From patchwork Thu Nov 7 02:18:12 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Williams X-Patchwork-Id: 3150551 X-Patchwork-Delegate: dan.j.williams@gmail.com Return-Path: X-Original-To: patchwork-dmaengine@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 64AC99F3C4 for ; Thu, 7 Nov 2013 02:18:15 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id AC461205AD for ; Thu, 7 Nov 2013 02:18:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DF7772058E for ; Thu, 7 Nov 2013 02:18:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753453Ab3KGCSN (ORCPT ); Wed, 6 Nov 2013 21:18:13 -0500 Received: from mga01.intel.com ([192.55.52.88]:22276 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753068Ab3KGCSN (ORCPT ); Wed, 6 Nov 2013 21:18:13 -0500 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP; 06 Nov 2013 18:18:12 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.93,648,1378882800"; d="scan'208";a="429148015" Received: from viggo.jf.intel.com ([10.23.232.61]) by fmsmga002.fm.intel.com with ESMTP; 06 Nov 2013 18:18:12 -0800 Subject: [PATCH 06/10] dmatest: use pseudo random numbers From: Dan Williams To: dmaengine@vger.kernel.org Cc: vinod.koul@intel.com, andriy.shevchenko@linux.intel.com Date: Wed, 06 Nov 2013 18:18:12 -0800 Message-ID: <20131107021812.15120.11863.stgit@viggo.jf.intel.com> In-Reply-To: <20131107021504.15120.47531.stgit@viggo.jf.intel.com> References: <20131107021504.15120.47531.stgit@viggo.jf.intel.com> User-Agent: StGit/0.17-1-g7c57 MIME-Version: 1.0 Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP There is no need for dmatest to drain the entropy pool. It would be nice to one day have repeatable runs, but would need a larger rework to synchronize and order calls to the rng across test threads. Signed-off-by: Dan Williams Acked-by: Andy Shevchenko --- drivers/dma/dmatest.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index ea829659149a..01ac7112b5fd 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -176,7 +176,7 @@ static unsigned long dmatest_random(void) { unsigned long buf; - get_random_bytes(&buf, sizeof(buf)); + prandom_bytes(&buf, sizeof(buf)); return buf; }