From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751553AbbGKUZa (ORCPT ); Sat, 11 Jul 2015 16:25:30 -0400 Received: from mail-ig0-f174.google.com ([209.85.213.174]:37029 "EHLO mail-ig0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751257AbbGKUZ3 (ORCPT ); Sat, 11 Jul 2015 16:25:29 -0400 From: David Daney To: linux-arm-kernel@lists.infradead.org, Catalin Marinas , Will Deacon Cc: linux-kernel@vger.kernel.org, Robert Richter , Andrew Morton , David Daney Subject: [PATCH 0/3] arm64, mm: Use IPIs for TLB invalidation. Date: Sat, 11 Jul 2015 13:25:20 -0700 Message-Id: <1436646323-10527-1-git-send-email-ddaney.cavm@gmail.com> X-Mailer: git-send-email 1.7.11.7 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: David Daney This patch set (or something like it) is needed for the Cavium ThunderX, but its performance improvements may make it compelling on its own merits. Summery: On ThunerX we cannot use broadcast TLB invalidation, so we use IPIs where necessary. The funny thing is that it also happens to make workloads similar to kernel builds much faster. David Daney (3): arm64, mm: Add flush_tlb_all_local() function. arm64, mm: Use flush_tlb_all_local() in flush_context(). arm64, mm: Use IPIs for TLB invalidation. arch/arm64/include/asm/tlbflush.h | 64 ++++++++------------------------------- arch/arm64/mm/context.c | 2 +- arch/arm64/mm/flush.c | 46 ++++++++++++++++++++++++++++ 3 files changed, 59 insertions(+), 53 deletions(-) -- 1.9.1