diff options
| author | Huacai Chen <chenhuacai@loongson.cn> | 2022-05-31 13:04:12 +0300 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2022-06-03 15:09:29 +0300 |
| commit | 46859ac8af52ae599e1b51992ddef3eb43f295fc (patch) | |
| tree | c1e6640316d5d8748bea046b71d2260b81cbe314 /arch/loongarch/include/asm/tlbflush.h | |
| parent | c6b99bed6b8f3255bd2f65a8e606352e0e638ad0 (diff) | |
| download | linux-46859ac8af52ae599e1b51992ddef3eb43f295fc.tar.xz | |
LoongArch: Add multi-processor (SMP) support
LoongArch-based procesors have 4, 8 or 16 cores per package. This patch
adds multi-processor (SMP) support for LoongArch.
Reviewed-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch/loongarch/include/asm/tlbflush.h')
| -rw-r--r-- | arch/loongarch/include/asm/tlbflush.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/tlbflush.h b/arch/loongarch/include/asm/tlbflush.h index 36bd6d11dc2d..a0785e590681 100644 --- a/arch/loongarch/include/asm/tlbflush.h +++ b/arch/loongarch/include/asm/tlbflush.h @@ -25,6 +25,17 @@ extern void local_flush_tlb_kernel_range(unsigned long start, unsigned long end) extern void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page); extern void local_flush_tlb_one(unsigned long vaddr); +#ifdef CONFIG_SMP + +extern void flush_tlb_all(void); +extern void flush_tlb_mm(struct mm_struct *); +extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long, unsigned long); +extern void flush_tlb_kernel_range(unsigned long, unsigned long); +extern void flush_tlb_page(struct vm_area_struct *, unsigned long); +extern void flush_tlb_one(unsigned long vaddr); + +#else /* CONFIG_SMP */ + #define flush_tlb_all() local_flush_tlb_all() #define flush_tlb_mm(mm) local_flush_tlb_mm(mm) #define flush_tlb_range(vma, vmaddr, end) local_flush_tlb_range(vma, vmaddr, end) @@ -32,4 +43,6 @@ extern void local_flush_tlb_one(unsigned long vaddr); #define flush_tlb_page(vma, page) local_flush_tlb_page(vma, page) #define flush_tlb_one(vaddr) local_flush_tlb_one(vaddr) +#endif /* CONFIG_SMP */ + #endif /* __ASM_TLBFLUSH_H */ |