From 297b60346df8beafee954a0fd7c2d64f33f3b9bc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 01:44:05 +0000
Subject: [PATCH] rtl8211F_led_control
---
kernel/arch/sparc/kernel/perf_event.c | 13 +++++--------
1 files changed, 5 insertions(+), 8 deletions(-)
diff --git a/kernel/arch/sparc/kernel/perf_event.c b/kernel/arch/sparc/kernel/perf_event.c
index 1ad5911..a58ae9c 100644
--- a/kernel/arch/sparc/kernel/perf_event.c
+++ b/kernel/arch/sparc/kernel/perf_event.c
@@ -1771,9 +1771,11 @@
perf_callchain_store(entry, pc);
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
if ((pc + 8UL) == (unsigned long) &return_to_handler) {
- int index = current->curr_ret_stack;
- if (current->ret_stack && index >= graph) {
- pc = current->ret_stack[index - graph].ret;
+ struct ftrace_ret_stack *ret_stack;
+ ret_stack = ftrace_graph_get_ret_stack(current,
+ graph);
+ if (ret_stack) {
+ pc = ret_stack->ret;
perf_callchain_store(entry, pc);
graph++;
}
@@ -1853,15 +1855,11 @@
{
u64 saved_fault_address = current_thread_info()->fault_address;
u8 saved_fault_code = get_thread_fault_code();
- mm_segment_t old_fs;
perf_callchain_store(entry, regs->tpc);
if (!current->mm)
return;
-
- old_fs = get_fs();
- set_fs(USER_DS);
flushw_user();
@@ -1874,7 +1872,6 @@
pagefault_enable();
- set_fs(old_fs);
set_thread_fault_code(saved_fault_code);
current_thread_info()->fault_address = saved_fault_address;
}
--
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