From ad4c40e937f6d6a08a579c4a78206039618426b7 Mon Sep 17 00:00:00 2001 From: Vineet Gupta Date: Tue, 17 Nov 2015 10:10:29 +0530 Subject: ARC: mm: tlb flush optim: Make TLBWriteNI fallback to TLBWrite if not available TLBWriteNI was introduced in MMUv2 (to not invalidate uTLBs in Fast Path TLB Refill Handler). To avoid #ifdef'ery make it fallback to TLBWrite availabel on all MMUs. This will also help with next change Signed-off-by: Vineet Gupta --- arch/arc/include/asm/mmu.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/arc/include') diff --git a/arch/arc/include/asm/mmu.h b/arch/arc/include/asm/mmu.h index 0abacb82a72b..26b731d32a2b 100644 --- a/arch/arc/include/asm/mmu.h +++ b/arch/arc/include/asm/mmu.h @@ -67,6 +67,8 @@ #if (CONFIG_ARC_MMU_VER >= 2) #define TLBWriteNI 0x5 /* write JTLB without inv uTLBs */ #define TLBIVUTLB 0x6 /* explicitly inv uTLBs */ +#else +#define TLBWriteNI TLBWrite /* Not present in hardware, fallback */ #endif #if (CONFIG_ARC_MMU_VER >= 4) -- cgit v1.2.3