[PATCH v3 2/6] x86/alternatives: Update int3_emulate_push() comment

[Peter Zijlstra]

Update the comment now that we've merged x86_32 support.

Signed-off-by: Peter Zijlstra (Intel) <pet...@infradead.org>
---
 arch/x86/include/asm/text-patching.h |    3 +++
 1 file changed, 3 insertions(+)

--- a/arch/x86/include/asm/text-patching.h
+++ b/arch/x86/include/asm/text-patching.h
@@ -85,6 +85,9 @@ static inline void int3_emulate_push(str
         * stack where the break point happened, and the saving of
         * pt_regs. We can extend the original stack because of
         * this gap. See the idtentry macro's create_gap option.
+        *
+        * Similarly entry_32.S will have a gap on the stack for (any) hardware
+        * exception and pt_regs; see FIXUP_FRAME.
         */
        regs->sp -= sizeof(unsigned long);
        *(unsigned long *)regs->sp = val;