Message ID | 20190804224915.28669-17-jhubbard@nvidia.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <owner-linux-mm@kvack.org> Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AC7741395 for <patchwork-linux-mm@patchwork.kernel.org>; Sun, 4 Aug 2019 22:50:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9D00B28818 for <patchwork-linux-mm@patchwork.kernel.org>; Sun, 4 Aug 2019 22:50:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8FE1F2882A; Sun, 4 Aug 2019 22:50:00 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=unavailable version=3.3.1 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2C7FD28818 for <patchwork-linux-mm@patchwork.kernel.org>; Sun, 4 Aug 2019 22:50:00 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id BA2A66B0270; Sun, 4 Aug 2019 18:49:46 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id B28FE6B0271; Sun, 4 Aug 2019 18:49:46 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9A1AC6B0272; Sun, 4 Aug 2019 18:49:46 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from mail-pl1-f198.google.com (mail-pl1-f198.google.com [209.85.214.198]) by kanga.kvack.org (Postfix) with ESMTP id 4D1F06B0270 for <linux-mm@kvack.org>; Sun, 4 Aug 2019 18:49:46 -0400 (EDT) Received: by mail-pl1-f198.google.com with SMTP id y9so45055645plp.12 for <linux-mm@kvack.org>; Sun, 04 Aug 2019 15:49:46 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:dkim-signature:from:to:cc:subject:date :message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=kTcRkfjdEL9HxbTfItIV90QFm+wmUvO1k55I5bm4do4=; b=bbPkGZODxSZAtwqrellL2LNQAuTq0Bo/SShSfgYmi7u4PH8D+uW7fI+N97tFLTUt3W skCuxPZHLA0JzSCf1uGOoHlUTQfb4ruBSRk0n7W16izzrpaoSfXHmHFT7euOJVU0rIyu mSqAe5hyLcNRL3sBqFjjaW8zwY+fKXDU9bDfW8Gks5NQbAq29X2ACyPXvMtYe2sxto6N eKk5oQMy7YLrm875XSogsW2Ur4upWWtvN2ED9GECaXZ2BuvHRgzmtCLjZSsMP8sJuB9A DzaXwZ4VHuovyb58+BoLXsIoyJm1wYkttlUU2n2gDNRroIhoqzhcVycWA14v75loAT9/ hvfQ== X-Gm-Message-State: APjAAAXxEz+9ht7o8kgUlKiPz80uwA4swEGFv8qAtJ84PE/ln36KzFtt Ra0uogk5zSHs3yyHKRjR/HN0MAjQhrsMa4hoaKP3U+AUaSnLdyseLO0uCVlOhS8fM5EELl5yi4k TzJxiNHrYFLhTQvVZGheqcjI/xjDei7xU2g+w7ViFyt0sWKBAsj28RRRbISULnP8ABw== X-Received: by 2002:a65:57ca:: with SMTP id q10mr137715314pgr.52.1564958985923; Sun, 04 Aug 2019 15:49:45 -0700 (PDT) X-Received: by 2002:a65:57ca:: with SMTP id q10mr137715263pgr.52.1564958984947; Sun, 04 Aug 2019 15:49:44 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1564958984; cv=none; d=google.com; s=arc-20160816; b=xpg2bezfKFzzkiYHko5ebvOtKR7kLSLN6VH6RAX2P9b+BkW+PLeDRMK+CZ2jporXoT RoXRf2QGq7/42KBlFGk/iyEjUuQGlNNMcQFbS9qssELt02O7tOCt2madW55VPG55rqbt Q5i07eeb5C4b/fizVjr7UIq3hESlWykZs36XXlYAMSxxpRU/JSjd/ubP3+gn66iPdstQ tsE13sdBvbSWJDWvWSlDKQHvXiaj6sMKzhTG4mpb5fkK1NEmNNmCaCB0PFm54swSHMoF DR2RcM6WmZw8ALw2B6BidmBpv5zI1ML2zcGIH+2BhjMFTt3kMZRCWwXefnJm7e/3PcrH Obvg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:dkim-signature; bh=kTcRkfjdEL9HxbTfItIV90QFm+wmUvO1k55I5bm4do4=; b=ID04uPn6a/Liug/scN7sxIVn+nJQbtjmVLnMDolKBTjQ4aEXRqC/CrBnD7djirpnOn vx+nqBlKBWtIz5Pu4ch2Lm4LMnYqfbvgqV6gvXVtwE9vRpWeO8g4o7U7CQDNc0rBTQfD HCrMIu0M/UM5FJ2AndU9gEs/o1HDEknESk0R76SlIzWea+oBK98D9vZZYB9yt+NWQLdS CECPO2vGMm2a4grQR9N69sV4csgX9fBnNvyfZxRdR62HThFjGAJSJClJPST/3lPm3DKx noDw+4RBoaV4T/ENTUu415K0z6Ju8cCsz1WjhNjSuUP0kz6gt7kUIDSdnhitLlVGfySB gcag== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=Ep9s674E; spf=pass (google.com: domain of john.hubbard@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=john.hubbard@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. 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[216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.43 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:44 -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?SsOpcsO0?= =?utf-8?b?bWUgR2xpc3Nl?= <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>, Jens Wiklander <jens.wiklander@linaro.org> Subject: [PATCH v2 16/34] drivers/tee: convert put_page() to put_user_page*() Date: Sun, 4 Aug 2019 15:48:57 -0700 Message-Id: <20190804224915.28669-17-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: 8bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> X-Virus-Scanned: ClamAV using ClamSMTP |
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put_user_pages(): miscellaneous call sites
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diff --git a/drivers/tee/tee_shm.c b/drivers/tee/tee_shm.c index 2da026fd12c9..c967d0420b67 100644 --- a/drivers/tee/tee_shm.c +++ b/drivers/tee/tee_shm.c @@ -31,16 +31,13 @@ static void tee_shm_release(struct tee_shm *shm) poolm->ops->free(poolm, shm); } else if (shm->flags & TEE_SHM_REGISTER) { - size_t n; int rc = teedev->desc->ops->shm_unregister(shm->ctx, shm); if (rc) dev_err(teedev->dev.parent, "unregister shm %p failed: %d", shm, rc); - for (n = 0; n < shm->num_pages; n++) - put_page(shm->pages[n]); - + put_user_pages(shm->pages, shm->num_pages); kfree(shm->pages); } @@ -313,16 +310,13 @@ struct tee_shm *tee_shm_register(struct tee_context *ctx, unsigned long addr, return shm; err: if (shm) { - size_t n; - if (shm->id >= 0) { mutex_lock(&teedev->mutex); idr_remove(&teedev->idr, shm->id); mutex_unlock(&teedev->mutex); } if (shm->pages) { - for (n = 0; n < shm->num_pages; n++) - put_page(shm->pages[n]); + put_user_pages(shm->pages, shm->num_pages); kfree(shm->pages); } }