AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-25 00:50:54 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

RDS/IB: wait for IB dev freeing work to finish during rmmod

Browse Source 
The RDS IB client removal callback can queue work to drop the final reference
to an IB device.  We have to make sure that this function has returned before
we complete rmmod or the work threads can try to execute freed code.

Signed-off-by: Zach Brown <zach.brown@oracle.com>
This commit is contained in:
Zach Brown 2010-06-25 14:59:49 -07:00 committed by Andy Grover
parent b6fb0df12d
commit 24fa163a4b
1 changed files with 9 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
net/rds/ib.c
View File

@ -336,11 +336,18 @@ static int rds_ib_laddr_check(__be32 addr)
return ret; return ret;
} }
static void rds_ib_unregister_client(void)
{
ib_unregister_client(&rds_ib_client);
/* wait for rds_ib_dev_free() to complete */
flush_workqueue(rds_wq);
}
void rds_ib_exit(void) void rds_ib_exit(void)
{ {
rds_info_deregister_func(RDS_INFO_IB_CONNECTIONS, rds_ib_ic_info); rds_info_deregister_func(RDS_INFO_IB_CONNECTIONS, rds_ib_ic_info);
rds_ib_destroy_nodev_conns(); rds_ib_destroy_nodev_conns();
ib_unregister_client(&rds_ib_client); rds_ib_unregister_client();
rds_ib_sysctl_exit(); rds_ib_sysctl_exit();
rds_ib_recv_exit(); rds_ib_recv_exit();
rds_trans_unregister(&rds_ib_transport); rds_trans_unregister(&rds_ib_transport);
@ -404,7 +411,7 @@ int __init rds_ib_init(void)
out_sysctl: out_sysctl:
rds_ib_sysctl_exit(); rds_ib_sysctl_exit();
out_ibreg: out_ibreg:
ib_unregister_client(&rds_ib_client); rds_ib_unregister_client();
out: out:
return ret; return ret;
} }