Contributors: 12
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Christophe Leroy |
112 |
30.94% |
7 |
25.00% |
| Paul Mackerras |
92 |
25.41% |
1 |
3.57% |
| Benjamin Herrenschmidt |
60 |
16.57% |
6 |
21.43% |
| Kumar Gala |
24 |
6.63% |
3 |
10.71% |
| David Gibson |
21 |
5.80% |
1 |
3.57% |
| Linus Torvalds (pre-git) |
21 |
5.80% |
4 |
14.29% |
| Benjamin Gray |
12 |
3.31% |
1 |
3.57% |
| Michael Ellerman |
8 |
2.21% |
1 |
3.57% |
| Stephen Rothwell |
6 |
1.66% |
1 |
3.57% |
| Linus Torvalds |
4 |
1.10% |
1 |
3.57% |
| Aneesh Kumar K.V |
1 |
0.28% |
1 |
3.57% |
| Zhang Yunkai |
1 |
0.28% |
1 |
3.57% |
| Total |
362 |
|
28 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_POWERPC_BOOK3S_32_TLBFLUSH_H
#define _ASM_POWERPC_BOOK3S_32_TLBFLUSH_H
#include <linux/build_bug.h>
#define MMU_NO_CONTEXT (0)
/*
* TLB flushing for "classic" hash-MMU 32-bit CPUs, 6xx, 7xx, 7xxx
*/
void hash__flush_tlb_mm(struct mm_struct *mm);
void hash__flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
void hash__flush_range(struct mm_struct *mm, unsigned long start, unsigned long end);
#ifdef CONFIG_SMP
void _tlbie(unsigned long address);
#else
static inline void _tlbie(unsigned long address)
{
asm volatile ("tlbie %0; sync" : : "r" (address) : "memory");
}
#endif
void _tlbia(void);
/*
* Called at the end of a mmu_gather operation to make sure the
* TLB flush is completely done.
*/
static inline void tlb_flush(struct mmu_gather *tlb)
{
/* 603 needs to flush the whole TLB here since it doesn't use a hash table. */
if (!mmu_has_feature(MMU_FTR_HPTE_TABLE))
_tlbia();
}
static inline void flush_range(struct mm_struct *mm, unsigned long start, unsigned long end)
{
start &= PAGE_MASK;
if (mmu_has_feature(MMU_FTR_HPTE_TABLE))
hash__flush_range(mm, start, end);
else if (end - start <= PAGE_SIZE)
_tlbie(start);
else
_tlbia();
}
static inline void flush_tlb_mm(struct mm_struct *mm)
{
if (mmu_has_feature(MMU_FTR_HPTE_TABLE))
hash__flush_tlb_mm(mm);
else
_tlbia();
}
static inline void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr)
{
if (mmu_has_feature(MMU_FTR_HPTE_TABLE))
hash__flush_tlb_page(vma, vmaddr);
else
_tlbie(vmaddr);
}
static inline void
flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end)
{
flush_range(vma->vm_mm, start, end);
}
static inline void flush_tlb_kernel_range(unsigned long start, unsigned long end)
{
flush_range(&init_mm, start, end);
}
static inline void local_flush_tlb_page(struct vm_area_struct *vma,
unsigned long vmaddr)
{
flush_tlb_page(vma, vmaddr);
}
static inline void local_flush_tlb_page_psize(struct mm_struct *mm,
unsigned long vmaddr, int psize)
{
flush_range(mm, vmaddr, vmaddr);
}
static inline void local_flush_tlb_mm(struct mm_struct *mm)
{
flush_tlb_mm(mm);
}
#endif /* _ASM_POWERPC_BOOK3S_32_TLBFLUSH_H */