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From: Christoph Hellwig <hch@lst.de>
Subject: centralize SWIOTLB config symbol and misc other cleanups V3
Date: Wed, 25 Apr 2018 07:15:26 +0200
Message-Id: <20180425051539.1989-1-hch@lst.de>
Sender: owner-linux-mm@kvack.org
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To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>, iommu@lists.linux-foundation.org
Cc: sstabellini@kernel.org, x86@kernel.org, linux-pci@vger.kernel.org, linux-mm@kvack.org, linux-mips@linux-mips.org, sparclinux@vger.kernel.org, linux-arm-kernel@lists.infradead.org

Hi all,

this seris aims for a single defintion of the Kconfig symbol.  To get
there various cleanups, mostly about config symbols are included as well.

Changes since V2:
 - swiotlb doesn't need the dma_length field by itself, so don't select it
 - don't offer a user visible SWIOTLB choice

Chages since V1:
 - fixed a incorrect Reviewed-by that should be a Signed-off-by.