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authorVineet Gupta <vgupta@synopsys.com>2015-11-17 05:40:29 +0100
committerVineet Gupta <vgupta@synopsys.com>2019-10-28 20:12:32 +0100
commitad4c40e937f6d6a08a579c4a78206039618426b7 (patch)
tree6aa267dceb8b36bde0b36433539d0766305b210b /arch/arc/mm
parentARC: mm: TLB Miss optim: avoid re-reading ECR (diff)
downloadlinux-ad4c40e937f6d6a08a579c4a78206039618426b7.tar.xz
linux-ad4c40e937f6d6a08a579c4a78206039618426b7.zip
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 <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/mm')
-rw-r--r--arch/arc/mm/tlbex.S4
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/arc/mm/tlbex.S b/arch/arc/mm/tlbex.S
index 4c88148d4cd1..2efaf6ca0c06 100644
--- a/arch/arc/mm/tlbex.S
+++ b/arch/arc/mm/tlbex.S
@@ -292,11 +292,7 @@ ex_saved_reg1:
sr TLBGetIndex, [ARC_REG_TLBCOMMAND]
/* Commit the Write */
-#if (CONFIG_ARC_MMU_VER >= 2) /* introduced in v2 */
sr TLBWriteNI, [ARC_REG_TLBCOMMAND]
-#else
- sr TLBWrite, [ARC_REG_TLBCOMMAND]
-#endif
#else
sr TLBInsertEntry, [ARC_REG_TLBCOMMAND]