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(parent: a82a7fc) | patch
IB/hfi1: Ensure read of producer s_head is correct
authorMike Marciniszyn <mike.marciniszyn@intel.com>
Wed, 8 Feb 2017 13:26:08 +0000 (05:26 -0800)
committerDoug Ledford <dledford@redhat.com>
Sun, 19 Feb 2017 14:18:33 +0000 (09:18 -0500)
commiteb04ff09d834c1a531d02ee0b3e4b503253df609
tree63a12f9592d86a731d910f3245cc3efc280f71f5tree | snapshot
parenta82a7fcd1f23497a97df237829622dfdfacf24fecommit | diff
IB/hfi1: Ensure read of producer s_head is correct

The read of s_head in the hfi1_make_rc_req() and
qib_make_rc_req() lack the necesary barrier instuctions.

Correct other ACCESS_ONCE() warnings in the same file.

Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
drivers/infiniband/hw/hfi1/rc.c diff | blob | history
drivers/infiniband/hw/qib/qib_rc.c diff | blob | history
Domain: System / Kernel;