tree 7651fdab75e8a6b7c2f2d17aadd6bc9e5a239393
parent 041b62374c7fedc11a8a1eeda2868612d3d1436c
author Mark Lord <liml@rtr.ca> 1236716931 -0400
committer Jeff Garzik <jgarzik@redhat.com> 1236970544 -0400

sata_mv: fix MSI irq race condition

Fix a (rare) race condition in mv_interrupt() when using MSI.

The value of hpriv->main_irq_mask_addr can change on on the fly,
and without this patch we could end up writing back a stale copy
to the hardware.

Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>