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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2021-03-31 14:59:19 -0400 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2021-04-01 07:41:30 -0400 |
| commit | 1bb4bd266cf39fd2fa711f2d265c558b92df1119 (patch) | |
| tree | 9c38ae5cb23856d0efcef808ac667a41aedc14b5 /tools/testing/radix-tree/xarray.c | |
| parent | 7487de534dcbe143e6f41da751dd3ffcf93b00ee (diff) | |
| download | lwn-1bb4bd266cf39fd2fa711f2d265c558b92df1119.tar.gz lwn-1bb4bd266cf39fd2fa711f2d265c558b92df1119.zip | |
radix tree test suite: Register the main thread with the RCU library
Several test runners register individual worker threads with the
RCU library, but neglect to register the main thread, which can lead
to objects being freed while the main thread is in what appears to be
an RCU critical section.
Reported-by: Chris von Recklinghausen <crecklin@redhat.com>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Diffstat (limited to 'tools/testing/radix-tree/xarray.c')
| -rw-r--r-- | tools/testing/radix-tree/xarray.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/testing/radix-tree/xarray.c b/tools/testing/radix-tree/xarray.c index e61e43efe463..f20e12cbbfd4 100644 --- a/tools/testing/radix-tree/xarray.c +++ b/tools/testing/radix-tree/xarray.c @@ -25,11 +25,13 @@ void xarray_tests(void) int __weak main(void) { + rcu_register_thread(); radix_tree_init(); xarray_tests(); radix_tree_cpu_dead(1); rcu_barrier(); if (nr_allocated) printf("nr_allocated = %d\n", nr_allocated); + rcu_unregister_thread(); return 0; } |