IB/hfi1: Ensure read of producer s_head is correct

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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>

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Mike Marciniszyn 2017-02-08 05:26:08 -08:00 • committed by Doug Ledford

parent a82a7fcd1f

commit eb04ff09d8

2 changed files with 8 additions and 6 deletions

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7

drivers/infiniband/hw/hfi1/rc.c

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7

drivers/infiniband/hw/qib/qib_rc.c

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