diff options
Diffstat (limited to 'arch/riscv/include/asm')
-rw-r--r-- | arch/riscv/include/asm/tlbflush.h | 37 |
1 files changed, 7 insertions, 30 deletions
diff --git a/arch/riscv/include/asm/tlbflush.h b/arch/riscv/include/asm/tlbflush.h index df31fe2ed09c..37ae4e367ad2 100644 --- a/arch/riscv/include/asm/tlbflush.h +++ b/arch/riscv/include/asm/tlbflush.h @@ -25,8 +25,13 @@ static inline void local_flush_tlb_page(unsigned long addr) __asm__ __volatile__ ("sfence.vma %0" : : "r" (addr) : "memory"); } -#ifndef CONFIG_SMP - +#ifdef CONFIG_SMP +void flush_tlb_all(void); +void flush_tlb_mm(struct mm_struct *mm); +void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr); +void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, + unsigned long end); +#else /* CONFIG_SMP */ #define flush_tlb_all() local_flush_tlb_all() #define flush_tlb_page(vma, addr) local_flush_tlb_page(addr) @@ -37,34 +42,6 @@ static inline void flush_tlb_range(struct vm_area_struct *vma, } #define flush_tlb_mm(mm) flush_tlb_all() - -#else /* CONFIG_SMP */ - -#include <asm/sbi.h> - -static inline void remote_sfence_vma(struct cpumask *cmask, unsigned long start, - unsigned long size) -{ - struct cpumask hmask; - - riscv_cpuid_to_hartid_mask(cmask, &hmask); - sbi_remote_sfence_vma(hmask.bits, start, size); -} - -#define flush_tlb_all() sbi_remote_sfence_vma(NULL, 0, -1) - -#define flush_tlb_range(vma, start, end) \ - remote_sfence_vma(mm_cpumask((vma)->vm_mm), start, (end) - (start)) - -static inline void flush_tlb_page(struct vm_area_struct *vma, - unsigned long addr) -{ - flush_tlb_range(vma, addr, addr + PAGE_SIZE); -} - -#define flush_tlb_mm(mm) \ - remote_sfence_vma(mm_cpumask(mm), 0, -1) - #endif /* CONFIG_SMP */ /* Flush a range of kernel pages */ |