From a5969cabbb4660eab42b6ef0412cbbd1200cf14d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 12 Oct 2024 07:10:09 +0000
Subject: [PATCH] 修改led为gpio
---
kernel/arch/s390/oprofile/init.c | 22 ++++++++--------------
1 files changed, 8 insertions(+), 14 deletions(-)
diff --git a/kernel/arch/s390/oprofile/init.c b/kernel/arch/s390/oprofile/init.c
index 43d9525..7441857 100644
--- a/kernel/arch/s390/oprofile/init.c
+++ b/kernel/arch/s390/oprofile/init.c
@@ -13,23 +13,17 @@
#include <linux/oprofile.h>
#include <linux/init.h>
#include <asm/processor.h>
-
-static int __s390_backtrace(void *data, unsigned long address, int reliable)
-{
- unsigned int *depth = data;
-
- if (*depth == 0)
- return 1;
- (*depth)--;
- oprofile_add_trace(address);
- return 0;
-}
+#include <asm/unwind.h>
static void s390_backtrace(struct pt_regs *regs, unsigned int depth)
{
- if (user_mode(regs))
- return;
- dump_trace(__s390_backtrace, &depth, NULL, regs->gprs[15]);
+ struct unwind_state state;
+
+ unwind_for_each_frame(&state, current, regs, 0) {
+ if (depth-- == 0)
+ break;
+ oprofile_add_trace(state.ip);
+ }
}
int __init oprofile_arch_init(struct oprofile_operations *ops)
--
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