arm64: tlb: Use last-level invalidation in flush_tlb_kernel_range()

flush_tlb_kernel_range() is only ever used to invalidate last-level
entries, so we can restrict the scope of the TLB invalidation
instruction.

Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

diff --git a/arch/arm64/include/asm/tlbflush.h b/arch/arm64/include/asm/tlbflush.h
index a4a1901140ee98d21863f4f2978a7b627c5d0014..7e2a35424ca4176471e771ae9e0aa8cda8f8de5f 100644 (file)
--- a/arch/arm64/include/asm/tlbflush.h
+++ b/arch/arm64/include/asm/tlbflush.h
@@ -199,7 +199,7 @@ static inline void flush_tlb_kernel_range(unsigned long start, unsigned long end
 
        dsb(ishst);
        for (addr = start; addr < end; addr += 1 << (PAGE_SHIFT - 12))
-               __tlbi(vaae1is, addr);
+               __tlbi(vaale1is, addr);
        dsb(ish);
        isb();
 }