[SSI] openssi/kernel/include/cluster/ssi/ipc unixnm.h,1.14,1.15

Update of /cvsroot/ssic-linux/openssi/kernel/include/cluster/ssi/ipc
In directory fdv4jf1.ch3.sourceforge.com:/tmp/cvs-serv8304/include/cluster/ssi/ipc

Modified Files:
      Tag: OPENSSI-FC
	unixnm.h 
Log Message:
IPC:
- Fix uninitialized list_head in rmtunix_socket_info structure; SSI-1.9.0 bug. (#ifdef IPC_STALE_RMTUNIX_CACHE_FIX)

VPROC:
- Remove deprecated RW semaphore implementation of vproc list lock.
- Regression:
  - semi-deadlock in vproc_slave_carelist_create(); might sleep
    while holding vproc list lock. (#ifdef VPROC_LIST_SPINLOCK)

 cluster/ssi/vproc/dvp_debug.c       |   10 -------
 cluster/ssi/vproc/dvp_init.c        |   31 ++---------------------
 cluster/ssi/vproc/dvp_misc.c        |   24 +++---------------
 cluster/ssi/vproc/dvp_pvpsops.c     |   28 ++++-----------------
 cluster/ssi/vproc/dvp_vpops.c       |    8 ------
 cluster/ssi/vproc/nd_setup.c        |   24 +++---------------
 cluster/ssi/vproc/nd_slave.c        |   35 +++++++++++++++++++-------
 cluster/ssi/vproc/nsc_initproc.c    |    7 -----
 cluster/ssi/vproc/procfs_subr.c     |   24 ++++++------------
 cluster/ssi/vproc/rproc_svr_vproc.c |    8 ------
 cluster/ssi/vproc/vp_init.c         |   14 ++--------
 cluster/ssi/vproc/vp_subr.c         |   48 ++++++++++--------------------------
 include/cluster/ssi/ipc/unixnm.h    |    8 ++++--
 include/linux/vproc.h               |   19 ++++++--------
 14 files changed, 84 insertions(+), 204 deletions(-)


Index: unixnm.h
===================================================================
RCS file: /cvsroot/ssic-linux/openssi/kernel/include/cluster/ssi/ipc/unixnm.h,v
retrieving revision 1.14
retrieving revision 1.15
diff -u -d -r1.14 -r1.15
--- unixnm.h	8 Feb 2009 02:44:43 -0000	1.14
+++ unixnm.h	9 Feb 2009 05:00:36 -0000	1.15
@@ -249,6 +249,7 @@
 	--rmtunix_cache_size;
 #endif
 	spin_unlock(&rmtunix_cache_listlock);
+	/* Caller to free info */
 #endif /* !RCU_RMTUNIX_CACHE */
 }
 
@@ -257,13 +258,15 @@
 {
 	struct rmtunix_socket_info *info =
 			(struct rmtunix_socket_info *)(unix_peer(s));
+#ifndef RCU_RMTUNIX_CACHE
 	int orphan = 0;
 
-#ifndef RCU_RMTUNIX_CACHE
 	spin_lock(&rmtunix_cache_listlock);
-#endif
 	if (!info) {
 		orphan = 1;
+#else
+	if (!info) {
+#endif
 		info = rmtunix_cache_lookup(s);
 #ifdef IPC_STALE_RMTUNIX_CACHE_FIX
 		if (!info)
@@ -309,6 +312,7 @@
 		goto out;
 
 #ifdef IPC_STALE_RMTUNIX_CACHE_FIX
+	INIT_LIST_HEAD(&info->list);
 	atomic_set(&info->rsk_refcnt, 1);
 	INIT_SPIN_LOCK(&info->rsk_spinlock);
 #endif


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