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From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: "Ed L. Cashin" <ed.cashin@acm.org>,
	Geoff Levand <geoff@infradead.org>,
	Maxim Levitsky <maximlevitsky@gmail.com>,
	linux-block@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	linux-mtd@lists.infradead.org, sparclinux@vger.kernel.org
Subject: [PATCH 1/7] mtip32xx: don't use block layer bounce buffers
Date: Wed,  9 May 2018 15:59:42 +0200	[thread overview]
Message-ID: <20180509135948.20329-2-hch@lst.de> (raw)
In-Reply-To: <20180509135948.20329-1-hch@lst.de>

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.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/block/mtip32xx/mtip32xx.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index 769c551e3d71..b03bb27dcc58 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -3862,7 +3862,6 @@ static int mtip_block_initialize(struct driver_data *dd)
 	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) {
-- 
2.17.0

WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: "Ed L. Cashin" <ed.cashin@acm.org>,
	Geoff Levand <geoff@infradead.org>,
	Maxim Levitsky <maximlevitsky@gmail.com>,
	linux-block@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	linux-mtd@lists.infradead.org, sparclinux@vger.kernel.org
Subject: [PATCH 1/7] mtip32xx: don't use block layer bounce buffers
Date: Wed, 09 May 2018 13:59:42 +0000	[thread overview]
Message-ID: <20180509135948.20329-2-hch@lst.de> (raw)
In-Reply-To: <20180509135948.20329-1-hch@lst.de>

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.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/block/mtip32xx/mtip32xx.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index 769c551e3d71..b03bb27dcc58 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -3862,7 +3862,6 @@ static int mtip_block_initialize(struct driver_data *dd)
 	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) {
-- 
2.17.0


  reply	other threads:[~2018-05-09 13:59 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-09 13:59 make a few block drivers highmem safe Christoph Hellwig
2018-05-09 13:59 ` Christoph Hellwig
2018-05-09 13:59 ` Christoph Hellwig [this message]
2018-05-09 13:59   ` [PATCH 1/7] mtip32xx: don't use block layer bounce buffers Christoph Hellwig
2018-05-09 15:17   ` Johannes Thumshirn
2018-05-09 15:17     ` Johannes Thumshirn
2018-05-09 15:17     ` Johannes Thumshirn
2018-05-09 13:59 ` [PATCH 2/7] DAC960: " Christoph Hellwig
2018-05-09 13:59   ` Christoph Hellwig
2018-05-09 15:17   ` Johannes Thumshirn
2018-05-09 15:17     ` Johannes Thumshirn
2018-05-09 15:17     ` Johannes Thumshirn
2018-05-09 13:59 ` [PATCH 3/7] memstick: don't call blk_queue_bounce_limit Christoph Hellwig
2018-05-09 13:59   ` Christoph Hellwig
2018-05-09 13:59 ` [PATCH 4/7] mtd_blkdevs: handle highmem pages Christoph Hellwig
2018-05-09 13:59   ` Christoph Hellwig
2018-05-09 13:59 ` [PATCH 5/7] aoe: " Christoph Hellwig
2018-05-09 13:59   ` Christoph Hellwig
2018-05-09 13:59 ` [PATCH 6/7] jsflash: " Christoph Hellwig
2018-05-09 13:59   ` Christoph Hellwig
2018-05-09 13:59 ` [PATCH 7/7] ps3disk: " Christoph Hellwig
2018-05-09 13:59   ` Christoph Hellwig
2018-05-09 16:26 ` make a few block drivers highmem safe Jens Axboe
2018-05-09 16:26   ` Jens Axboe
2018-05-11 21:08 ` Jens Axboe
2018-05-11 21:08   ` Jens Axboe

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