diff options
| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2020-10-22 06:29:37 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-12-09 16:46:55 +1100 |
| commit | 1e83396f29d75aae8a1d365f597996fec87ca4d0 (patch) | |
| tree | b67cd12a780265883f37acff46daeb91452b1220 /arch/powerpc | |
| parent | fd1b4b7f51d0d75b73eeda41ef459ea7791aaab2 (diff) | |
| download | linux-1e83396f29d75aae8a1d365f597996fec87ca4d0.tar.bz2 | |
powerpc/32s: Inline flush_tlb_range() and flush_tlb_kernel_range()
flush_tlb_range() and flush_tlb_kernel_range() are trivial calls to
flush_range().
Make flush_range() global and inline flush_tlb_range()
and flush_tlb_kernel_range().
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/c7029a78e78709ad9272d7a44260e06b649169b2.1603348103.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/32/tlbflush.h | 15 | ||||
| -rw-r--r-- | arch/powerpc/mm/book3s32/tlb.c | 30 |
2 files changed, 19 insertions, 26 deletions
diff --git a/arch/powerpc/include/asm/book3s/32/tlbflush.h b/arch/powerpc/include/asm/book3s/32/tlbflush.h index 542765944531..2f480d184526 100644 --- a/arch/powerpc/include/asm/book3s/32/tlbflush.h +++ b/arch/powerpc/include/asm/book3s/32/tlbflush.h @@ -8,9 +8,7 @@ */ void hash__flush_tlb_mm(struct mm_struct *mm); void hash__flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); -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); +void flush_range(struct mm_struct *mm, unsigned long start, unsigned long end); #ifdef CONFIG_SMP void _tlbie(unsigned long address); @@ -38,6 +36,17 @@ static inline void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmad _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) { diff --git a/arch/powerpc/mm/book3s32/tlb.c b/arch/powerpc/mm/book3s32/tlb.c index 65389bfe2eb8..f9b8e1ce4371 100644 --- a/arch/powerpc/mm/book3s32/tlb.c +++ b/arch/powerpc/mm/book3s32/tlb.c @@ -71,8 +71,12 @@ void tlb_flush(struct mmu_gather *tlb) * -- Cort */ -static void flush_range(struct mm_struct *mm, unsigned long start, - unsigned long end) +/* + * For each address in the range, find the pte for the address + * and check _PAGE_HASHPTE bit; if it is set, find and destroy + * the corresponding HPTE. + */ +void flush_range(struct mm_struct *mm, unsigned long start, unsigned long end) { pmd_t *pmd; unsigned long pmd_end; @@ -105,15 +109,7 @@ static void flush_range(struct mm_struct *mm, unsigned long start, ++pmd; } } - -/* - * Flush kernel TLB entries in the given range - */ -void flush_tlb_kernel_range(unsigned long start, unsigned long end) -{ - flush_range(&init_mm, start, end); -} -EXPORT_SYMBOL(flush_tlb_kernel_range); +EXPORT_SYMBOL(flush_range); /* * Flush all the (user) entries for the address space described by mm. @@ -145,18 +141,6 @@ void hash__flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr) } EXPORT_SYMBOL(hash__flush_tlb_page); -/* - * For each address in the range, find the pte for the address - * and check _PAGE_HASHPTE bit; if it is set, find and destroy - * the corresponding HPTE. - */ -void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, - unsigned long end) -{ - flush_range(vma->vm_mm, start, end); -} -EXPORT_SYMBOL(flush_tlb_range); - void __init early_init_mmu(void) { } |