summaryrefslogtreecommitdiff
path: root/arch/x86/kernel/traps.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kernel/traps.c')
-rw-r--r--arch/x86/kernel/traps.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index b28a64d7691f..280c290f414f 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -570,6 +570,11 @@ exit:
dotraplinkage void notrace do_int3(struct pt_regs *regs, long error_code)
{
+ /*
+ * poke_int3_handler() is completely self contained code; it does (and
+ * must) *NOT* call out to anything, lest it hits upon yet another
+ * INT3.
+ */
if (poke_int3_handler(regs))
return;