From: Christoph Hellwig Date: Wed, 9 May 2018 13:59:42 +0000 (+0200) Subject: mtip32xx: don't use block layer bounce buffers X-Git-Tag: Ubuntu-5.0.0-8.9~2378^2~123 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=5c26e05039cce3e73c9ffa7290c7f181b851e0df;p=mirror_ubuntu-disco-kernel.git mtip32xx: don't use block layer bounce buffers mtip32xx just sets the block bounce limit to the dma mask, which means that the iommu or swiotlb already take care of the bounce buffering, and the block bouncing can be removed. Reviewed-by: Johannes Thumshirn Signed-off-by: Christoph Hellwig Signed-off-by: Jens Axboe --- diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index 06257b872a7d..6df5b0b1517a 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -3862,7 +3862,6 @@ 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); /* Signal trim support */ if (dd->trim_supp == true) {