[PATCH 10/49] x86/alternatives: Update comments in int3_emulate_push()

Ingo Molnar posted 49 patches 8 months, 3 weeks ago
There is a newer version of this series
[PATCH 10/49] x86/alternatives: Update comments in int3_emulate_push()
Posted by Ingo Molnar 8 months, 3 weeks ago
The idtentry macro in entry_64.S hasn't had a create_gap
option for 5 years - update the comment.

(Also clean up the entire comment block while at it.)

Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 arch/x86/include/asm/text-patching.h | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/x86/include/asm/text-patching.h b/arch/x86/include/asm/text-patching.h
index 7f296a05c5fe..b7e8fb8f3648 100644
--- a/arch/x86/include/asm/text-patching.h
+++ b/arch/x86/include/asm/text-patching.h
@@ -142,13 +142,14 @@ static __always_inline
 void int3_emulate_push(struct pt_regs *regs, unsigned long val)
 {
 	/*
-	 * The int3 handler in entry_64.S adds a gap between the
+	 * The INT3 handler in entry_64.S adds a gap between the
 	 * 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.
+	 * this gap. See the idtentry macro's X86_TRAP_BP logic.
 	 *
-	 * Similarly entry_32.S will have a gap on the stack for (any) hardware
-	 * exception and pt_regs; see FIXUP_FRAME.
+	 * Similarly, entry_32.S will have a gap on the stack for
+	 * (any) hardware exception and pt_regs; see the
+	 * FIXUP_FRAME macro.
 	 */
 	regs->sp -= sizeof(unsigned long);
 	*(unsigned long *)regs->sp = val;
-- 
2.45.2