Since 2.6.23 still isn't out, and I've managed to reduce my patch
review backlog a bit, it's probably a good idea to give another update
about what I have queued for 2.6.24 already and what I hope to get to
before the merge window opens.
Core:
- My user_mad P_Key index support patch. Merged this, although I
still owe Sasha a patch to update libraries to use this.
- A fix to the user_mad 32-bit big-endian userspace 64/32 problem
with the method_mask when registering agents. Merged.
- Sean's QoS changes. Merged.
- Sean's IB CM MRA interface changes. I merged these -- what the
heck, if it breaks we can back them out.
ULPs:
- Pradeep's IPoIB CM support for devices that don't have SRQs. Sean
started reviewing but I didn't see any updated patches.
- Moni's IPoIB bonding support. Seems like we found a clean set of
changes, and these will go in via another (Jeff Garzik's?) tree.
- Rolf's IPoIB MGID scope changes. No review progress here.
- Eli and Michael's IPoIB stateless offload (checksum offload, LSO,
LRO, etc). Not much review progress here; I'll try to chip away at
the series and see what we can get into 2.6.24.
- Or's IPoIB/userspace multicast coexistence stuff. I think we've
converged on this; I'll merge this once a final version of the
patch appears.
HW specific:
- I already merged patches to enable MSI-X by default for mthca and
mlx4. I hope there aren't too many systems that get hosed if a
MSI-X interrupt is generated.
- Jack and Michael's mlx4 FMR support. Merged. I guess the fix for
running in Xen domU may need to wait for 2.6.25, but I'll see what
I can do.
- ehca patch queue. Merged everything I think.
- Steve's mthca router mode support. No one looked at it, seems like
it's at risk of missing the window.
- Arthur's mthca doorbell alignment fixes. I still need to check
various approaches; I'll definitely merge something for 2.6.24.
- Michael's mlx4 WQE shrinking patch. May miss the window and go for
2.6.25, I'll see if I can get to it.
Here are a few topics that I believe will not be ready in time for the
2.6.24 window and will need to wait for 2.6.25:
- Multiple CQ event vector support. I 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. Given the length of the backlog above and the fact that a
first draft of this code has not been posted yet, I don't see any
way that we could have something this major ready in time.
BOILERPLATE
===========
I keep patches in a git tree, available from
git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband.git
There are several branches of interest in this tree:
for-2.6.23 - changes queued for merging into the current kernel release
for-2.6.24 - changes queued for the next merge window
for-linus - changes I have asked Linus to pull upstream
for-mm - pulled by Andrew for inclusion in -mm
I frequently rewrite history and rebase my tree, so the best way to
track it is to keep a clone of Linus's tree around and then pull a
fresh copy of my tree with
git clone --reference /path/to/linus/tree \
git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband.git
If you would like me to merge a patch, please send it to me as soon as
it is ready. Do NOT wait for the merge window to open; if your change
is not strictly a fix and you send it to me after the merge window
opens, then it will likely have to wait for the next merge window.
Please let me know if your patch is a fix that should go into the
current release or if it can wait for the next merge window; if it is
a fix, please describe the severity of the issue your are fixing, so I
can make a good judgement about which release it should go into.
Including a good changelog entry that explains what you are changing,
why you are changing it, and how your change accomplishes your goal
will greatly increase the chance of your patch being merged promptly.
Getting an independent review and a Reviewed-by: line also helps a lot.
The files Documentation/SubmittingPatches and Documentation/SubmitChecklist
in kernel source tree also have a lot of good advice that makes it
easier for me to handle your patches.
DETAILS
=======
Here is the complete list of patches I have in my for-2.6.24 branch:
Ali Ayoub (1):
IB/sa: Error handling thinko fix
Anton Blanchard (3):
IB/fmr_pool: Clean up some error messages in fmr_pool.c
IB/ehca: Make output clearer by removing some debug messages
IB/ehca: Export module parameters in sysfs
Dotan Barak (1):
mlx4_core: Use enum value GO_BIT_TIMEOUT_MSECS
Eli Cohen (2):
IPoIB: Fix typo to end statement with ';' instead of ','
IPoIB: Fix error path memory leak
Hoang-Nam Nguyen (4):
IB/ehca: Use remap_4k_pfn() to map firmware contexts to user space
IB/ehca: Fix large page HW cap defines
IB/ehca: Fix mem leak of firmware ctrlblock in ehca_create_srq()
IB/ehca: Adjust 64-bit alignment of create QP response for userspace
Jack Morgenstein (5):
IB/mlx4: Display misc device information under /sys/class/infiniband/
mlx4_core: Support ICM tables in coherent memory
mlx4_core: Write MTTs from CPU instead with of WRITE_MTT FW command
IB/mlx4: Implement FMRs
mlx4_core: Increase max number of QPs per multicast group to 56
Joachim Fenkes (11):
IB/ehca: Refactor hvcall tracing
IB/ehca: Print return codes as signed decimal integers
IB/ehca: ehca_gen_warn() should always print
IB/ehca: Add check for max #SGE to create_qp()
IB/ehca: Path migration support
IB/ehca: Serialize MR alloc and MR free hvCalls
IB/ehca: Replace get_paca()->paca_index by the more portable raw_smp_processor_id()
IB/ehca: Bump version number and change its format
IB/umem: Add hugetlb flag to struct ib_umem
IB/ehca: Only use MR large pages for hugetlb regions
IB/ehca: Return srq_attr->max_sge in ehca_query_srq()
Michael S. Tsirkin (2):
mlx4_core: Enable MSI-X by default
IB/mthca: Enable MSI-X by default
Peter Oruba (1):
IB/mthca: Use PCI-X/PCI-Express read control interfaces
Ralph Campbell (1):
IB/core: Fix handling of multicast response failures
Roland Dreier (14):
IPoIB: Make sure no receives are handled when stopping device
IB: find_first_zero_bit() takes unsigned pointer
mlx4_core: Don't free special QPs in QP number bitmap
IB/mlx4: Use __set_data_seg() in mlx4_ib_post_recv()
IB/ehca: Include <linux/mutex.h> from ehca_classes.h
IB/mlx4: Fix up SRQ limit_watermark endianness
IB/iser: Remove unnecessary includes
mlx4_core: Change capability decoding: SRC->XRC
IB/umad: Add P_Key index support
IB/umad: Fix bit ordering and 32-on-64 problems on big endian systems
IB/uverbs: Make ib_uverbs_release_event_file() static
mlx4_core: Reserve the correct number of MTT segments
mlx4_core: Fix meaning of dev->caps.reserved_mtts
IB/mthca: Increase max number of QPs per multicast group to 56
Satyam Sharma (1):
IB/ehca: Misc cpuinit section annotations and #ifdef cleanups
Sean Hefty (7):
IPoIB: Specify Traffic Class with path record queries for QoS support
IB/sa: Add new QoS fields to path record
RDMA/cma: Add ability to specify type of service
RDMA/ucma: Allow user space to set service type
IB/srp: Add QoS support through service ID
IB/cm: Modify interface to send MRAs in response to duplicate messages
RDMA/cma: Queue IB CM MRAs to avoid unnecessary remote retries
Stefan Roscher (2):
IB/ehca: Small QP userspace support
IB/ehca: Support more than 4k QPs for userspace and kernelspace
Steve Wise (2):
RDMA/cxgb3: Make the iw_cxgb3 module parameters writable
RDMA/cma: Use neigh_event_send() to start neighbour discovery
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