diff mbox series

[RFC,01/11] arm64: tlb: Use last-level invalidation in flush_tlb_kernel_range()

Message ID 1535125966-7666-2-git-send-email-will.deacon@arm.com
State Superseded
Headers show
Series Avoid synchronous TLB invalidation for intermediate page-table entries on arm64 | expand

Commit Message

Will Deacon Aug. 24, 2018, 3:52 p.m. UTC 
flush_tlb_kernel_range() is only ever used to invalidate last-level
entries, so we can restrict the scope of the TLB invalidation
instruction.

Signed-off-by: Will Deacon <will.deacon@arm.com>

---
 arch/arm64/include/asm/tlbflush.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
2.1.4
diff mbox series

Patch

diff --git a/arch/arm64/include/asm/tlbflush.h b/arch/arm64/include/asm/tlbflush.h
index a4a1901140ee..7e2a35424ca4 100644
--- 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();
 }