From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 92789C43382 for ; Thu, 27 Sep 2018 18:52:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5D96821710 for ; Thu, 27 Sep 2018 18:52:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5D96821710 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=zytor.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728560AbeI1BMS (ORCPT ); Thu, 27 Sep 2018 21:12:18 -0400 Received: from terminus.zytor.com ([198.137.202.136]:53467 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727307AbeI1BMS (ORCPT ); Thu, 27 Sep 2018 21:12:18 -0400 Received: from terminus.zytor.com (localhost [127.0.0.1]) by terminus.zytor.com (8.15.2/8.15.2) with ESMTPS id w8RIpsQx130086 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Thu, 27 Sep 2018 11:51:54 -0700 Received: (from tipbot@localhost) by terminus.zytor.com (8.15.2/8.15.2/Submit) id w8RIps9Y130083; Thu, 27 Sep 2018 11:51:54 -0700 Date: Thu, 27 Sep 2018 11:51:54 -0700 X-Authentication-Warning: terminus.zytor.com: tipbot set sender to tipbot@zytor.com using -f From: tip-bot for Peter Zijlstra Message-ID: Cc: mark.gross@intel.com, dave.hansen@intel.com, mingo@kernel.org, peterz@infradead.org, hpa@zytor.com, bin.yang@intel.com, linux-kernel@vger.kernel.org, tglx@linutronix.de Reply-To: dave.hansen@intel.com, mark.gross@intel.com, mingo@kernel.org, linux-kernel@vger.kernel.org, peterz@infradead.org, hpa@zytor.com, bin.yang@intel.com, tglx@linutronix.de In-Reply-To: <20180919085947.831102058@infradead.org> References: <20180919085947.831102058@infradead.org> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/mm] x86/mm/cpa: Use flush_tlb_all() Git-Commit-ID: c6185b1f21a47af94617fde3af7e803817b522a9 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: c6185b1f21a47af94617fde3af7e803817b522a9 Gitweb: https://git.kernel.org/tip/c6185b1f21a47af94617fde3af7e803817b522a9 Author: Peter Zijlstra AuthorDate: Wed, 19 Sep 2018 10:50:17 +0200 Committer: Thomas Gleixner CommitDate: Thu, 27 Sep 2018 20:39:40 +0200 x86/mm/cpa: Use flush_tlb_all() Instead of open-coding it.. Signed-off-by: Peter Zijlstra (Intel) Signed-off-by: Thomas Gleixner Reviewed-by: Dave Hansen Cc: Bin Yang Cc: Mark Gross Link: https://lkml.kernel.org/r/20180919085947.831102058@infradead.org --- arch/x86/mm/pageattr.c | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 4e55ded01be5..a22f6b71a308 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -285,16 +285,6 @@ static void cpa_flush_all(unsigned long cache) on_each_cpu(__cpa_flush_all, (void *) cache, 1); } -static void __cpa_flush_range(void *arg) -{ - /* - * We could optimize that further and do individual per page - * tlb invalidates for a low number of pages. Caveat: we must - * flush the high aliases on 64bit as well. - */ - __flush_tlb_all(); -} - static void cpa_flush_range(unsigned long start, int numpages, int cache) { unsigned int i, level; @@ -303,7 +293,7 @@ static void cpa_flush_range(unsigned long start, int numpages, int cache) BUG_ON(irqs_disabled() && !early_boot_irqs_disabled); WARN_ON(PAGE_ALIGN(start) != start); - on_each_cpu(__cpa_flush_range, NULL, 1); + flush_tlb_all(); if (!cache) return;