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| author | Jerry Jelinek <jerry.jelinek@joyent.com> | 2014-02-01 18:28:36 +0000 |
|---|---|---|
| committer | Jerry Jelinek <jerry.jelinek@joyent.com> | 2014-02-01 18:28:36 +0000 |
| commit | 436717be5f892d6881d4cc83cd8a4965e5f0d9fc (patch) | |
| tree | 132ee3d466d0e835202cf0892618ed535f214390 | |
| parent | a7c1d4aaba6cd3f4db6194949e6a8a54b49c2c1c (diff) | |
| download | illumos-joyent-436717be5f892d6881d4cc83cd8a4965e5f0d9fc.tar.gz | |
OS-2750 kstat_install()/header_kstat_snapshot() race induces panic
| -rw-r--r-- | usr/src/uts/common/os/kstat_fr.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/usr/src/uts/common/os/kstat_fr.c b/usr/src/uts/common/os/kstat_fr.c index 7cd75fa8a6..a9f2e8eede 100644 --- a/usr/src/uts/common/os/kstat_fr.c +++ b/usr/src/uts/common/os/kstat_fr.c @@ -20,7 +20,7 @@ */ /* * Copyright (c) 1992, 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright 2013, Joyent, Inc. All rights reserved. + * Copyright 2014, Joyent, Inc. All rights reserved. */ /* @@ -1208,7 +1208,9 @@ kstat_install(kstat_t *ksp) /* * Now that the kstat is active, make it visible to the kstat driver. */ + mutex_enter(&kstat_chain_lock); ksp->ks_flags &= ~KSTAT_FLAG_INVALID; + mutex_exit(&kstat_chain_lock); kstat_rele(ksp); } |