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9871ab22f2
- 2 Fixes for OPA found by debug kernel
- 1 Fix for user supplied input causing kernel problems
- 1 Fix for the IPoIB fixes submitted around -rc4
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma update from Doug Ledford:
"This includes two bugs against the newly added opa vnic that were
found by turning on the debug kernel options:
- sleeping while holding a lock, so a one line fix where they
switched it from GFP_KERNEL allocation to a GFP_ATOMIC allocation
- a case where they had an isolated caller of their code that could
call them in an atomic context so they had to switch their use of a
mutex to a spinlock to be safe, so this was considerably more lines
of diff because all uses of that lock had to be switched
In addition, the bug that was discussed with you already about an out
of bounds array access in ib_uverbs_modify_qp and ib_uverbs_create_ah
and is only seven lines of diff.
And finally, one fix to an earlier fix in the -rc cycle that broke
hfi1 and qib in regards to IPoIB (this one is, unfortunately, larger
than I would like for a -rc7 submission, but fixing the problem
required that we not treat all devices as though they had allocated a
netdev universally because it isn't true, and it took 70 lines of diff
to resolve the issue, but the final patch has been vetted by Intel and
Mellanox and they've both given their approval to the fix).
Summary:
- Two fixes for OPA found by debug kernel
- Fix for user supplied input causing kernel problems
- Fix for the IPoIB fixes submitted around -rc4"
[ Doug sent this having not noticed the 4.12 release, so I guess I'll be
getting another rdma pull request with the actuakl merge window
updates and not just fixes.
Oh well - it would have been nice if this small update had been the
merge window one. - Linus ]
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
IB/core, opa_vnic, hfi1, mlx5: Properly free rdma_netdev
RDMA/uverbs: Check port number supplied by user verbs cmds
IB/opa_vnic: Use spinlock instead of mutex for stats_lock
IB/opa_vnic: Use GFP_ATOMIC while sending trap
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.