diff options
| author | Christoph Lameter <cl@linux.com> | 2010-12-06 11:16:25 -0600 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2010-12-17 15:07:19 +0100 |
| commit | b76834bc1b6db0a0923eed85c81b1113021b0612 (patch) | |
| tree | b68c24d71ad0e6f26b317a2ef03c6139d31b8114 /include/linux/kprobes.h | |
| parent | 4a6f4fe8377720e5a279fdbb769946c242e936d3 (diff) | |
| download | lwn-b76834bc1b6db0a0923eed85c81b1113021b0612.tar.gz lwn-b76834bc1b6db0a0923eed85c81b1113021b0612.zip | |
kprobes: Use this_cpu_ops
Use this_cpu ops in various places to optimize per cpu data access.
Cc: Jason Baron <jbaron@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'include/linux/kprobes.h')
| -rw-r--r-- | include/linux/kprobes.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h index e7d1b2e0070d..0c251e9f0507 100644 --- a/include/linux/kprobes.h +++ b/include/linux/kprobes.h @@ -303,12 +303,12 @@ struct hlist_head * kretprobe_inst_table_head(struct task_struct *tsk); /* kprobe_running() will just return the current_kprobe on this CPU */ static inline struct kprobe *kprobe_running(void) { - return (__get_cpu_var(current_kprobe)); + return (__this_cpu_read(current_kprobe)); } static inline void reset_current_kprobe(void) { - __get_cpu_var(current_kprobe) = NULL; + __this_cpu_write(current_kprobe, NULL); } static inline struct kprobe_ctlblk *get_kprobe_ctlblk(void) |