Commit graph

4 commits

Author SHA1 Message Date
Ralph Campbell
5df4223a44 IB/qib: Clear eager buffer memory for each new process
The eager buffers are not being cleared before being mmapped into a
new user address space.  This is a potential security risk and should
be fixed.  Note that the eager header queue is already being cleared.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-07-06 14:13:21 -07:00
Dave Olson
fce24a9d28 IB/qib: Don't mark VL15 bufs as WC to avoid a rare 7322 chip problem
Don't set write combining via PAT on the VL15 buffers to avoid a rare
problem with unaligned writes from interrupt-flushed store buffers.

Signed-off-by: Dave Olson <dave.olson@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-07-06 14:13:20 -07:00
Ralph Campbell
7e3a1f4ab1 IB/qib: Fix undefined symbol error when CONFIG_PCI_MSI=n
This patch fixes a compile error saying qib_init_iba6120_funcs() is
undefined when CONFIG_PCI_MSI is not defined.  Thanks to Randy Dunlap
<randy.dunlap@oracle.com> for finding this and suggesting the fix.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-05-25 21:09:43 -07:00
Ralph Campbell
f931551baf IB/qib: Add new qib driver for QLogic PCIe InfiniBand adapters
Add a low-level IB driver for QLogic PCIe adapters.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-05-23 21:44:54 -07:00