[ofa-general] InfiniBand/RDMA merge plans for 2.6.25
Roland Dreier
rdreier at cisco.com
Thu Jan 17 16:11:11 PST 2008
The 2.6.25 will open soon, so it's time to review what my plans are
for the merge window opens.
A note on reviewing: the upstream push for "Reviewed-by:" tags seems
to have lost some momentum, but it is still the case that if you can
get someone other than me to review your work, then the chances of it
being merged increase dramatically. I'm talking about a real review--
ideally, someone independent (a different domain after the '@' would
be good ;) who is willing to provide a "Reviewed-by:" line that means
the reviewer has really looked at and thought about the patch. There
should be a mailing list thread you can point me at where the reviewer
comments on the patch and a new version of that patch addressing all
comments is posted (or in exceptional cases, where the patch is
perfect to start with, where the reviewer says the patch is great).
Anyway, here are all the pending things that I'm aware of. As usual,
if something isn't already in my tree and isn't listed below, I
probably missed it or dropped it by mistake. Please remind me again
in that case.
Core:
- Sean's inter-subnet CM changes. My first reaction is that I'll
probably merge it, but I need to find the time to really read it
over first.
ULPs:
- Rolf's IPoIB MGID scope changes. I have the core changes queued
up, so at least recompiling the whole kernel should no longer be
necessary. I need to look over the rest of the patches more
carefully and make sure we have the correct userspace interface at
least.
- Eli's IPoIB stateless offload (checksum offload, LSO, interrupt
moderation, etc). It's a big series that makes quite a few core
changes. I hope to merge at least part of this queue soon.
Outside opinions are welcome though.
- Remove LLTX from IPoIB. I haven't posted a draft of this patch
yet, so I guess it will probably wait for 2.6.26...
- I still have a few SRP changes from David Dillow to review and
apply. Nothing looked to radical so they should be good to go.
HW specific:
- Neteffect "nes" driver. It's not terribly clean code but since
it's a new driver that is completely self-contained, I plan on
merging it and letting cleanups happen upstream.
- mlx4 WQE shrinking patch. I would like to see this as two patches:
one that vmap()s work queues, and another that does the tricky part
of using smaller WQEs. If I get a chance I'll try to do the
split up myself.
- ipath pending patches. Nothing looks like a problem there; it's
just a matter of actually pulling the patches into my tree.
Here are a few topics that I believe will not be ready in time for the
2.6.25 window and will need to wait for 2.6.26 at least:
- Multiple CQ event vector support. I still haven't seen any
discussions about how ULPs or userspace apps should decide which
vector to use, and hence no progress has been made since we
deferred this during the 2.6.23 merge window.
- XRC. I don't get the feeling that even the interface has converged
sufficiently to merge this.
Here all the patches I already have in my for-2.6.25 branch:
Adrian Bunk (1):
IB/mthca: Remove MSI support as scheduled
Anton Blanchard (1):
IB/ehca: Use round_jiffies() for EQ polling timer
Arthur Jones (2):
IB/ipath: Better comment for rmb() in ipath_intr()
IB/ipath: Add ipath_read_ireg() abstraction
Dave Olson (5):
IB/ipath: Improve interrupt handler cache footprint
IB/ipath: Generalize some xxx_SHIFT macros
IB/ipath: Changes for fields moving from devdata to portdata
IB/ipath: Clean up some comments
IB/ipath: Drop support for the original QHT7040 board
David Dillow (3):
IB/srp: Respect target credit limit
IB/srp: Enable SG list chaining
IB/srp: Add identifying information to log messages
Erez Zilber (1):
IB/iser: update URLs of iSER docs
Hoang-Nam Nguyen (1):
IB/ehca: Forward event client-reregister-required to registered clients
Jack Morgenstein (1):
mlx4_core: Fix max_eqs masking in QUERY_DEV_CAP
Joe Perches (2):
drivers/infiniband: Add missing "space"
IB: Spelling fixes in comments
John Gregor (1):
IB/ipath: Fix sendctrl locking
Matthias Kaehlcke (1):
IB/ipath: Convert ipath_eep_sem semaphore to a mutex
Nick Piggin (1):
IB/ipath: Convert from .nopage to .fault
Olaf Kirch (1):
IB/fmr_pool: Flush serial numbers can get out of sync
Oliver Pinter (1):
IB/iser: Typo fix (s/destory/destroy/)
Pradeep Satyanarayana (2):
IPoIB/cm: Add connected mode support for devices without SRQs
IPoIB/CM: Enable SRQ support on HCAs that support fewer than 16 SG entries
Ralph Campbell (14):
IB/mad: Remove redundant NULL pointer check in ib_mad_recv_done_handler()
IB/ipath: Enable loopback of DR SMP responses from userspace
IB/ipath: Remove dead code for user process waiting for send buffer
IB/ipath: Fix error returned from ib_resize_cq if new size smaller than # entries
IB/ipath: Fix comments for ipath_create_srq()
IB/ipath: Add the work completion error code to the QP error debug output
IB/ipath: Fix RNR NAK handling
IB/ipath: Cleanup ipath_get_egrbuf()
IB/ipath: kreceive uses portdata rather than devdata
IB/ipath: MAD performance sampling registers support
IB/ipath: Export hardware counters more consistently
IB/ipath: Allow more flexible user register alignments
IB/ipath: Port config has on-chip effects for 7220
IB/ipath: Add flag and handling for chips with swapped register bug
Roland Dreier (8):
IPoIB: Trivial formatting cleanups
IPoIB/cm: Factor out ipoib_cm_free_rx_ring()
IPoIB/cm: Factor out ipoib_cm_create_srq()
IPoIB/cm: Factor out ipoib_cm_free_rx_reap_list()
IB/mlx4: Micro-optimize mlx4_ib_poll_one()
RDMA/cxgb3: Endianness annotation for irs field
IB/ipath: Fix some sparse warnings about shadowed symbols
IB/umad: Simplify and fix locking
Rolf Manderscheid (1):
IPoIB: improve IPv4/IPv6 to IB mcast mapping functions
Sean Hefty (6):
IB/multicast: Report errors on multicast groups if P_key changes
IB/mad: Report number of times a mad was retried
IB/cm: Add basic performance counters
IB/mad: Fix incorrect access to items on local_list
RDMA/cma: add support for rdma_migrate_id()
RDMA/cma: Override default responder_resources with user value
Steve Welch (1):
IB/mad: Enable loopback of DR SMP responses from userspace
Steve Wise (3):
RDMA/iwcm: Set initiator depth and responder resources to device max values
RDMA/cxgb3: Hold rtnl_lock() around ethtool get_drvinfo call
RDMA/cxgb3: Support version 5.0 firmware
Vladimir Sokolovsky (1):
RDMA/cma: Reenable device removal on passive side
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