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=-9.8 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,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 3DC5AC433DF for ; Wed, 26 Aug 2020 14:55:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 157BB2078D for ; Wed, 26 Aug 2020 14:55:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="gAZmM9ij" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728058AbgHZOzT (ORCPT ); Wed, 26 Aug 2020 10:55:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34204 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727093AbgHZOyY (ORCPT ); Wed, 26 Aug 2020 10:54:24 -0400 Received: from mail-pj1-x1044.google.com (mail-pj1-x1044.google.com [IPv6:2607:f8b0:4864:20::1044]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C58BFC061756; Wed, 26 Aug 2020 07:54:23 -0700 (PDT) Received: by mail-pj1-x1044.google.com with SMTP id q93so1197015pjq.0; Wed, 26 Aug 2020 07:54:23 -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=gAZmM9ijM6uRIbJgMuK6cdpxSCGL3X0aN2OJWq4mKPGIHQoe4uUXiMmjTeFHWBxeev gZnQaTfWdEDCpUVkS6o8neOVCDd16NmRnSGLN0nwvc9ysWGgKOFIDrdeqvM9kYXcoweJ +OYgRha6cGCWmqXx4soJtzKRuCBJQy6Prrr8yrhGaggR1EHGnKKLJ4JVDLgiOM/E6M5+ x+X24U/Zr4fK2SyfswMohxENGL6EsmlmuPVtJkbahGTAYGvljX/dYmB6kE4Ptg4xENcX lo8YYPolqekviooUc9V2DHClegUUoRX91emu17f5N5iuL4gsz4NkN5RFpyHzIgBZgTGl pz3g== 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=iIPWosm0vKOMFZj+z3dbF6owicAm8D97zrKxYe/hHX++tOqAdzGhiJ9kVasI+TA0aY mIB1RAQL2VUQYJiU8wu+IfX4jAPYKSeOfkFF5ai0DtubRnWo158gbnHf1RPNQhaIjIKo h+ecW/h/FeiEcRsIDG7FuS86Tsj6dUQ9VhpA0nAQeUCmarDQNtseDNP4Z5qiYGhe72QP vb6tpXv40PGodrCj4SCeCzI0oD9WoftepOyyPFm6giSaibzHRVs+VXTKvfOTJ2O8nif6 44hAQot2k56SRh98g0SAxNe4GXN1+HnPnlL1Uv8jfkS43p7kYu+OIDEirsEDxv2AAlLI QC1A== X-Gm-Message-State: AOAM5319R8HBLr6oUX99AkHZ1Y83LYWV/xhkRG6mmic8KNToKAod1Qct 9VOQ6aKuvwzJnC3iawH5ciigm2h4lTM= X-Google-Smtp-Source: ABdhPJz+w25ojokfqUyML0jgxpkh96G1H3gOrbijHk0y9SorqFJkCxJL7p4DPgIoUQtQ/C9hxH0hig== X-Received: by 2002:a17:902:bcc6:: with SMTP id o6mr12318919pls.109.1598453663185; Wed, 26 Aug 2020 07:54:23 -0700 (PDT) Received: from bobo.ozlabs.ibm.com (61-68-212-105.tpgi.com.au. [61.68.212.105]) by smtp.gmail.com with ESMTPSA id r7sm3327140pfl.186.2020.08.26.07.54.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Aug 2020 07:54:22 -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 v2 22/23] x86: use asm-generic/mmu_context.h for no-op implementations Date: Thu, 27 Aug 2020 00:52:48 +1000 Message-Id: <20200826145249.745432-23-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200826145249.745432-1-npiggin@gmail.com> References: <20200826145249.745432-1-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