From patchwork Sun Aug 4 22:48:52 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: john.hubbard@gmail.com X-Patchwork-Id: 11076175 Return-Path: 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 5D9EF14E5 for ; Mon, 5 Aug 2019 07:35:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 497B128774 for ; Mon, 5 Aug 2019 07:35:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3940228787; Mon, 5 Aug 2019 07:35:06 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D769528774 for ; Mon, 5 Aug 2019 07:35:05 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9856389C97; Mon, 5 Aug 2019 07:34:47 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pg1-x541.google.com (mail-pg1-x541.google.com [IPv6:2607:f8b0:4864:20::541]) by gabe.freedesktop.org (Postfix) with ESMTPS id 156D68946E; Sun, 4 Aug 2019 22:49:37 +0000 (UTC) Received: by mail-pg1-x541.google.com with SMTP id l21so38658155pgm.3; Sun, 04 Aug 2019 15:49:37 -0700 (PDT) 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=34zW6BJN89MycamN6XZc+aPi3iIpUXsyW4mngm2d11Q=; b=tF8mLNunwOLtOJr/OwQXvG25w24grsHK3bzmK5E+2xNf7XWh/xmcPmew8mYEKm+DnM dwrRrw38nKIkwyinZHzFgzrOj+v0Afx4Ty//V5fS/Gw7OQzenDPwgyJR2RmJdtnWbsNg L7owjcy8g+OwzNvCx8s1Q5w5uFy8zzoq7LboFkHMASHmtxZUNebf3Eu2H9yHR9g2ZddR 8vw0GJ51iaVsWEyHtQRAAw/gO3YKL3v3DF13TKm/+4M0eBA9td3iAHZAwe+Uix4yk73Y H7f9Ojj/cu6/vrdqD8tGvuqGQmT+Xkr9tBsoGIOTZ3vjNVSNaFDCdCBjQ0zz9vrTo/f5 A7zQ== X-Gm-Message-State: APjAAAWCg5FbHe+/I4hDm9VRAhwoNGRxK0FgVcF7Qho1J90RqQ9OMm5G j8uL7OW001WrF04qFCEhWtc= X-Google-Smtp-Source: APXvYqzZzuc1CJxZdFJgWU/FwmUoZ/p878RlqbCeEzJ5+atuTCZn+89D3JrxmbErf1XY9IXgA3NZ2A== X-Received: by 2002:a17:90a:f498:: with SMTP id bx24mr15350312pjb.91.1564958976783; Sun, 04 Aug 2019 15:49:36 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.35 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:36 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Subject: [PATCH v2 11/34] scif: convert put_page() to put_user_page*() Date: Sun, 4 Aug 2019 15:48:52 -0700 Message-Id: <20190804224915.28669-12-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 X-Mailman-Approved-At: Mon, 05 Aug 2019 07:34:45 +0000 X-Mailman-Original-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=34zW6BJN89MycamN6XZc+aPi3iIpUXsyW4mngm2d11Q=; b=Vl3ziFlsVP8d5c8y0YmW6fDZsGTWTBWfBuMUsCvUNMfO41hPRu5nz6knOx+9Exr4dm faLIZ6PGv5svewcMn6NrpUtC2sVsC+7jyMTiSPQOkMWSlMNBGkEc5Hzdhl1GLUQ+lU00 s8/u7LPhlwjUp5vP9Cq58ZxyRYaJggFlYisUFFtIS444ycMw8U/APZaIEYWga3Yussps tKIhHu6BLxxDR9A3QUeopRp/JQJFEZSB+ASswX2FluN7nR+bVi9w3B9Wm/JRet3KnCM9 BzOgVm6BdbLPf53jqaXQstPr6PLJxFbgM+ClIPWs4p2Wp5bWVtpTaVjy3ylfOWo6XjbI VLCQ== X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , Sudeep Dutt , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, Ashutosh Dixit , rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Joerg Roedel , Arnd Bergmann , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= , linux-rpi-kernel@lists.infradead.org, Zhen Lei , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Robin Murphy Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Sudeep Dutt Cc: Ashutosh Dixit Cc: Arnd Bergmann Cc: Joerg Roedel Cc: Robin Murphy Cc: Zhen Lei Signed-off-by: John Hubbard --- drivers/misc/mic/scif/scif_rma.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/drivers/misc/mic/scif/scif_rma.c b/drivers/misc/mic/scif/scif_rma.c index 01e27682ea30..d84ed9466920 100644 --- a/drivers/misc/mic/scif/scif_rma.c +++ b/drivers/misc/mic/scif/scif_rma.c @@ -113,13 +113,14 @@ static int scif_destroy_pinned_pages(struct scif_pinned_pages *pin) int writeable = pin->prot & SCIF_PROT_WRITE; int kernel = SCIF_MAP_KERNEL & pin->map_flags; - for (j = 0; j < pin->nr_pages; j++) { - if (pin->pages[j] && !kernel) { + if (kernel) { + for (j = 0; j < pin->nr_pages; j++) { if (writeable) - SetPageDirty(pin->pages[j]); + set_page_dirty_lock(pin->pages[j]); put_page(pin->pages[j]); } - } + } else + put_user_pages_dirty_lock(pin->pages, pin->nr_pages, writeable); scif_free(pin->pages, pin->nr_pages * sizeof(*pin->pages)); @@ -1385,11 +1386,9 @@ int __scif_pin_pages(void *addr, size_t len, int *out_prot, if (ulimit) __scif_dec_pinned_vm_lock(mm, nr_pages); /* Roll back any pinned pages */ - for (i = 0; i < pinned_pages->nr_pages; i++) { - if (pinned_pages->pages[i]) - put_page( - pinned_pages->pages[i]); - } + put_user_pages(pinned_pages->pages, + pinned_pages->nr_pages); + prot &= ~SCIF_PROT_WRITE; try_upgrade = false; goto retry;