diff options
| author | Dave Olson <dave.olson@qlogic.com> | 2008-12-05 22:14:38 +0300 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2008-12-05 22:14:38 +0300 |
| commit | 3d0890985ac4dff781b7feba19fedda547314749 (patch) | |
| tree | 4e18e4e70c32abf9450c223db97affb1d05dbeeb /drivers/infiniband/hw/ipath/ipath_kernel.h | |
| parent | 1bf7724e093cf3071d943d53bfa4de8b8e50426b (diff) | |
| download | linux-3d0890985ac4dff781b7feba19fedda547314749.tar.xz | |
IB/ipath: Add locking for interrupt use of ipath_pd contexts vs free
Fixes timing race resulting in panic. Not a performance sensitive path.
Signed-off-by: Dave Olson <dave.olson@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_kernel.h')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_kernel.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h index aa84153b731b..6ba4861dd6ac 100644 --- a/drivers/infiniband/hw/ipath/ipath_kernel.h +++ b/drivers/infiniband/hw/ipath/ipath_kernel.h @@ -477,6 +477,8 @@ struct ipath_devdata { spinlock_t ipath_kernel_tid_lock; spinlock_t ipath_user_tid_lock; spinlock_t ipath_sendctrl_lock; + /* around ipath_pd and (user ports) port_cnt use (intr vs free) */ + spinlock_t ipath_uctxt_lock; /* * IPATH_STATUS_*, |