Message ID | 20190807013340.9706-26-jhubbard@nvidia.com |
---|---|
State | Not Applicable |
Delegated to: | David Miller |
Headers | show
Return-Path: <sparclinux-owner@vger.kernel.org> X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=sparclinux-owner@vger.kernel.org; receiver=<UNKNOWN>) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="rAOpaTjU"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 463DZC463Xz9sP3 for <patchwork-incoming@ozlabs.org>; Wed, 7 Aug 2019 11:34:27 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729660AbfHGBe1 (ORCPT <rfc822;patchwork-incoming@ozlabs.org>); Tue, 6 Aug 2019 21:34:27 -0400 Received: from mail-pf1-f193.google.com ([209.85.210.193]:34376 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729604AbfHGBe0 (ORCPT <rfc822; sparclinux@vger.kernel.org>); Tue, 6 Aug 2019 21:34:26 -0400 Received: by mail-pf1-f193.google.com with SMTP id b13so42497035pfo.1; Tue, 06 Aug 2019 18:34:25 -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=lKIFYbXGeRFczJ7GPuSawhtMV9YIx2+MYUTps7oOTAE=; b=rAOpaTjUSe2mFnrvmhnJS8xKHHDfXHpmD+l4Uv9l8gmgovmdA6+wJqXqls9UsmJQBz ep3JWBTwWzs2IRGwW41GCxQWL8zWFiSR6uy1gns5wXkfbjCngWqZazp0XVGWvkIrwV7K z/fUXqz3btTykEGkC1n2yQAIcvStpMcGGmLYj4sdGhsYd7aWY+K2HM0TRDI35Ihws22z bA5Wn1kxkVVUCZDFZU2yV7yqOW35XJ9lVNcA81nOyQ1MEO7P4qKnD+B4GkGo8p2H58WM u5trmpjCembtTJLb3EXiFKzyKJTiFQRUI8DgENKYMdkcBAeXgiFZBUUnvfxQ+ER9+IzC DzYw== 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=lKIFYbXGeRFczJ7GPuSawhtMV9YIx2+MYUTps7oOTAE=; b=SFA0llfQ5r7mgSC4trDhH2uPMJ+Q9RmJ/va71kDJSboAN8jWwRhq/Fo4ikBeFqbsl3 7YY491VbUgk4RFmYUZisNrblaXMhsQtljLr/n6axmwWGAzT1Z/vIKwHqi0nEUU72EpMq 7Pwohs1YRCMIBlVhI06d46A6mK4GkJqWbtSv6W8xJkou/PopmmM+zhhZ0iR8j6Af4DOv AiVgU43VTGYNi7WbUZK0FUajIVaLBdMY7AtHTuk1S5K5dvjN8rXsJRuNEt+OEUIKlhQC 83rBmtwu7yJmfhbxwpF6Q8+Qb4fqdL30y4Tu1xfZ3WQLGGVX2Xcrf/UqaZ2nS0czcMOa ePFQ== X-Gm-Message-State: APjAAAXfxrxqcyPWAAkLy91uyL31gSbsYfumJXFyR/OZb82KMxpC3O5c zB447nGKw1LXOaROyD7fSJYdNzyz X-Google-Smtp-Source: APXvYqy16jzsEED+wwh8ENkTlGqxRvZ0RoyFpGJNp0G/IOpaWMDvDoKlXk8GjrxTBQC2gP0d6Cw0/w== X-Received: by 2002:a65:4205:: with SMTP id c5mr5563561pgq.267.1565141664948; Tue, 06 Aug 2019 18:34:24 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u69sm111740800pgu.77.2019.08.06.18.34.23 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Tue, 06 Aug 2019 18:34:24 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton <akpm@linux-foundation.org> Cc: Christoph Hellwig <hch@infradead.org>, Dan Williams <dan.j.williams@intel.com>, Dave Chinner <david@fromorbit.com>, Dave Hansen <dave.hansen@linux.intel.com>, Ira Weiny <ira.weiny@intel.com>, Jan Kara <jack@suse.cz>, Jason Gunthorpe <jgg@ziepe.ca>, =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= <jglisse@redhat.com>, LKML <linux-kernel@vger.kernel.org>, amd-gfx@lists.freedesktop.org, ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, devel@lists.orangefs.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-block@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-media@vger.kernel.org, linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-rdma@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-xfs@vger.kernel.org, netdev@vger.kernel.org, rds-devel@oss.oracle.com, sparclinux@vger.kernel.org, x86@kernel.org, xen-devel@lists.xenproject.org, John Hubbard <jhubbard@nvidia.com>, Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>, Arnaldo Carvalho de Melo <acme@kernel.org>, Alexander Shishkin <alexander.shishkin@linux.intel.com>, Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org> Subject: [PATCH v3 25/41] uprobes: convert put_page() to put_user_page*() Date: Tue, 6 Aug 2019 18:33:24 -0700 Message-Id: <20190807013340.9706-26-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190807013340.9706-1-jhubbard@nvidia.com> References: <20190807013340.9706-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: 8bit Sender: sparclinux-owner@vger.kernel.org Precedence: bulk List-ID: <sparclinux.vger.kernel.org> X-Mailing-List: sparclinux@vger.kernel.org |
Series |
put_user_pages(): miscellaneous call sites
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expand
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diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index 84fa00497c49..4a575de8cec8 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -397,7 +397,7 @@ __update_ref_ctr(struct mm_struct *mm, unsigned long vaddr, short d) ret = 0; out: kunmap_atomic(kaddr); - put_page(page); + put_user_page(page); return ret; } @@ -504,7 +504,7 @@ int uprobe_write_opcode(struct arch_uprobe *auprobe, struct mm_struct *mm, ret = __replace_page(vma, vaddr, old_page, new_page); put_page(new_page); put_old: - put_page(old_page); + put_user_page(old_page); if (unlikely(ret == -EAGAIN)) goto retry; @@ -1981,7 +1981,7 @@ static int is_trap_at_addr(struct mm_struct *mm, unsigned long vaddr) return result; copy_from_page(page, vaddr, &opcode, UPROBE_SWBP_INSN_SIZE); - put_page(page); + put_user_page(page); out: /* This needs to return true for any variant of the trap insn */ return is_trap_insn(&opcode);