aboutsummaryrefslogtreecommitdiff
path: root/arch/sparc64/kernel/kprobes.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc64/kernel/kprobes.c')
-rw-r--r--arch/sparc64/kernel/kprobes.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/kprobes.c b/arch/sparc64/kernel/kprobes.c
index ff5e9d5cad5..b9a9ce70e55 100644
--- a/arch/sparc64/kernel/kprobes.c
+++ b/arch/sparc64/kernel/kprobes.c
@@ -135,6 +135,14 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
prepare_singlestep(p, regs, kcb);
return 1;
} else {
+ if (*(u32 *)addr != BREAKPOINT_INSTRUCTION) {
+ /* The breakpoint instruction was removed by
+ * another cpu right after we hit, no further
+ * handling of this interrupt is appropriate
+ */
+ ret = 1;
+ goto no_kprobe;
+ }
p = __get_cpu_var(current_kprobe);
if (p->break_handler && p->break_handler(p, regs))
goto ss_probe;