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| author | Phil Sutter <phil@nwl.cc> | 2015-11-20 18:17:17 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-11-23 12:36:08 -0500 |
| commit | cd5b318daf4aecd249c3f07df93700c0f749484c (patch) | |
| tree | 6a75d0824547703d363cf8527afbeee1db7f4759 /lib/test_rhashtable.c | |
| parent | 3d40e44361eab3dd6c969241d12dac7466eb7174 (diff) | |
| download | lwn-cd5b318daf4aecd249c3f07df93700c0f749484c.tar.gz lwn-cd5b318daf4aecd249c3f07df93700c0f749484c.zip | |
rhashtable-test: add cond_resched() to thread test
This should fix for soft lockup bugs triggered on slow systems.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'lib/test_rhashtable.c')
| -rw-r--r-- | lib/test_rhashtable.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/test_rhashtable.c b/lib/test_rhashtable.c index 8c1ad1ced72c..63654e359256 100644 --- a/lib/test_rhashtable.c +++ b/lib/test_rhashtable.c @@ -236,6 +236,8 @@ static int thread_lookup_test(struct thread_data *tdata) obj->value, key); err++; } + + cond_resched(); } return err; } @@ -251,6 +253,7 @@ static int threadfunc(void *data) for (i = 0; i < entries; i++) { tdata->objs[i].value = (tdata->id << 16) | i; + cond_resched(); err = rhashtable_insert_fast(&ht, &tdata->objs[i].node, test_rht_params); if (err == -ENOMEM || err == -EBUSY) { @@ -285,6 +288,8 @@ static int threadfunc(void *data) goto out; } tdata->objs[i].value = TEST_INSERT_FAIL; + + cond_resched(); } err = thread_lookup_test(tdata); if (err) { |