diff options
| author |   Philip J Kelleher <pjk1939@linux.vnet.ibm.com> | 2013-06-18 14:38:26 -0500 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2013-06-19 13:52:09 +0200 |
| commit | 31a70bb4440c963e69ce210389d8119c70b5c39d (patch) | |
| tree | 70bb10af0da9ad240fef12bcd44968142d4bb202 /drivers/block/rsxx/rsxx_priv.h | |
| parent | rsxx: Restructured DMA cancel scheme. (diff) | |
| download | linux-dev-31a70bb4440c963e69ce210389d8119c70b5c39d.tar.xz linux-dev-31a70bb4440c963e69ce210389d8119c70b5c39d.zip | |
rsxx: Fixes soft-lockup issues during DMAs.
The workqueue mechanism has been reworked to prevent soft
lockup issues from occuring by adding in mutex sychronization.
Signed-off-by: Philip J Kelleher <pjk1939@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/rsxx/rsxx_priv.h')
| -rw-r--r-- | drivers/block/rsxx/rsxx_priv.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/block/rsxx/rsxx_priv.h b/drivers/block/rsxx/rsxx_priv.h index 60b6ed6779ac..c968a6918b6e 100644 --- a/drivers/block/rsxx/rsxx_priv.h +++ b/drivers/block/rsxx/rsxx_priv.h @@ -115,6 +115,7 @@ struct rsxx_dma_ctrl { struct timer_list activity_timer; struct dma_tracker_list *trackers; struct rsxx_dma_stats stats; + struct mutex work_lock; }; struct rsxx_cardinfo { |