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 77B7DC63798 for ; Sun, 8 Nov 2020 05:18:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 43068217A0 for ; Sun, 8 Nov 2020 05:18:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=arista.com header.i=@arista.com header.b="HEI8SQGY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728811AbgKHFSc (ORCPT ); Sun, 8 Nov 2020 00:18:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37784 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728388AbgKHFRr (ORCPT ); Sun, 8 Nov 2020 00:17:47 -0500 Received: from mail-wm1-x342.google.com (mail-wm1-x342.google.com [IPv6:2a00:1450:4864:20::342]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B1B3EC0613D2 for ; Sat, 7 Nov 2020 21:17:46 -0800 (PST) Received: by mail-wm1-x342.google.com with SMTP id s13so4951951wmh.4 for ; Sat, 07 Nov 2020 21:17:46 -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=jNfLr2MUDn+yRnjMBh+JTqbF61rd26wUzAa4aRLLOQ0=; b=HEI8SQGYtXIV+QZl6JJjDaPUkZG0ISuzaeDIP6HZy6g9tm5OgDQurVVWtVk5GINgh6 71oVVjA05Of0/EFMg720id1UOgeo9/3e0cHlMhRvyWuYJ+8gNcGr6LLRbZMbWbtgwbnJ d8my0E6zwFxl5JW9RUwh9C4oqKTz+l3tVZiaEJNUcZ6PoZnLjmtpdfOw5fwxsSb9JuUz ntuCgLeorOdFc5Oh1d4k/rfgCGMo/oZpdFPGlzDEi01qURYX0oT52mo8K4zBHtR6/3LO Mj4rJmVnajEF6qbrdR/yhaE1EjZGP2PlUA5QE4FT+vTsWcQBU8EjaaSPg6snBSkKeuA+ 1rng== 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=jNfLr2MUDn+yRnjMBh+JTqbF61rd26wUzAa4aRLLOQ0=; b=febx9jQcYGv2IMXnJ/bl+S6Ub8QnPyWSj0hgJnDox2B8pBCF5rUGrLFaN2X1dVuHB1 ShHvnSytPM5L+pQl7vvpQil25mBXqLZGqRrINDXeY0LsZUoqexzI3QMR7Rc48l7Z3kA4 /jgG56LejyV08TW12N+9k1zt61BxCD0qv6epMctFwZ1dv1IyGHlMvZkYsuiQDExeauIx YId+bDBEm93xo5vTnnGvSAEzuJKZepGTI9JN4k0GTmXfbPFVI+fftmvgLLez84BFwEnA AiqZHRFICh0kvHFqxJ4bD9GH0oYQuebjJPEHzY/1ojw0mrTYxrqDGkmSOYjQixW8Sh7c aczw== X-Gm-Message-State: AOAM530W+SV+DLaqz84ly1a2k2xeacAkEhl7M3BXM1QtGGvgPapmTdXv KE63cgvGYi/IY0i+Ccim+x19tDxNk5ojXJUs X-Google-Smtp-Source: ABdhPJzn8OMvPlB5ADLsaEbzJcXV9HtJJO6R7x4EgeCZCrjs+1+6ZvuUSpkVxJDwjTHCtpjhyRtYCA== X-Received: by 2002:a1c:2803:: with SMTP id o3mr7477214wmo.97.1604812665214; Sat, 07 Nov 2020 21:17:45 -0800 (PST) Received: from localhost.localdomain ([2a02:8084:e84:2480:228:f8ff:fe6f:83a8]) by smtp.gmail.com with ESMTPSA id r10sm8378462wmg.16.2020.11.07.21.17.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Nov 2020 21:17:44 -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, Christian Borntraeger , Heiko Carstens , Vasily Gorbik , linux-s390@vger.kernel.org Subject: [PATCH 09/19] s390/vdso: Remove vdso_base pointer from mm->context Date: Sun, 8 Nov 2020 05:17:19 +0000 Message-Id: <20201108051730.2042693-10-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. Cc: Christian Borntraeger Cc: Heiko Carstens Cc: Vasily Gorbik Cc: linux-s390@vger.kernel.org Signed-off-by: Dmitry Safonov --- arch/s390/include/asm/mmu.h | 1 - arch/s390/kernel/vdso.c | 10 ---------- 2 files changed, 11 deletions(-) diff --git a/arch/s390/include/asm/mmu.h b/arch/s390/include/asm/mmu.h index e12ff0f29d1a..095d0596f700 100644 --- a/arch/s390/include/asm/mmu.h +++ b/arch/s390/include/asm/mmu.h @@ -15,7 +15,6 @@ typedef struct { unsigned long gmap_asce; unsigned long asce; unsigned long asce_limit; - unsigned long vdso_base; /* The mmu context belongs to a secure guest. */ atomic_t is_protected; /* diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c index 810b72f8985c..3f07711a07c1 100644 --- a/arch/s390/kernel/vdso.c +++ b/arch/s390/kernel/vdso.c @@ -58,18 +58,9 @@ static vm_fault_t vdso_fault(const struct vm_special_mapping *sm, return 0; } -static int vdso_mremap(const struct vm_special_mapping *sm, - struct vm_area_struct *vma) -{ - current->mm->context.vdso_base = vma->vm_start; - - return 0; -} - static const struct vm_special_mapping vdso_mapping = { .name = "[vdso]", .fault = vdso_fault, - .mremap = vdso_mremap, }; static int __init vdso_setup(char *str) @@ -204,7 +195,6 @@ int arch_setup_additional_pages(unsigned long *sysinfo_ehdr) goto out_up; } - current->mm->context.vdso_base = vdso_base; *sysinfo_ehdr = vdso_base; rc = 0; -- 2.28.0