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Diffstat (limited to 'arch/arm64/include/asm/tlbflush.h')
-rw-r--r--arch/arm64/include/asm/tlbflush.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/tlbflush.h b/arch/arm64/include/asm/tlbflush.h
index 4abe9b945f77..c3bb05b98616 100644
--- a/arch/arm64/include/asm/tlbflush.h
+++ b/arch/arm64/include/asm/tlbflush.h
@@ -144,6 +144,19 @@ static inline void flush_tlb_kernel_range(unsigned long start, unsigned long end
}
/*
+ * Used to invalidate the TLB (walk caches) corresponding to intermediate page
+ * table levels (pgd/pud/pmd).
+ */
+static inline void __flush_tlb_pgtable(struct mm_struct *mm,
+ unsigned long uaddr)
+{
+ unsigned long addr = uaddr >> 12 | ((unsigned long)ASID(mm) << 48);
+
+ dsb(ishst);
+ asm("tlbi vae1is, %0" : : "r" (addr));
+ dsb(ish);
+}
+/*
* On AArch64, the cache coherency is handled via the set_pte_at() function.
*/
static inline void update_mmu_cache(struct vm_area_struct *vma,