xref: /openbmc/linux/arch/sparc/include/asm/tlb_64.h (revision 61bf3293)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _SPARC64_TLB_H
3 #define _SPARC64_TLB_H
4 
5 #include <linux/swap.h>
6 #include <linux/pagemap.h>
7 #include <asm/pgalloc.h>
8 #include <asm/tlbflush.h>
9 #include <asm/mmu_context.h>
10 
11 #ifdef CONFIG_SMP
12 void smp_flush_tlb_pending(struct mm_struct *,
13 				  unsigned long, unsigned long *);
14 #endif
15 
16 #ifdef CONFIG_SMP
17 void smp_flush_tlb_mm(struct mm_struct *mm);
18 #define do_flush_tlb_mm(mm) smp_flush_tlb_mm(mm)
19 #else
20 #define do_flush_tlb_mm(mm) __flush_tlb_mm(CTX_HWBITS(mm->context), SECONDARY_CONTEXT)
21 #endif
22 
23 void __flush_tlb_pending(unsigned long, unsigned long, unsigned long *);
24 void flush_tlb_pending(void);
25 
26 #define tlb_start_vma(tlb, vma) do { } while (0)
27 #define tlb_end_vma(tlb, vma)	do { } while (0)
28 #define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0)
29 #define tlb_flush(tlb)	flush_tlb_pending()
30 
31 /*
32  * SPARC64's hardware TLB fill does not use the Linux page-tables
33  * and therefore we don't need a TLBI when freeing page-table pages.
34  */
35 
36 #ifdef CONFIG_MMU_GATHER_RCU_TABLE_FREE
37 #define tlb_needs_table_invalidate()	(false)
38 #endif
39 
40 #include <asm-generic/tlb.h>
41 
42 #endif /* _SPARC64_TLB_H */
43