From 782257b0979a2f9cc84d6962329f3fddf28cbd7d Mon Sep 17 00:00:00 2001 From: "Liam R. Howlett" Date: Tue, 21 Apr 2020 15:53:27 -0400 Subject: [PATCH] test_maple_tree: Add test which discovered the retry limit issues. Signed-off-by: Liam R. Howlett --- lib/test_maple_tree.c | 138 +++++++++++++++++++++++++++++++++++++++++- 1 file changed, 137 insertions(+), 1 deletion(-) diff --git a/lib/test_maple_tree.c b/lib/test_maple_tree.c index fda68625687f..4d9a8fa516db 100644 --- a/lib/test_maple_tree.c +++ b/lib/test_maple_tree.c @@ -10833,8 +10833,135 @@ ERASE, 140708393312256, 140708393316351, ERASE, 140708393308160, 140708393312255, ERASE, 140708393291776, 140708393308159, }; + unsigned long set22[] = { +STORE, 93951397134336, 93951397183487, +STORE, 93951397183488, 93951397728255, +STORE, 93951397728256, 93951397826559, +STORE, 93951397826560, 93951397842943, +STORE, 93951397842944, 93951397847039, +STORE, 93951425974272, 93951426109439, +STORE, 140685152665600, 140685152677887, +STORE, 140685152677888, 140685152829439, +STORE, 140685152829440, 140685154181119, +STORE, 140685154181120, 140685154484223, +STORE, 140685154484224, 140685154496511, +STORE, 140685154496512, 140685154508799, +STORE, 140685154508800, 140685154525183, +STORE, 140685154525184, 140685154541567, +STORE, 140685154541568, 140685154590719, +STORE, 140685154590720, 140685154603007, +STORE, 140685154603008, 140685154607103, +STORE, 140685154607104, 140685154611199, +STORE, 140685154611200, 140685154615295, +STORE, 140685154615296, 140685154631679, +STORE, 140685154639872, 140685154643967, +STORE, 140685154643968, 140685154766847, +STORE, 140685154766848, 140685154799615, +STORE, 140685154803712, 140685154807807, +STORE, 140685154807808, 140685154811903, +STORE, 140685154811904, 140685154815999, +STORE, 140722188902400, 140722189037567, +STORE, 140722189512704, 140722189524991, +STORE, 140722189524992, 140722189529087, +STORE, 140737488347136, 140737488351231, +STORE, 140733429354496, 140737488351231, +SNULL, 140733429358591, 140737488351231, +STORE, 140733429354496, 140733429358591, +STORE, 140733429223424, 140733429358591, +STORE, 94526683537408, 94526683660287, +SNULL, 94526683553791, 94526683660287, +STORE, 94526683537408, 94526683553791, +STORE, 94526683553792, 94526683660287, +ERASE, 94526683553792, 94526683660287, +STORE, 94526683553792, 94526683623423, +STORE, 94526683623424, 94526683647999, +STORE, 94526683652096, 94526683660287, +STORE, 140551363747840, 140551363923967, +SNULL, 140551363751935, 140551363923967, +STORE, 140551363747840, 140551363751935, +STORE, 140551363751936, 140551363923967, +ERASE, 140551363751936, 140551363923967, +STORE, 140551363751936, 140551363874815, +STORE, 140551363874816, 140551363907583, +STORE, 140551363911680, 140551363919871, +STORE, 140551363919872, 140551363923967, +STORE, 140733429690368, 140733429694463, +STORE, 140733429678080, 140733429690367, +STORE, 140551363739648, 140551363747839, +STORE, 140551363731456, 140551363739647, +STORE, 140551363379200, 140551363731455, +SNULL, 140551363379200, 140551363420159, +STORE, 140551363420160, 140551363731455, +STORE, 140551363379200, 140551363420159, +SNULL, 140551363706879, 140551363731455, +STORE, 140551363420160, 140551363706879, +STORE, 140551363706880, 140551363731455, +SNULL, 140551363420160, 140551363637247, +STORE, 140551363637248, 