1-git-send-email-mpe@ellerman.id.au Signed-off-by: Ingo Molnar --- lib/locking-selftest.c | 66 +++++++++++++++++++++++++------------------------- 1 file changed, 33 insertions(+), 33 deletions(-) (limited to 'lib') diff --git a/lib/locking-selftest.c b/lib/locking-selftest.c index 872a15a2a637..f3a217ea0388 100644 --- a/lib/locking-selftest.c +++ b/lib/locking-selftest.c @@ -980,23 +980,23 @@ static void dotest(void (*testcase_fn)(void), int expected, int lockclass_mask) #ifndef CONFIG_PROVE_LOCKING if (expected == FAILURE && debug_locks) { expected_testcase_failures++; - printk("failed|"); + pr_cont("failed|"); } else #endif if (debug_locks != expected) { unexpected_testcase_failures++; - printk("FAILED|"); + pr_cont("FAILED|"); dump_stack(); } else { testcase_successes++; - printk(" ok |"); + pr_cont(" ok |"); } testcase_total++; if (debug_locks_verbose) - printk(" lockclass mask: %x, debug_locks: %d, expected: %d\n", + pr_cont(" lockclass mask: %x, debug_locks: %d, expected: %d\n", lockclass_mask, debug_locks, expected); /* * Some tests (e.g. double-unlock) might corrupt the preemption @@ -1021,26 +1021,26 @@ static inline void print_testname(const char *testname) #define DO_TESTCASE_1(desc, name, nr) \ print_testname(desc"/"#nr); \ dotest(name##_##nr, SUCCESS, LOCKTYPE_RWLOCK); \ - printk("\n"); + pr_cont("\n"); #define DO_TESTCASE_1B(desc, name, nr) \ print_testname(desc"/"#nr); \ dotest(name##_##nr, FAILURE, LOCKTYPE_RWLOCK); \ - printk("\n"); + pr_cont("\n"); #define DO_TESTCASE_3(desc, name, nr) \ print_testname(desc"/"#nr); \ dotest(name##_spin_##nr, FAILURE, LOCKTYPE_SPIN); \ dotest(name##_wlock_##nr, FAILURE, LOCKTYPE_RWLOCK); \ dotest(name##_rlock_##nr, SUCCESS, LOCKTYPE_RWLOCK); \ - printk("\n"); + pr_cont("\n"); #define DO_TESTCASE_3RW(desc, name, nr) \ print_testname(desc"/"#nr); \ dotest(name##_spin_##nr, FAILURE, LOCKTYPE_SPIN|LOCKTYPE_RWLOCK);\ dotest(name##_wlock_##nr, FAILURE, LOCKTYPE_RWLOCK); \ dotest(name##_rlock_##nr, SUCCESS, LOCKTYPE_RWLOCK); \ - printk("\n"); + pr_cont("\n"); #define DO_TESTCASE_6(desc, name) \ print_testname(desc); \ @@ -1050,7 +1050,7 @@ static inline void print_testname(const char *testname) dotest(name##_mutex, FAILURE, LOCKTYPE_MUTEX); \ dotest(name##_wsem, FAILURE, LOCKTYPE_RWSEM); \ dotest(name##_rsem, FAILURE, LOCKTYPE_RWSEM); \ - printk("\n"); + pr_cont("\n"); #define DO_TESTCASE_6_SUCCESS(desc, name) \ print_testname(desc); \ @@ -1060,7 +1060,7 @@ static inline void print_testname(const char *testname) dotest(name##_mutex, SUCCESS, LOCKTYPE_MUTEX); \ dotest(name##_wsem, SUCCESS, LOCKTYPE_RWSEM); \ dotest(name##_rsem, SUCCESS, LOCKTYPE_RWSEM); \ - printk("\n"); + pr_cont("\n"); /* * 'read' variant: rlocks must not trigger. @@ -1073,7 +1073,7 @@ static inline void print_testname(const char *testname) dotest(name##_mutex, FAILURE, LOCKTYPE_MUTEX); \ dotest(name##_wsem, FAILURE, LOCKTYPE_RWSEM); \ dotest(name##_rsem, FAILURE, LOCKTYPE_RWSEM); \ - printk("\n"); + pr_cont("\n"); #define DO_TESTCASE_2I(desc, name, nr) \ DO_TESTCASE_1("hard-"desc, name##_hard, nr); \ @@ -1726,25 +1726,25 @@ static void ww_tests(void) dotest(ww_test_fail_acquire, SUCCESS, LOCKTYPE_WW); dotest(ww_test_normal, SUCCESS, LOCKTYPE_WW); dotest(ww_test_unneeded_slow, FAILURE, LOCKTYPE_WW); - printk("\n"); + pr_cont("\n"); print_testname("ww contexts mixing"); dotest(ww_test_two_contexts, FAILURE, LOCKTYPE_WW); dotest(ww_test_diff_class, FAILURE, LOCKTYPE_WW); - printk("\n"); + pr_cont("\n"); print_testname("finishing ww context"); dotest(ww_test_context_done_twice, FAILURE, LOCKTYPE_WW); dotest(ww_test_context_unlock_twice, FAILURE, LOCKTYPE_WW); dotest(ww_test_context_fini_early, FAILURE, LOCKTYPE_WW); dotest(ww_test_context_lock_after_done, FAILURE, LOCKTYPE_WW); - printk("\n"); + pr_cont("\n"); print_testname("locking mismatches"); dotest(ww_test_object_unlock_twice, FAILURE, LOCKTYPE_WW); dotest(ww_test_object_lock_unbalanced, FAILURE, LOCKTYPE_WW); dotest(ww_test_object_lock_stale_context, FAILURE, LOCKTYPE_WW); - printk("\n"); + pr_cont("\n"); print_testname("EDEADLK handling"); dotest(ww_test_edeadlk_normal, SUCCESS, LOCKTYPE_WW); @@ -1757,11 +1757,11 @@ static void