From ea08eeccae9297f7aabd2ef7f0c2517ac4549acc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:18:26 +0000
Subject: [PATCH] write in 30M
---
kernel/arch/arm/mm/copypage-v4mc.c | 9 +++------
1 files changed, 3 insertions(+), 6 deletions(-)
diff --git a/kernel/arch/arm/mm/copypage-v4mc.c b/kernel/arch/arm/mm/copypage-v4mc.c
index b03202c..44f7292 100644
--- a/kernel/arch/arm/mm/copypage-v4mc.c
+++ b/kernel/arch/arm/mm/copypage-v4mc.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/lib/copypage-armv4mc.S
*
* Copyright (C) 1995-2005 Russell King
- *
- * 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.
*
* This handles the mini data cache, as found on SA11x0 and XScale
* processors. When we copy a user page page, we map it in such a way
@@ -17,7 +14,6 @@
#include <linux/mm.h>
#include <linux/highmem.h>
-#include <asm/pgtable.h>
#include <asm/tlbflush.h>
#include <asm/cacheflush.h>
@@ -45,6 +41,7 @@
int tmp;
asm volatile ("\
+ .syntax unified\n\
ldmia %0!, {r2, r3, ip, lr} @ 4\n\
1: mcr p15, 0, %1, c7, c6, 1 @ 1 invalidate D line\n\
stmia %1!, {r2, r3, ip, lr} @ 4\n\
@@ -56,7 +53,7 @@
ldmia %0!, {r2, r3, ip, lr} @ 4\n\
subs %2, %2, #1 @ 1\n\
stmia %1!, {r2, r3, ip, lr} @ 4\n\
- ldmneia %0!, {r2, r3, ip, lr} @ 4\n\
+ ldmiane %0!, {r2, r3, ip, lr} @ 4\n\
bne 1b @ "
: "+&r" (from), "+&r" (to), "=&r" (tmp)
: "2" (PAGE_SIZE / 64)
--
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