| Message ID | 1423806044-61946-1-git-send-email-wangnan0@huawei.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h index 1ab5475..e1c8307 100644 --- a/include/linux/kprobes.h +++ b/include/linux/kprobes.h @@ -50,6 +50,8 @@ #define KPROBE_REENTER 0x00000004 #define KPROBE_HIT_SSDONE 0x00000008 +extern int kprobes_is_early(void); + #else /* CONFIG_KPROBES */ typedef int kprobe_opcode_t; struct arch_specific_insn { diff --git a/kernel/kprobes.c b/kernel/kprobes.c index c90e417..647c95a 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -68,6 +68,12 @@ #endif static int kprobes_initialized; + +int kprobes_is_early(void) +{ + return !kprobes_initialized; +} + static struct hlist_head kprobe_table[KPROBE_TABLE_SIZE]; static struct hlist_head kretprobe_inst_table[KPROBE_TABLE_SIZE];
Following early kprobe patches will enable kprobe registering very early, even before kprobe system initialized. kprobe_is_early() can be used to check whether we are working on early kprobe. Signed-off-by: Wang Nan <wangnan0@huawei.com> --- include/linux/kprobes.h | 2 ++ kernel/kprobes.c | 6 ++++++ 2 files changed, 8 insertions(+)