From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759876AbcLRDHE (ORCPT ); Sat, 17 Dec 2016 22:07:04 -0500 Received: from shards.monkeyblade.net ([184.105.139.130]:48066 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750857AbcLRDHD (ORCPT ); Sat, 17 Dec 2016 22:07:03 -0500 Date: Sat, 17 Dec 2016 22:07:00 -0500 (EST) Message-Id: <20161217.220700.50846773009762926.davem@davemloft.net> To: mike.kravetz@oracle.com Cc: sparclinux@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, bob.picco@oracle.com, nitin.m.gupta@oracle.com, vijay.ac.kumar@oracle.com, julian.calaby@gmail.com, adam.buchbinder@gmail.com, kirill.shutemov@linux.intel.com, mhocko@suse.com, akpm@linux-foundation.org Subject: Re: [RFC PATCH 03/14] sparc64: routines for basic mmu shared context structure management From: David Miller In-Reply-To: <1481913337-9331-4-git-send-email-mike.kravetz@oracle.com> References: <1481913337-9331-1-git-send-email-mike.kravetz@oracle.com> <1481913337-9331-4-git-send-email-mike.kravetz@oracle.com> X-Mailer: Mew version 6.7 on Emacs 25.1 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Sat, 17 Dec 2016 18:07:44 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Mike Kravetz Date: Fri, 16 Dec 2016 10:35:26 -0800 > +void smp_flush_shared_tlb_mm(struct mm_struct *mm) > +{ > + u32 ctx = SHARED_CTX_HWBITS(mm->context); > + > + (void)get_cpu(); /* prevent preemption */ preempt_disable(); > + > + smp_cross_call(&xcall_flush_tlb_mm, ctx, 0, 0); > + __flush_tlb_mm(ctx, SECONDARY_CONTEXT); > + > + put_cpu(); preempt_enable();