From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Felipe Franciosi , Jens Axboe Subject: [PATCH 3.10 76/86] mtip32xx: Set queue bounce limit Date: Sun, 4 May 2014 11:41:51 -0400 Message-Id: <20140504154150.778609839@linuxfoundation.org> In-Reply-To: <20140504154140.444932005@linuxfoundation.org> References: <20140504154140.444932005@linuxfoundation.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.10-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: Greg Kroah-Hartman --- drivers/block/mtip32xx/mtip32xx.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -4040,6 +4040,7 @@ 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