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-rw-r--r--arch/x86/kernel/traps.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index b62e962871f2..41bb0cb9df84 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -784,14 +784,19 @@ static void noinstr handle_debug(struct pt_regs *regs, unsigned long dr6,
/* Store the virtualized DR6 value */
tsk->thread.debugreg6 = dr6;
+ instrumentation_begin();
#ifdef CONFIG_KPROBES
- if (kprobe_debug_handler(regs))
+ if (kprobe_debug_handler(regs)) {
+ instrumentation_end();
return;
+ }
#endif
if (notify_die(DIE_DEBUG, "debug", regs, (long)&dr6, 0,
- SIGTRAP) == NOTIFY_STOP)
+ SIGTRAP) == NOTIFY_STOP) {
+ instrumentation_end();
return;
+ }
/*
* Let others (NMI) know that the debug stack is in use
@@ -827,6 +832,7 @@ static void noinstr handle_debug(struct pt_regs *regs, unsigned long dr6,
out:
cond_local_irq_disable(regs);
debug_stack_usage_dec();
+ instrumentation_end();
}
static __always_inline void exc_debug_kernel(struct pt_regs *regs,