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=-12.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, 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 194A7C56201 for ; Sun, 8 Nov 2020 05:17:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D86ED2224B for ; Sun, 8 Nov 2020 05:17:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=arista.com header.i=@arista.com header.b="O+TSAOn4" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728492AbgKHFRx (ORCPT ); Sun, 8 Nov 2020 00:17:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37778 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728350AbgKHFRp (ORCPT ); Sun, 8 Nov 2020 00:17:45 -0500 Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4B908C0613D2 for ; Sat, 7 Nov 2020 21:17:45 -0800 (PST) Received: by mail-wr1-x443.google.com with SMTP id l1so929704wrb.9 for ; Sat, 07 Nov 2020 21:17:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=arista.com; s=googlenew; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=IHpfOP0PLjo6SGxXYfmRoRiTS6gCRlgiW2MJVGqZfaQ=; b=O+TSAOn4fPFmoKIXVbdlQJ98zsck47iQe+/ls6bhKb4uvKtbJzkdOhtsJc0mbfhydu sZgHcKXuw9/MRPnfy6Wmg/cRkC7bqf/u6PzIIEAeNCtEtMp5V9RQWnz/nT71M2Vd/xhv O2HoBeXSHmtPXNYzkIVeRqCBIhXiqkcEfCy+D4m8Ne4SoDn82UI+zEuYa44LHNr4OSAH TF2aUCkma1mioxA5dfSrdwOzQCT4Zig0c9VAJ/ygsIZCUF39dIaDnjdOsDZfr05z3FLf wQqmnDI0lwxVuNwXmDsGT2J+jdu86CqZ+5cIFQcoP53IE1eqS0Uik0qgHVbqkrfbXR62 YKkQ== 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=IHpfOP0PLjo6SGxXYfmRoRiTS6gCRlgiW2MJVGqZfaQ=; b=EpNVworNW/zwljA1QQeC+00Gs1MGUpp9hzlLcLqljnBDnmvvbreNj3qGkIEEMcPqly ahJHjiTFgE+KWqr5y3eYRn1eGeJbThIcdOz41sFEyeLasXr9VI3demvuQyfJfcp0p3uw K1ihXQNtpcKQ5CueF3TcVXwXdB4mtiuJPQjQtG5biDRwCWNKSWFQcL3c414NPRrBRn2p kmbkkO8J/WcjMSm6SzAD6TE9azG7Y3mmSxlOft5Py1ENQVPKX8dIMMlkP009cZvhzmp4 qdQyXfX5/+0zMT0gD82YM8R5CghVTVY7mnUzgRqBLQyXKSkZrkOXAYFz2PMjwmcPjn4I YVeQ== X-Gm-Message-State: AOAM530Ho7003N8yHjgb41/OYF5/KcnqjHQ2rnZr3CVXb9hQ7adgkK+1 acESkeSmw1vXk/0n+t0nExlDhxxZo4wL+SzW X-Google-Smtp-Source: ABdhPJzbarch1wGZx8GRoQgzMCVxjKfl2OJ7eJ/uAvxhw0QMzi5aOn7+2cxwpSZYOXsmXlc5b4HagA== X-Received: by 2002:adf:f083:: with SMTP id n3mr11009579wro.391.1604812663864; Sat, 07 Nov 2020 21:17:43 -0800 (PST) Received: from localhost.localdomain ([2a02:8084:e84:2480:228:f8ff:fe6f:83a8]) by smtp.gmail.com with ESMTPSA id r10sm8378462wmg.16.2020.11.07.21.17.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Nov 2020 21:17:43 -0800 (PST) From: Dmitry Safonov To: linux-kernel@vger.kernel.org Cc: Dmitry Safonov <0x7f454c46@gmail.com>, Dmitry Safonov , Alexander Viro , Andrew Morton , Andy Lutomirski , Arnd Bergmann , Borislav Petkov , Catalin Marinas , Christophe Leroy , Guo Ren , "H. Peter Anvin" , Ingo Molnar , Oleg Nesterov , Russell King , Thomas Bogendoerfer , Thomas Gleixner , Vincenzo Frascino , Will Deacon , x86@kernel.org Subject: [PATCH 08/19] arm/vdso: Remove vdso pointer from mm->context Date: Sun, 8 Nov 2020 05:17:18 +0000 Message-Id: <20201108051730.2042693-9-dima@arista.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201108051730.2042693-1-dima@arista.com> References: <20201108051730.2042693-1-dima@arista.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Not used any more. Signed-off-by: Dmitry Safonov --- arch/arm/include/asm/mmu.h | 3 --- arch/arm/kernel/vdso.c | 12 ------------ 2 files changed, 15 deletions(-) diff --git a/arch/arm/include/asm/mmu.h b/arch/arm/include/asm/mmu.h index 1592a4264488..2397b0a19f59 100644 --- a/arch/arm/include/asm/mmu.h +++ b/arch/arm/include/asm/mmu.h @@ -12,9 +12,6 @@ typedef struct { #endif unsigned int vmalloc_seq; unsigned long sigpage; -#ifdef CONFIG_VDSO - unsigned long vdso; -#endif #ifdef CONFIG_BINFMT_ELF_FDPIC unsigned long exec_fdpic_loadmap; unsigned long interp_fdpic_loadmap; diff --git a/arch/arm/kernel/vdso.c b/arch/arm/kernel/vdso.c index 710e5ca99a53..4b39c7d8f525 100644 --- a/arch/arm/kernel/vdso.c +++ b/arch/arm/kernel/vdso.c @@ -47,17 +47,8 @@ static const struct vm_special_mapping vdso_data_mapping = { .pages = &vdso_data_page, }; -static int vdso_mremap(const struct vm_special_mapping *sm, - struct vm_area_struct *new_vma) -{ - current->mm->context.vdso = new_vma->vm_start; - - return 0; -} - static struct vm_special_mapping vdso_text_mapping __ro_after_init = { .name = "[vdso]", - .mremap = vdso_mremap, }; struct elfinfo { @@ -239,8 +230,6 @@ void arm_install_vdso(struct mm_struct *mm, unsigned long addr, struct vm_area_struct *vma; unsigned long len; - mm->context.vdso = 0; - if (vdso_text_pagelist == NULL) return; @@ -258,7 +247,6 @@ void arm_install_vdso(struct mm_struct *mm, unsigned long addr, if (IS_ERR(vma)) return; - mm->context.vdso = addr; *sysinfo_ehdr = addr; } -- 2.28.0