From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754472AbeDPIvh (ORCPT ); Mon, 16 Apr 2018 04:51:37 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:44854 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754408AbeDPIvc (ORCPT ); Mon, 16 Apr 2018 04:51:32 -0400 From: Christoph Hellwig To: iommu@lists.linux-foundation.org, linux-arch@vger.kernel.org, linux-block@vger.kernel.org, linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org, netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org 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> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180416085032.7367-1-hch@lst.de> References: <20180416085032.7367-1-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@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