Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 28 insertions, 0 deletions

diff --git a/arch/nds32/include/asm/tlb.h b/arch/nds32/include/asm/tlb.h
new file mode 100644
index 000000000..b35ae5eae
--- /dev/null
+++ b/arch/nds32/include/asm/tlb.h
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2005-2017 Andes Technology Corporation
+
+#ifndef __ASMNDS32_TLB_H
+#define __ASMNDS32_TLB_H
+
+#define tlb_start_vma(tlb,vma)						\
+	do {								\
+		if (!tlb->fullmm)					\
+			flush_cache_range(vma, vma->vm_start, vma->vm_end); \
+	} while (0)
+
+#define tlb_end_vma(tlb,vma)				\
+	do { 						\
+		if(!tlb->fullmm)			\
+			flush_tlb_range(vma, vma->vm_start, vma->vm_end); \
+	} while (0)
+
+#define __tlb_remove_tlb_entry(tlb, pte, addr) do { } while (0)
+
+#define tlb_flush(tlb)	flush_tlb_mm((tlb)->mm)
+
+#include <asm-generic/tlb.h>
+
+#define __pte_free_tlb(tlb, pte, addr)	pte_free((tlb)->mm, pte)
+#define __pmd_free_tlb(tlb, pmd, addr)	pmd_free((tln)->mm, pmd)
+
+#endif