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authorRoland Dreier <rolandd@cisco.com>2006-06-17 20:37:41 -0700
committerRoland Dreier <rolandd@cisco.com>2006-06-17 20:37:41 -0700
commitc93b6fbaa99bb3a1552e14317296be14dde51dfb (patch)
treebad61dc728f0eb28fcfdf01953cd0ae43a4b2350 /net
parentIB/mthca: Fix memory leak on modify_qp error paths (diff)
downloadlinux-dev-c93b6fbaa99bb3a1552e14317296be14dde51dfb.tar.xz
linux-dev-c93b6fbaa99bb3a1552e14317296be14dde51dfb.zip
IB/mthca: Make all device methods truly reentrant
Documentation/infiniband/core_locking.txt says: All of the methods in struct ib_device exported by a low-level driver must be fully reentrant. The low-level driver is required to perform all synchronization necessary to maintain consistency, even if multiple function calls using the same object are run simultaneously. However, mthca's modify_qp, modify_srq and resize_cq methods are currently not reentrant. Add a mutex to the QP, SRQ and CQ structures so that these calls can be properly serialized. Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'net')
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