[PATCH 1/3] rhashtable-test: add cond_resched() to thread test

From	Phil Sutter <phil@nwl.cc>
Newsgroups	linux.kernel
Subject	[PATCH 1/3] rhashtable-test: add cond_resched() to thread test
Date	2015-08-28 12:30 +0200
Message-ID	<q2p50-t4-1@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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This should fix for soft lockup bugs triggered on slow systems.

Signed-off-by: Phil Sutter <phil@nwl.cc>
---
 lib/test_rhashtable.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/test_rhashtable.c b/lib/test_rhashtable.c
index 8c1ad1c..63654e3 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) {
-- 
2.1.2

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[PATCH 1/3] rhashtable-test: add cond_resched() to thread test Phil Sutter <phil@nwl.cc> - 2015-08-28 12:30 +0200
  [PATCH 2/3] rhashtable-test: retry insert operations in threads Phil Sutter <phil@nwl.cc> - 2015-08-28 12:30 +0200
    Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads Thomas Graf <tgraf@suug.ch> - 2015-08-28 13:10 +0200
      Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads Phil Sutter <phil@nwl.cc> - 2015-08-28 13:20 +0200
        Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads Phil Sutter <phil@nwl.cc> - 2015-08-28 15:40 +0200
          Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads Thomas Graf <tgraf@suug.ch> - 2015-08-29 00:50 +0200
            Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads Phil Sutter <phil@nwl.cc> - 2015-08-29 11:10 +0200
              Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads Herbert Xu <herbert@gondor.apana.org.au> - 2015-08-30 09:50 +0200
                Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads Phil Sutter <phil@nwl.cc> - 2015-08-31 13:10 +0200
                Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads Herbert Xu <herbert@gondor.apana.org.au> - 2015-09-01 13:50 +0200
                Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads Phil Sutter <phil@nwl.cc> - 2015-09-01 14:50 +0200
                Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads Herbert Xu <herbert@gondor.apana.org.au> - 2015-09-01 15:10 +0200
                Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads Eric Dumazet <eric.dumazet@gmail.com> - 2015-09-01 15:50 +0200
                Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads Phil Sutter <phil@nwl.cc> - 2015-09-01 15:50 +0200
                Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads Herbert Xu <herbert@gondor.apana.org.au> - 2015-09-01 16:00 +0200
                Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads Phil Sutter <phil@nwl.cc> - 2015-09-01 16:00 +0200
                Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads Herbert Xu <herbert@gondor.apana.org.au> - 2015-09-01 16:10 +0200
                Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads Thomas Graf <tgraf@suug.ch> - 2015-09-01 16:20 +0200
                Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads Herbert Xu <herbert@gondor.apana.org.au> - 2015-09-01 16:20 +0200
                Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads Thomas Graf <tgraf@suug.ch> - 2015-09-01 17:00 +0200
                Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads Herbert Xu <herbert@gondor.apana.org.au> - 2015-09-02 04:10 +0200
                Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads Thomas Graf <tgraf@suug.ch> - 2015-09-02 09:10 +0200
  [PATCH 3/3] rhashtable-test: calculate max_entries value by default Phil Sutter <phil@nwl.cc> - 2015-08-28 12:30 +0200
    Re: [PATCH 3/3] rhashtable-test: calculate max_entries value by  default Thomas Graf <tgraf@suug.ch> - 2015-08-28 13:20 +0200
  Re: [PATCH 1/3] rhashtable-test: add cond_resched() to thread test Thomas Graf <tgraf@suug.ch> - 2015-08-28 13:10 +0200

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