xref: /OK3568_Linux_fs/kernel/arch/csky/include/asm/tlb.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
3*4882a593Smuzhiyun 
4*4882a593Smuzhiyun #ifndef __ASM_CSKY_TLB_H
5*4882a593Smuzhiyun #define __ASM_CSKY_TLB_H
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <asm/cacheflush.h>
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #define tlb_start_vma(tlb, vma) \
10*4882a593Smuzhiyun 	do { \
11*4882a593Smuzhiyun 		if (!(tlb)->fullmm) \
12*4882a593Smuzhiyun 			flush_cache_range(vma, (vma)->vm_start, (vma)->vm_end); \
13*4882a593Smuzhiyun 	}  while (0)
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #define tlb_end_vma(tlb, vma) \
16*4882a593Smuzhiyun 	do { \
17*4882a593Smuzhiyun 		if (!(tlb)->fullmm) \
18*4882a593Smuzhiyun 			flush_tlb_range(vma, (vma)->vm_start, (vma)->vm_end); \
19*4882a593Smuzhiyun 	}  while (0)
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun #define tlb_flush(tlb) flush_tlb_mm((tlb)->mm)
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun #include <asm-generic/tlb.h>
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun #endif /* __ASM_CSKY_TLB_H */
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