You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

Olaf Kirch bbdc2821db mlx4_core: Avoid recycling old FMR R_Keys too soon ... When a FMR is unmapped, mlx4 resets the map count to 0, and clears the upper part of the R_Key which is used as the sequence counter. This poses a problem for RDS, which uses ib_fmr_unmap as a fence operation. RDS assumes that after issuing an unmap, the old R_Keys will be invalid for a "reasonable" period of time. For instance, Oracle processes uses shared memory buffers allocated from a pool of buffers. When a process dies, we want to reclaim these buffers -- but we must make sure there are no pending RDMA operations to/from those buffers. The only way to achieve that is by using unmap and sync the TPT. However, when the sequence count is reset on unmap, there is a high likelihood that a new mapping will be given the same R_Key that was issued a few milliseconds ago. To prevent this, don't reset the sequence count when unmapping a FMR. Signed-off-by: Olaf Kirch <olaf.kirch@oracle.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>		17 years ago
..
Makefile	IB/mlx4: Add a driver Mellanox ConnectX InfiniBand adapters	18 years ago
alloc.c	mlx4_core: Add HW queues allocation helpers	17 years ago
catas.c	mlx4_core: Fix confusion between mlx4_event and mlx4_dev_event enums	17 years ago
cmd.c	mlx4_core: Move opening brace of function onto a new line	17 years ago
cq.c	mlx4_core: Add a way to set the "collapsed" CQ flag	17 years ago
eq.c	mlx4_core: Fix confusion between mlx4_event and mlx4_dev_event enums	17 years ago
fw.c	IB/mlx4: Add IPoIB LSO support	17 years ago
fw.h	IB/mlx4: Add IPoIB LSO support	17 years ago
icm.c	SG: Change sg_set_page() to take length and offset argument	18 years ago
icm.h	mlx4_core: Write MTTs from CPU instead with of WRITE_MTT FW command	18 years ago
intf.c	mlx4_core: Fix confusion between mlx4_event and mlx4_dev_event enums	17 years ago
main.c	mlx4_core: Move kernel doorbell management into core	17 years ago
mcg.c	IB/mlx4: Fix race when detaching a QP from a multicast group	17 years ago
mlx4.h	mlx4_core: Move kernel doorbell management into core	17 years ago
mr.c	mlx4_core: Avoid recycling old FMR R_Keys too soon	17 years ago
pd.c	mlx4_core: Fix section mismatches	18 years ago
profile.c	IB/mlx4: Add a driver Mellanox ConnectX InfiniBand adapters	18 years ago
qp.c	mlx4_core: Add helper to move QP to ready-to-send	17 years ago
reset.c	mlx4_core: Wait 1 second after reset before accessing device	18 years ago
srq.c	mlx4_core: Fix section mismatches	18 years ago