ww_tests(void) dotest(ww_test_edeadlk_acquire_more_edeadlk_slow, FAILURE, LOCKTYPE_WW); dotest(ww_test_edeadlk_acquire_wrong, FAILURE, LOCKTYPE_WW); dotest(ww_test_edeadlk_acquire_wrong_slow, FAILURE, LOCKTYPE_WW); - printk("\n"); + pr_cont("\n"); print_testname("spinlock nest unlocked"); dotest(ww_test_spin_nest_unlocked, FAILURE, LOCKTYPE_WW); - printk("\n"); + pr_cont("\n"); printk(" -----------------------------------------------------\n"); printk(" |block | try |context|\n"); @@ -1771,25 +1771,25 @@ static void ww_tests(void) dotest(ww_test_context_block, FAILURE, LOCKTYPE_WW); dotest(ww_test_context_try, SUCCESS, LOCKTYPE_WW); dotest(ww_test_context_context, SUCCESS, LOCKTYPE_WW); - printk("\n"); + pr_cont("\n"); print_testname("try"); dotest(ww_test_try_block, FAILURE, LOCKTYPE_WW); dotest(ww_test_try_try, SUCCESS, LOCKTYPE_WW); dotest(ww_test_try_context, FAILURE, LOCKTYPE_WW); - printk("\n"); + pr_cont("\n"); print_testname("block"); dotest(ww_test_block_block, FAILURE, LOCKTYPE_WW); dotest(ww_test_block_try, SUCCESS, LOCKTYPE_WW); dotest(ww_test_block_context, FAILURE, LOCKTYPE_WW); - printk("\n"); + pr_cont("\n"); print_testname("spinlock"); dotest(ww_test_spin_block, FAILURE, LOCKTYPE_WW); dotest(ww_test_spin_try, SUCCESS, LOCKTYPE_WW); dotest(ww_test_spin_context, FAILURE, LOCKTYPE_WW); - printk("\n"); + pr_cont("\n"); } void locking_selftest(void) @@ -1829,32 +1829,32 @@ void locking_selftest(void) printk(" --------------------------------------------------------------------------\n"); print_testname("recursive read-lock"); - printk(" |"); + pr_cont(" |"); dotest(rlock_AA1, SUCCESS, LOCKTYPE_RWLOCK); - printk(" |"); + pr_cont(" |"); dotest(rsem_AA1, FAILURE, LOCKTYPE_RWSEM); - printk("\n"); + pr_cont("\n"); print_testname("recursive read-lock #2"); - printk(" |"); + pr_cont(" |"); dotest(rlock_AA1B, SUCCESS, LOCKTYPE_RWLOCK); - printk(" |"); + pr_cont(" |"); dotest(rsem_AA1B, FAILURE, LOCKTYPE_RWSEM); - printk("\n"); + pr_cont("\n"); print_testname("mixed read-write-lock"); - printk(" |"); + pr_cont(" |"); dotest(rlock_AA2, FAILURE, LOCKTYPE_RWLOCK); - printk(" |"); + pr_cont(" |"); dotest(rsem_AA2, FAILURE, LOCKTYPE_RWSEM); - printk("\n"); + pr_cont("\n"); print_testname("mixed write-read-lock"); - printk(" |"); + pr_cont(" |"); dotest(rlock_AA3, FAILURE, LOCKTYPE_RWLOCK); - printk(" |"); + pr_cont(" |"); dotest(rsem_AA3, FAILURE, LOCKTYPE_RWSEM); - printk("\n"); + pr_cont("\n"); printk(" --------------------------------------------------------------------------\n"); -- cgit v1.2.3 From 53855d10f4567a0577360b6448d52a863929775b Mon Sep 17 00:00:00 2001 From: Matthew Wilcox Date: Wed, 7 Dec 2016 14:44:33 -0800 Subject: radix tree test suite: fix compilation Patch "lib/radix-tree: Convert to hotplug state machine" breaks the test suite as it adds a call to cpuhp_setup_state_nocalls() which is not currently emulated in the test suite. Add it, and delete the emulation of the old CPU hotplug mechanism. Link: http://lkml.kernel.org/r/1480369871-5271-36-git-send-email-mawilcox@linuxonhyperv.com Signed-off-by: Matthew Wilcox Tested-by: Kirill A. Shutemov Cc: Konstantin Khlebnikov Cc: Ross Zwisler Cc: Matthew Wilcox Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- lib/radix-tree.c | 1 - 1 file changed, 1 deletion(-) (limited to 'lib') diff --git a/lib/radix-tree.c b/lib/radix-tree.c index 8e6d552c40dd..0d1d23ea7925 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -30,7 +30,6 @@ #include #include #include -#include #include #include #include -- cgit v1.2.3 From 2b41226b39b654a5e20bce5a7332f307fdb9156b Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Fri, 9 Dec 2016 10:41:42 -0800 Subject: Revert "radix tree test suite: fix compilation" This reverts commit 53855d10f4567a0577360b6448d52a863929775b. It shouldn't have come in yet - it depends on the changes in linux-next that will come in during the next merge window. As Matthew Wilcox says, the test suite is broken with the current state without the revert. Requested-by: Matthew Wilcox Cc: Andrew Morton Signed-off-by: Linus Torvalds --- lib/radix-tree.c | 1 + 1 file changed, 1 insertion(+) (limited to 'lib') diff --git a/lib/radix-tree.c b/lib/radix-tree.c index 0d1d23ea7925..8e6d552c40dd 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -30,6 +30,7 @@ #include #include #include +#include #include #include #include -- cgit v1.2.3