diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/include/asm/tlbflush.h | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/arch/arm64/include/asm/tlbflush.h b/arch/arm64/include/asm/tlbflush.h index 5f5e7d1f2e7d..bc94e036a26b 100644 --- a/arch/arm64/include/asm/tlbflush.h +++ b/arch/arm64/include/asm/tlbflush.h @@ -501,19 +501,21 @@ static inline void flush_tlb_range(struct vm_area_struct *vma, static inline void flush_tlb_kernel_range(unsigned long start, unsigned long end) { - unsigned long addr; + const unsigned long stride = PAGE_SIZE; + unsigned long pages; - if ((end - start) > (MAX_DVM_OPS * PAGE_SIZE)) { + start = round_down(start, stride); + end = round_up(end, stride); + pages = (end - start) >> PAGE_SHIFT; + + if (__flush_tlb_range_limit_excess(start, end, pages, stride)) { flush_tlb_all(); return; } - start = __TLBI_VADDR(start, 0); - end = __TLBI_VADDR(end, 0); - dsb(ishst); - for (addr = start; addr < end; addr += 1 << (PAGE_SHIFT - 12)) - __tlbi(vaale1is, addr); + __flush_tlb_range_op(vaale1is, start, pages, stride, 0, + TLBI_TTL_UNKNOWN, false, lpa2_is_enabled()); dsb(ish); isb(); } |