diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-07-30 19:33:48 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-30 19:33:48 +0200 |
| commit | 15dd859cacf312f606f54502d1f66537a1e5c78c (patch) | |
| tree | e50e125eaa6da83fa715704e53c1bde013d1ef8e /drivers/infiniband/core/ucm.c | |
| parent | b2d9d33412b9d13a40cd314d93ab517950fc5950 (diff) | |
| parent | 6e86841d05f371b5b9b86ce76c02aaee83352298 (diff) | |
Merge commit 'v2.6.27-rc1' into x86/core
Conflicts:
include/asm-x86/dma-mapping.h
include/asm-x86/namei.h
include/asm-x86/uaccess.h
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/infiniband/core/ucm.c')
| -rw-r--r-- | drivers/infiniband/core/ucm.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index 9494005d1c9a..e603736682bf 100644 --- a/drivers/infiniband/core/ucm.c +++ b/drivers/infiniband/core/ucm.c @@ -43,7 +43,6 @@ #include <linux/cdev.h> #include <linux/idr.h> #include <linux/mutex.h> -#include <linux/smp_lock.h> #include <asm/uaccess.h> @@ -1154,11 +1153,18 @@ static unsigned int ib_ucm_poll(struct file *filp, return mask; } +/* + * ib_ucm_open() does not need the BKL: + * + * - no global state is referred to; + * - there is no ioctl method to race against; + * - no further module initialization is required for open to work + * after the device is registered. + */ static int ib_ucm_open(struct inode *inode, struct file *filp) { struct ib_ucm_file *file; - cycle_kernel_lock(); file = kmalloc(sizeof(*file), GFP_KERNEL); if (!file) return -ENOMEM; |