From bedbef8ad3e75a304af6361af235302bcc61d06b Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 14 May 2024 06:39:01 +0000
Subject: [PATCH] 修改内核路径

---
 kernel/arch/nios2/include/asm/tlbflush.h |   34 ++++++++++++++++------------------
 1 files changed, 16 insertions(+), 18 deletions(-)

diff --git a/kernel/arch/nios2/include/asm/tlbflush.h b/kernel/arch/nios2/include/asm/tlbflush.h
index e19652f..362d6da 100644
--- a/kernel/arch/nios2/include/asm/tlbflush.h
+++ b/kernel/arch/nios2/include/asm/tlbflush.h
@@ -1,19 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
  */
 
 #ifndef _ASM_NIOS2_TLBFLUSH_H
@@ -26,21 +13,32 @@
  *
  *  - flush_tlb_all() flushes all processes TLB entries
  *  - flush_tlb_mm(mm) flushes the specified mm context TLB entries
- *  - flush_tlb_page(vma, vmaddr) flushes one page
  *  - flush_tlb_range(vma, start, end) flushes a range of pages
+ *  - flush_tlb_page(vma, address) flushes a page
  *  - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
+ *  - flush_tlb_kernel_page(address) flushes a kernel page
+ *
+ *  - reload_tlb_page(vma, address, pte) flushes the TLB for address like
+ *    flush_tlb_page, then replaces it with a TLB for pte.
  */
 extern void flush_tlb_all(void);
 extern void flush_tlb_mm(struct mm_struct *mm);
 extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
 			    unsigned long end);
 extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
-extern void flush_tlb_one(unsigned long vaddr);
 
 static inline void flush_tlb_page(struct vm_area_struct *vma,
-				unsigned long addr)
+				  unsigned long address)
 {
-	flush_tlb_one(addr);
+	flush_tlb_range(vma, address, address + PAGE_SIZE);
 }
 
+static inline void flush_tlb_kernel_page(unsigned long address)
+{
+	flush_tlb_kernel_range(address, address + PAGE_SIZE);
+}
+
+extern void reload_tlb_page(struct vm_area_struct *vma, unsigned long addr,
+			    pte_t pte);
+
 #endif /* _ASM_NIOS2_TLBFLUSH_H */

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