From a36159eec6ca17402b0e146b86efaf76568dc353 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 20 Sep 2024 01:41:23 +0000
Subject: [PATCH] 重命名 AX88772C_eeprom/asix.c 为 asix_mac.c

---
 kernel/arch/riscv/kernel/stacktrace.c |   14 ++++++++++----
 1 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/kernel/arch/riscv/kernel/stacktrace.c b/kernel/arch/riscv/kernel/stacktrace.c
index 5953429..9c34735 100644
--- a/kernel/arch/riscv/kernel/stacktrace.c
+++ b/kernel/arch/riscv/kernel/stacktrace.c
@@ -57,9 +57,15 @@
 		/* Unwind stack frame */
 		frame = (struct stackframe *)fp - 1;
 		sp = fp;
-		fp = frame->fp;
-		pc = ftrace_graph_ret_addr(current, NULL, frame->ra,
-					   (unsigned long *)(fp - 8));
+		if (regs && (regs->epc == pc) && (frame->fp & 0x7)) {
+			fp = frame->ra;
+			pc = regs->ra;
+		} else {
+			fp = frame->fp;
+			pc = ftrace_graph_ret_addr(current, NULL, frame->ra,
+						   &frame->ra);
+		}
+
 	}
 }
 
@@ -90,7 +96,7 @@
 	while (!kstack_end(ksp)) {
 		if (__kernel_text_address(pc) && unlikely(fn(pc, arg)))
 			break;
-		pc = (*ksp++) - 0x4;
+		pc = READ_ONCE_NOCHECK(*ksp++) - 0x4;
 	}
 }
 

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