Re: [PATCH v2 09/11] dma-direct: turn ARCH_ZONE_DMA_BITS into a variable

Subject: Re: [PATCH v2 09/11] dma-direct: turn ARCH_ZONE_DMA_BITS into a variable
From: Christoph Hellwig <hch@xxxxxx>
Date: Mon, 26 Aug 2019 09:05:50 +0200
Cc: catalin.marinas@xxxxxxx, hch@xxxxxx, wahrenst@xxxxxxx, marc.zyngier@xxxxxxx, robh+dt@xxxxxxxxxx, Robin Murphy <robin.murphy@xxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, devicetree@xxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>, phill@xxxxxxxxxxxxxxxxxx, f.fainelli@xxxxxxxxx, will@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, eric@xxxxxxxxxx, mbrugger@xxxxxxxx, linux-rpi-kernel@xxxxxxxxxxxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, frowand.list@xxxxxxxxx, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Heiko Carstens <heiko.carstens@xxxxxxxxxx>, Vasily Gorbik <gor@xxxxxxxxxxxxx>, Christian Borntraeger <borntraeger@xxxxxxxxxx>, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx
In-reply-to: <20190820145821.27214-10-nsaenzjulienne@suse.de>
User-agent: Mutt/1.5.17 (2007-11-01)

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH v2 00/11] Raspberry Pi 4 DMA addressing support
  - From: Nicolas Saenz Julienne
- [PATCH v2 09/11] dma-direct: turn ARCH_ZONE_DMA_BITS into a variable
  - From: Nicolas Saenz Julienne