From d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:45:28 +0000
Subject: [PATCH] add boot partition size
---
kernel/arch/sh/oprofile/backtrace.c | 15 ++-------------
1 files changed, 2 insertions(+), 13 deletions(-)
diff --git a/kernel/arch/sh/oprofile/backtrace.c b/kernel/arch/sh/oprofile/backtrace.c
index c7695f9..cc16cf8 100644
--- a/kernel/arch/sh/oprofile/backtrace.c
+++ b/kernel/arch/sh/oprofile/backtrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* SH specific backtracing code for oprofile
*
@@ -7,11 +8,6 @@
*
* Based on ARM oprofile backtrace code by Richard Purdie and in turn, i386
* oprofile backtrace code by John Levon, David Smith
- *
- * 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/oprofile.h>
#include <linux/sched.h>
@@ -23,12 +19,6 @@
#include <asm/sections.h>
#include <asm/stacktrace.h>
-static int backtrace_stack(void *data, char *name)
-{
- /* Yes, we want all stacks */
- return 0;
-}
-
static void backtrace_address(void *data, unsigned long addr, int reliable)
{
unsigned int *depth = data;
@@ -38,7 +28,6 @@
}
static struct stacktrace_ops backtrace_ops = {
- .stack = backtrace_stack,
.address = backtrace_address,
};
@@ -51,7 +40,7 @@
unsigned long buf_stack;
/* Also check accessibility of address */
- if (!access_ok(VERIFY_READ, stackaddr, sizeof(unsigned long)))
+ if (!access_ok(stackaddr, sizeof(unsigned long)))
return NULL;
if (__copy_from_user_inatomic(&buf_stack, stackaddr, sizeof(unsigned long)))
--
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