From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: [PATCH 10/12] ide: remove the PCI_DMA_BUS_IS_PHYS check Date: Mon, 16 Apr 2018 10:50:30 +0200 Message-ID: <20180416085032.7367-11-hch@lst.de> References: <20180416085032.7367-1-hch@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-ide-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Return-path: In-Reply-To: <20180416085032.7367-1-hch-jcswGhMUV9g@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org List-Id: netdev.vger.kernel.org We now have ways to deal with drainage in the block layer, and libata has been using it for ages. We also want to get rid of PCI_DMA_BUS_IS_PHYS now, so just reduce the PCI transfer size for ide - anyone who cares for performance on PCI controllers should have switched to libata long ago. Signed-off-by: Christoph Hellwig --- drivers/ide/ide-probe.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 8d8ed036ca0a..56d7bc228cb3 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -796,8 +796,7 @@ static int ide_init_queue(ide_drive_t *drive) * This will be fixed once we teach pci_map_sg() about our boundary * requirements, hopefully soon. *FIXME* */ - if (!PCI_DMA_BUS_IS_PHYS) - max_sg_entries >>= 1; + max_sg_entries >>= 1; #endif /* CONFIG_PCI */ blk_queue_max_segments(q, max_sg_entries); -- 2.17.0