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| Started by | Davidlohr Bueso <dave@stgolabs.net> |
|---|---|
| First post | 2017-04-06 11:00 +0200 |
| Last post | 2017-04-06 11:00 +0200 |
| Articles | 1 — 1 participant |
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[PATCH 3/6] locking/locktorture: Fix rwsem reader_delay Davidlohr Bueso <dave@stgolabs.net> - 2017-04-06 11:00 +0200
| From | Davidlohr Bueso <dave@stgolabs.net> |
|---|---|
| Date | 2017-04-06 11:00 +0200 |
| Subject | [PATCH 3/6] locking/locktorture: Fix rwsem reader_delay |
| Message-ID | <ttbqN-6ei-3@gated-at.bofh.it> |
We should account for nreader threads, not writers in this callback. Could even trigger a div by 0 if the user explicitly disables writers. Signed-off-by: Davidlohr Bueso <dbueso@suse.de> --- kernel/locking/locktorture.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/locking/locktorture.c b/kernel/locking/locktorture.c index f24582d4dad3..0ef5510f8742 100644 --- a/kernel/locking/locktorture.c +++ b/kernel/locking/locktorture.c @@ -570,7 +570,7 @@ static void torture_rwsem_read_delay(struct torture_random_state *trsp) /* We want a long delay occasionally to force massive contention. */ if (!(torture_random(trsp) % - (cxt.nrealwriters_stress * 2000 * longdelay_ms))) + (cxt.nrealreaders_stress * 2000 * longdelay_ms))) mdelay(longdelay_ms * 2); else mdelay(longdelay_ms / 2); -- 2.12.0
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