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cf657269d3
linux/net/rds
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Santosh Shilimkar cf657269d3 RDS: IB: fix panic due to handlers running post teardown 
Shutdown code reaping loop takes care of emptying the
CQ's before they being destroyed. And once tasklets are
killed, the hanlders are not expected to run.

But because of core tasklet code issues, tasklet handler could
still run even after tasklet_kill,
RDS IB shutdown code already reaps the CQs before freeing
cq/qp resources so as such the handlers have nothing left
to do post shutdown.

On other hand any handler running after teardown and trying
to access already freed qp/cq resources causes issues
Patch fixes this race by  makes sure that handlers returns
without any action post teardown.

Reviewed-by: Wengang <wen.gang.wang@oracle.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
2017-01-02 14:02:55 -08:00
..
af_rds.c RDS: TCP: Track peer's connection generation number 2016-11-17 13:35:18 -05:00
bind.c RDS: log the address on bind failure 2017-01-02 14:02:39 -08:00
cong.c RDS: split out connection specific state from rds_connection to rds_conn_path 2016-06-14 23:50:41 -07:00
connection.c RDS: mark few internal functions static to make sparse build happy 2017-01-02 14:02:40 -08:00
ib_cm.c RDS: IB: fix panic due to handlers running post teardown 2017-01-02 14:02:55 -08:00
ib_fmr.c RDS: IB: move FMR code to its own file 2016-03-02 14:13:18 -05:00
ib_frmr.c RDS: IB: split the mr registration and invalidation path 2017-01-02 14:02:47 -08:00
ib_mr.h RDS: IB: Support Fastreg MR (FRMR) memory registration mode 2016-03-02 14:13:19 -05:00
ib_rdma.c RDS: split out connection specific state from rds_connection to rds_conn_path 2016-06-14 23:50:41 -07:00
ib_recv.c RDS: IB: add few useful cache stasts 2017-01-02 14:02:51 -08:00
ib_ring.c RDS/IW+IB: Set recv ring low water mark to 1/2 full. 2009-04-09 17:21:14 -07:00
ib_send.c RDS: RDMA: Fix the composite message user notification 2017-01-02 14:02:54 -08:00
ib_stats.c RDS: IB: add few useful cache stasts 2017-01-02 14:02:51 -08:00
ib_sysctl.c net: Convert uses of typedef ctl_table to struct ctl_table 2013-06-13 02:36:09 -07:00
ib.c RDS: IB: Add vector spreading for cqs 2017-01-02 14:02:52 -08:00
ib.h RDS: IB: fix panic due to handlers running post teardown 2017-01-02 14:02:55 -08:00
info.c rds: fix an integer overflow test in rds_info_getsockopt() 2015-08-03 15:20:16 -07:00
info.h RDS: Info and stats 2009-02-26 23:39:25 -08:00
Kconfig RDS: Drop stale iWARP RDMA transport 2016-03-02 14:13:17 -05:00
loop.c RDS: TCP: Hooks to set up a single connection path 2016-07-01 16:45:17 -04:00
loop.h RDS: loopback 2009-02-26 23:39:26 -08:00
Makefile rds: debug messages are enabled by default 2016-10-29 15:55:57 -04:00
message.c RDS: TCP: Track peer's connection generation number 2016-11-17 13:35:18 -05:00
page.c RDS: memory allocated must be align to 8 2016-04-07 16:58:27 -04:00
rdma_transport.c RDS: RDMA: start rdma listening after init 2017-01-02 14:02:45 -08:00
rdma_transport.h RDS: Drop stale iWARP RDMA transport 2016-03-02 14:13:17 -05:00
rdma.c RDS: RDMA: Fix the composite message user notification 2017-01-02 14:02:54 -08:00
rds_single_path.h RDS: split out connection specific state from rds_connection to rds_conn_path 2016-06-14 23:50:41 -07:00
rds.h RDS: RDMA: Fix the composite message user notification 2017-01-02 14:02:54 -08:00
recv.c RDS: TCP: Track peer's connection generation number 2016-11-17 13:35:18 -05:00
send.c RDS: RDMA: Fix the composite message user notification 2017-01-02 14:02:54 -08:00
stats.c net/rds: zero last byte for strncpy 2013-03-08 00:35:44 -05:00
sysctl.c net: rds: fix coding style issues 2016-06-18 21:34:09 -07:00
tcp_connect.c RDS: TCP: Force every connection to be initiated by numerically smaller IP address 2016-11-17 13:35:18 -05:00
tcp_listen.c RDS: mark few internal functions static to make sparse build happy 2017-01-02 14:02:40 -08:00
tcp_recv.c RDS: TCP: make receive path use the rds_conn_path 2016-07-01 16:45:17 -04:00
tcp_send.c RDS: TCP: set RDS_FLAG_RETRANSMITTED in cp_retrans list 2016-11-17 13:35:18 -05:00
tcp_stats.c net: rds: fix const array syntax 2011-07-01 16:16:19 -07:00
tcp.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-12-03 12:29:53 -05:00
tcp.h RDS: TCP: avoid bad page reference in rds_tcp_listen_data_ready 2016-07-15 11:36:57 -07:00
threads.c rds: Remove duplicate prefix from rds_conn_path_error use 2016-10-17 11:07:22 -04:00
transport.c net: rds: fix coding style issues 2016-06-18 21:34:09 -07:00