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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 04979C64E75 for ; Tue, 24 Nov 2020 00:30:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A3954221F1 for ; Tue, 24 Nov 2020 00:29:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=arista.com header.i=@arista.com header.b="O+0wOeau" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729804AbgKXA3v (ORCPT ); Mon, 23 Nov 2020 19:29:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54510 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729659AbgKXA3u (ORCPT ); Mon, 23 Nov 2020 19:29:50 -0500 Received: from mail-wm1-x341.google.com (mail-wm1-x341.google.com [IPv6:2a00:1450:4864:20::341]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 10C00C061A4D for ; Mon, 23 Nov 2020 16:29:50 -0800 (PST) Received: by mail-wm1-x341.google.com with SMTP id p19so931768wmg.0 for ; Mon, 23 Nov 2020 16:29:49 -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=GtpVEK2AhHht05u643nAzhNZYWjkRP1wpDVNSCUXwZw=; b=O+0wOeauQiRoFtf5fWf0wut4YMeQpaWBddIFsHi6nl2vcIYj9MDyOxkfSo8pNEn56p r9PqkfR/sDYCk84fGKpIQ5whwKdu5lO2F9lVEQv5j5fPRPWSqaxcq9R14ModUev+o9ei mCQL/y6F6qfz9/sfj8clYBc3iuMJj95KiNNA5fJNybQUnBhh54w92d/CcWNhxjvX9LdZ GPFsIBATIdW+G2EOTLzDGJEYJealPW9XBsJpFAVS40DiRFyItQh+r2AFLGETqjFhe5h4 LuQmk471OYld9+pa2y0bcHUT98Rk23LToYeGjVtMXizDdkI0k/VlQq+oLFP3FshD49X+ ulyA== 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=GtpVEK2AhHht05u643nAzhNZYWjkRP1wpDVNSCUXwZw=; b=n9V8E0hxiHXGoFL5v4DPAdpiShn3q6X5w4fL0kHLjmNZUPrGE/j+j4U/EX3XRmrp1/ ckcWOWAvFHgSOAtIPzOxyzjy6ue015IHtiKLlzQKu7lsFJCOXvJSWrC3gyomtaYJ9Vgj a7VL0AUT7b9YDQvOEIxNyDUEtbkQHH2GtkN0//NzR8odfSbtQyJ0NxHr4fjKAIOCqN0v 8g23QavZ/rkEVqvvMTZuEP2bAJJbsw/VHdfu56lhinmk8zHOXUhvcjWbOdD6K474hTb3 jgbv8iG2PZmAjXtOBaAmMI/tIk7H+TwLxHkGRWCiVgQoiEBy7F09Q1CDOYO6dneHb8Sh XMag== X-Gm-Message-State: AOAM533ru3DQNW1e4US7y8Hw72dIm92qoYr+7crYYMSRFlagW6kHiVT8 ChSIYrHShTZ9CWIA7qrep0vrbsMsGQpAGtA9 X-Google-Smtp-Source: ABdhPJzMYZsaDRK/zbSVz8/fZ8oCg+qyvVslwcd9K9TbXnww3vHWJVyYPt+y4z0lfYFFoOskgj28dg== X-Received: by 2002:a1c:a9c4:: with SMTP id s187mr1437405wme.180.1606177788611; Mon, 23 Nov 2020 16:29:48 -0800 (PST) Received: from localhost.localdomain ([2a02:8084:e84:2480:228:f8ff:fe6f:83a8]) by smtp.gmail.com with ESMTPSA id c6sm25047360wrh.74.2020.11.23.16.29.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Nov 2020 16:29:48 -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 v2 09/19] s390/vdso: Remove vdso_base pointer from mm->context Date: Tue, 24 Nov 2020 00:29:22 +0000 Message-Id: <20201124002932.1220517-10-dima@arista.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201124002932.1220517-1-dima@arista.com> References: <20201124002932.1220517-1-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; -- 2.29.2