From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/arch/m68k/mm/cache.c | 15 ++++++++++++---
1 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/kernel/arch/m68k/mm/cache.c b/kernel/arch/m68k/mm/cache.c
index 079e648..b486c08 100644
--- a/kernel/arch/m68k/mm/cache.c
+++ b/kernel/arch/m68k/mm/cache.c
@@ -8,7 +8,7 @@
*/
#include <linux/module.h>
-#include <asm/pgalloc.h>
+#include <asm/cacheflush.h>
#include <asm/traps.h>
@@ -73,7 +73,7 @@
/* Push n pages at kernel virtual address and clear the icache */
/* RZ: use cpush %bc instead of cpush %dc, cinv %ic */
-void flush_icache_range(unsigned long address, unsigned long endaddr)
+void flush_icache_user_range(unsigned long address, unsigned long endaddr)
{
if (CPU_IS_COLDFIRE) {
unsigned long start, end;
@@ -104,9 +104,18 @@
: "di" (FLUSH_I));
}
}
+
+void flush_icache_range(unsigned long address, unsigned long endaddr)
+{
+ mm_segment_t old_fs = get_fs();
+
+ set_fs(KERNEL_DS);
+ flush_icache_user_range(address, endaddr);
+ set_fs(old_fs);
+}
EXPORT_SYMBOL(flush_icache_range);
-void flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
+void flush_icache_user_page(struct vm_area_struct *vma, struct page *page,
unsigned long addr, int len)
{
if (CPU_IS_COLDFIRE) {
--
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