From 23fa18eaa71266feff7ba8d83022d9e1cc83c65a Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:42:03 +0000
Subject: [PATCH] disable pwm7
---
kernel/arch/arm64/kernel/return_address.c | 22 ++++++++--------------
1 files changed, 8 insertions(+), 14 deletions(-)
diff --git a/kernel/arch/arm64/kernel/return_address.c b/kernel/arch/arm64/kernel/return_address.c
index 0311fe5..a6d1875 100644
--- a/kernel/arch/arm64/kernel/return_address.c
+++ b/kernel/arch/arm64/kernel/return_address.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* arch/arm64/kernel/return_address.c
*
* Copyright (C) 2013 Linaro Limited
* Author: AKASHI Takahiro <takahiro.akashi@linaro.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/export.h>
@@ -21,16 +18,16 @@
void *addr;
};
-static int save_return_addr(struct stackframe *frame, void *d)
+static bool save_return_addr(void *d, unsigned long pc)
{
struct return_address_data *data = d;
if (!data->level) {
- data->addr = (void *)frame->pc;
- return 1;
+ data->addr = (void *)pc;
+ return false;
} else {
--data->level;
- return 0;
+ return true;
}
}
NOKPROBE_SYMBOL(save_return_addr);
@@ -43,12 +40,9 @@
data.level = level + 2;
data.addr = NULL;
- frame.fp = (unsigned long)__builtin_frame_address(0);
- frame.pc = (unsigned long)return_address; /* dummy */
-#ifdef CONFIG_FUNCTION_GRAPH_TRACER
- frame.graph = current->curr_ret_stack;
-#endif
-
+ start_backtrace(&frame,
+ (unsigned long)__builtin_frame_address(0),
+ (unsigned long)return_address);
walk_stackframe(current, &frame, save_return_addr, &data);
if (!data.level)
--
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