diff options
| author |   Dave Olson <dave.olson@qlogic.com> | 2008-12-05 11:14:38 -0800 |
|---|---|---|
| committer |   Roland Dreier <rolandd@cisco.com> | 2008-12-05 11:14:38 -0800 |
| commit | 3d0890985ac4dff781b7feba19fedda547314749 (patch) | |
| tree | 4e18e4e70c32abf9450c223db97affb1d05dbeeb /drivers/infiniband/hw/ipath/ipath_init_chip.c | |
| parent | IB/ipath: Fix spi_pioindex value (diff) | |
| download | linux-dev-3d0890985ac4dff781b7feba19fedda547314749.tar.xz linux-dev-3d0890985ac4dff781b7feba19fedda547314749.zip | |
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_init_chip.c')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_init_chip.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_init_chip.c b/drivers/infiniband/hw/ipath/ipath_init_chip.c index 3e5baa43fc82..64aeefbd2a5d 100644 --- a/drivers/infiniband/hw/ipath/ipath_init_chip.c +++ b/drivers/infiniband/hw/ipath/ipath_init_chip.c @@ -229,6 +229,7 @@ static int init_chip_first(struct ipath_devdata *dd) spin_lock_init(&dd->ipath_kernel_tid_lock); spin_lock_init(&dd->ipath_user_tid_lock); spin_lock_init(&dd->ipath_sendctrl_lock); + spin_lock_init(&dd->ipath_uctxt_lock); spin_lock_init(&dd->ipath_sdma_lock); spin_lock_init(&dd->ipath_gpio_lock); spin_lock_init(&dd->ipath_eep_st_lock); |