140551363706879, +STORE, 140551363420160, 140551363637247, +ERASE, 140551363420160, 140551363637247, +STORE, 140551363420160, 140551363637247, +SNULL, 140551363637248, 140551363702783, +STORE, 140551363702784, 140551363706879, +STORE, 140551363637248, 140551363702783, +ERASE, 140551363637248, 140551363702783, +STORE, 140551363637248, 140551363702783, +ERASE, 140551363706880, 140551363731455, +STORE, 140551363706880, 140551363731455, +STORE, 140551361531904, 140551363379199, +SNULL, 140551361683455, 140551363379199, +STORE, 140551361531904, 140551361683455, +STORE, 140551361683456, 140551363379199, +SNULL, 140551361683456, 140551363035135, +STORE, 140551363035136, 140551363379199, +STORE, 140551361683456, 140551363035135, +ERASE, 140551361683456, 140551363035135, +STORE, 140551361683456, 140551363035135, +SNULL, 140551363035136, 140551363338239, +STORE, 140551363338240, 140551363379199, +STORE, 140551363035136, 140551363338239, +ERASE, 140551363035136, 140551363338239, +STORE, 140551363035136, 140551363379199, +SNULL, 140551363338239, 140551363379199, +STORE, 140551363035136, 140551363338239, +STORE, 140551363338240, 140551363379199, +SNULL, 140551363338240, 140551363362815, +STORE, 140551363362816, 140551363379199, +STORE, 140551363338240, 140551363362815, +ERASE, 140551363338240, 140551363362815, +STORE, 140551363338240, 140551363362815, +ERASE, 140551363362816, 140551363379199, +STORE, 140551363362816, 140551363379199, +STORE, 140551361519616, 140551361531903, +SNULL, 140551363350527, 140551363362815, +STORE, 140551363338240, 140551363350527, +STORE, 140551363350528, 140551363362815, +SNULL, 140551363727359, 140551363731455, +STORE, 140551363706880, 140551363727359, +STORE, 140551363727360, 140551363731455, +SNULL, 94526683656191, 94526683660287, +STORE, 94526683652096, 94526683656191, +STORE, 94526683656192, 94526683660287, +SNULL, 140551363915775, 140551363919871, +STORE, 140551363911680, 140551363915775, +STORE, 140551363915776, 140551363919871, +ERASE, 140551363739648, 140551363747839, +STORE, 94526715490304, 94526715625471, +STORE, 140551361253376, 140551361531903, +STORE, 140551360987136, 140551361531903, +STORE, 140551360720896, 140551361531903, +STORE, 140551360454656, 140551361531903, +SNULL, 140551361253375, 140551361531903, +STORE, 140551360454656, 140551361253375, +STORE, 140551361253376, 140551361531903, +SNULL, 140551361253376, 140551361519615, +STORE, 140551361519616, 140551361531903, +STORE, 140551361253376, 140551361519615, +ERASE, 140551361253376, 140551361519615, + }; int cnt = 0; + void *ptr = NULL; MA_STATE(mas, mt, 0, 0); mt_set_non_kernel(3); @@ -11005,6 +11132,15 @@ ERASE, 140708393291776, 140708393308159, rcu_barrier(); mt_validate(mt); mtree_destroy(mt); + + mt_set_non_kernel(999); + mtree_init(mt, MAPLE_ALLOC_RANGE); + check_erase2_testset(mt, set22, ARRAY_SIZE(set22)); + rcu_barrier(); + mt_validate(mt); + ptr = mtree_load(mt, 140551363362816); + MT_BUG_ON(mt, ptr == mtree_load(mt, 140551363420159)); + mtree_destroy(mt); } static noinline void check_alloc_rev_range(struct maple_tree *mt) @@ -11293,7 +11429,7 @@ static noinline void check_alloc_range(struct maple_tree *mt) req_range[i + 1] >> 12, req_range[i + 2] >> 12, req_range[i + 3] >> 12); -#endif +#endif check_mtree_alloc_range(mt, req_range[i] >> 12, // start req_range[i+1] >> 12, // end -- 2.50.1