tree 7c8e4134b799d3d0ed56888bb8936e0071a05caf
parent 29111f579f4f3f2a07385f931854ab0527ae7ea5
author Matthew Wilcox <matthew@wil.cx> 1217022178 -0600
committer Jesse Barnes <jbarnes@virtuousgeek.org> 1217281402 -0700

PCI MSI: Don't disable MSIs if the mask bit isn't supported

David Vrabel has a device which generates an interrupt storm on the INTx
pin if we disable MSI interrupts altogether.  Masking interrupts is only
a performance optimisation, so we can ignore the request to mask the
interrupt.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>