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=-10.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED,USER_AGENT_GIT 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 8F56BC433E7 for ; Tue, 1 Sep 2020 14:38:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 61511206FA for ; Tue, 1 Sep 2020 14:38:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="GRbCB90G" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727964AbgIAOij (ORCPT ); Tue, 1 Sep 2020 10:38:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42980 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727931AbgIAORs (ORCPT ); Tue, 1 Sep 2020 10:17:48 -0400 Received: from mail-pf1-x441.google.com (mail-pf1-x441.google.com [IPv6:2607:f8b0:4864:20::441]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 16E44C061238; Tue, 1 Sep 2020 07:17:17 -0700 (PDT) Received: by mail-pf1-x441.google.com with SMTP id w7so870985pfi.4; Tue, 01 Sep 2020 07:17:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=LFi90LdQN/Zk1sYT6T5v1lAFBWcv/lCT8hsQFua3q/w=; b=GRbCB90GdyZUi+VoPIPMsixFWPMZj2oy9F/AbKWnvm2FipfPGJ6rm1dMmzM76rSyHW JoXy8WZcBi9L4LHS8bOCZneb74jcAg2PgKNesxYbnnRM5Rc/oWTEtQ+IvnHzBLFz0Kea veq7Mb55DSVQMLTba9tXuO+bS1eTjmewXYheXfJbA90kC33Uqs1QRFN73OHttlpaXWAm 9EecoPIEZ/PbWi/A7BXMwxe3xCT7cqF8nF4WCBrrt8t/9nYioy6zQb+02nqwpuqL9ub7 tU5UKXd3G1H6ILcgpOPP70ReSgB9LFSoycIi2CuJhMvJIdABGd5WZ98GzniWuw5u/0fn CERg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=LFi90LdQN/Zk1sYT6T5v1lAFBWcv/lCT8hsQFua3q/w=; b=H/2aLzArs8eErj/Az7dGFZo8t/Cik/aRpkAcItQtctuG288yAa6nXNmigk9WgVGx2c k0bBcaFftrdh2MoAAvaHXise/jshxzBYpycGpACsUwv/Or6gX8i5Q/dALo8LMoFLGOmb Cxi2dJYEFJiRCDbpbzMGZr5r+xO9tvBjuycWZ/efHx6G7JnWL+kfQwtInaDlbwBiXM4z ty1ejGaMFxCWwb/HHwx/3TeuLj+YPSopxOoRog+67p3IeH0a8UXfFOY7N653rH4AkMHj IVsiWoGnDC05qhDHdqFFEbO9GtokP6b+SJyi1dXdEjb3Vlp9NC/xfO5bMpn57P9i0ATC 5cjA== X-Gm-Message-State: AOAM530MTWqlbfeBaYagUOjJAUzvLN34ZekjBTR7aqhQbo8m0LQRxcZ6 qybxp8yoV+vmLy7wvt8RDA2rA05R01U= X-Google-Smtp-Source: ABdhPJzPQFVQko+EtVWd2JEHXsa40beM/TRyiCuAQFGgp5jdZ8vubIaNgK+HxHvBH8DRG3SBsKKPuA== X-Received: by 2002:aa7:9d8b:: with SMTP id f11mr2043036pfq.5.1598969836473; Tue, 01 Sep 2020 07:17:16 -0700 (PDT) Received: from bobo.ibm.com ([203.185.249.227]) by smtp.gmail.com with ESMTPSA id w9sm2212816pgg.76.2020.09.01.07.17.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Sep 2020 07:17:16 -0700 (PDT) From: Nicholas Piggin To: linux-arch@vger.kernel.org Cc: Nicholas Piggin , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , Peter Zijlstra Subject: [PATCH v3 22/23] x86: use asm-generic/mmu_context.h for no-op implementations Date: Wed, 2 Sep 2020 00:15:38 +1000 Message-Id: <20200901141539.1757549-23-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200901141539.1757549-1-npiggin@gmail.com> References: <20200901141539.1757549-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-arch-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Borislav Petkov Cc: x86@kernel.org Cc: "H. Peter Anvin" Acked-by: Peter Zijlstra (Intel) Signed-off-by: Nicholas Piggin --- arch/x86/include/asm/mmu_context.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h index d98016b83755..36afcbea6a9f 100644 --- a/arch/x86/include/asm/mmu_context.h +++ b/arch/x86/include/asm/mmu_context.h @@ -91,12 +91,14 @@ static inline void switch_ldt(struct mm_struct *prev, struct mm_struct *next) } #endif +#define enter_lazy_tlb enter_lazy_tlb extern void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk); /* * Init a new mm. Used on mm copies, like at fork() * and on mm's that are brand-new, like at execve(). */ +#define init_new_context init_new_context static inline int init_new_context(struct task_struct *tsk, struct mm_struct *mm) { @@ -116,6 +118,8 @@ static inline int init_new_context(struct task_struct *tsk, init_new_context_ldt(mm); return 0; } + +#define destroy_context destroy_context static inline void destroy_context(struct mm_struct *mm) { destroy_context_ldt(mm); @@ -214,4 +218,6 @@ static inline bool arch_vma_access_permitted(struct vm_area_struct *vma, unsigned long __get_current_cr3_fast(void); +#include + #endif /* _ASM_X86_MMU_CONTEXT_H */ -- 2.23.0