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alistair23-linux
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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>
hifive-unleashed-5.1
Phil Sutter 2015-11-20 18:17:17 +01:00 committed by David S. Miller
parent 3d40e44361
commit cd5b318daf
1 changed files with 5 additions and 0 deletions
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5
lib/test_rhashtable.c
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@ -236,6 +236,8 @@ static int thread_lookup_test(struct thread_data *tdata)
obj->value, key); obj->value, key);
err++; err++;
} }
cond_resched();
} }
return err; return err;
} }
@ -251,6 +253,7 @@ static int threadfunc(void *data)
for (i = 0; i < entries; i++) { for (i = 0; i < entries; i++) {
tdata->objs[i].value = (tdata->id << 16) | i; tdata->objs[i].value = (tdata->id << 16) | i;
cond_resched();
err = rhashtable_insert_fast(&ht, &tdata->objs[i].node, err = rhashtable_insert_fast(&ht, &tdata->objs[i].node,
test_rht_params); test_rht_params);
if (err == -ENOMEM || err == -EBUSY) { if (err == -ENOMEM || err == -EBUSY) {
@ -285,6 +288,8 @@ static int threadfunc(void *data)
goto out; goto out;
} }
tdata->objs[i].value = TEST_INSERT_FAIL; tdata->objs[i].value = TEST_INSERT_FAIL;
cond_resched();
} }
err = thread_lookup_test(tdata); err = thread_lookup_test(tdata);
if (err) { if (err) {