From patchwork Fri May 2 15:37:15 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kamal Mostafa X-Patchwork-Id: 345096 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) by ozlabs.org (Postfix) with ESMTP id 4454A140106; Sat, 3 May 2014 01:44:31 +1000 (EST) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.76) (envelope-from ) id 1WgFdU-0006fI-7Z; Fri, 02 May 2014 15:44:28 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by huckleberry.canonical.com with esmtp (Exim 4.76) (envelope-from ) id 1WgFdK-0006Xw-3q for kernel-team@lists.ubuntu.com; Fri, 02 May 2014 15:44:18 +0000 Received: from c-67-160-228-185.hsd1.ca.comcast.net ([67.160.228.185] helo=fourier) by youngberry.canonical.com with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1WgFYS-0006U5-KT; Fri, 02 May 2014 15:39:16 +0000 Received: from kamal by fourier with local (Exim 4.82) (envelope-from ) id 1WgFYQ-0001Hz-Nt; Fri, 02 May 2014 08:39:14 -0700 From: Kamal Mostafa To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Subject: [PATCH 3.13 047/151] mtip32xx: Set queue bounce limit Date: Fri, 2 May 2014 08:37:15 -0700 Message-Id: <1399045139-4531-48-git-send-email-kamal@canonical.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1399045139-4531-1-git-send-email-kamal@canonical.com> References: <1399045139-4531-1-git-send-email-kamal@canonical.com> X-Extended-Stable: 3.13 Cc: Jens Axboe , Kamal Mostafa , Felipe Franciosi X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.14 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: kernel-team-bounces@lists.ubuntu.com 3.13.11.1 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Felipe Franciosi commit 1044b1bb9278f2e656a1a7b63dc24a59506540aa upstream. We need to set the queue bounce limit during the device initialization to prevent excessive bouncing on 32 bit architectures. Signed-off-by: Felipe Franciosi Signed-off-by: Jens Axboe Signed-off-by: Kamal Mostafa --- drivers/block/mtip32xx/mtip32xx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index 050c712..2730722 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -4145,6 +4145,7 @@ skip_create_disk: blk_queue_max_hw_sectors(dd->queue, 0xffff); blk_queue_max_segment_size(dd->queue, 0x400000); blk_queue_io_min(dd->queue, 4096); + blk_queue_bounce_limit(dd->queue, dd->pdev->dma_mask); /* * write back cache is not supported in the device. FUA depends on