Re: [PATCH 2/3] DMA mapping: Move SME handling to x86-specific files

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To: Thiago Jung Bauermann <bauerman@xxxxxxxxxxxxx>
Subject: Re: [PATCH 2/3] DMA mapping: Move SME handling to x86-specific files
From: Christoph Hellwig <hch@xxxxxx>
Date: Fri, 12 Jul 2019 09:13:28 +0200
Cc: x86@xxxxxxxxxx, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>, Robin Murphy <robin.murphy@xxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Alexey Dobriyan <adobriyan@xxxxxxxxx>, Halil Pasic <pasic@xxxxxxxxxxxxx>, Mike Anderson <andmike@xxxxxxxxxxxxx>, Ram Pai <linuxram@xxxxxxxxxx>
In-reply-to: <20190712053631.9814-3-bauerman@linux.ibm.com>
References: <20190712053631.9814-1-bauerman@linux.ibm.com> <20190712053631.9814-3-bauerman@linux.ibm.com>
User-agent: Mutt/1.5.17 (2007-11-01)

Honestly I think this code should go away without any replacement.
There is no reason why we should have a special debug printk just
for one specific reason why there is a requirement for a large DMA
mask.

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References:
- [PATCH 0/3] Remove x86-specific code from generic headers
  - From: Thiago Jung Bauermann
- [PATCH 2/3] DMA mapping: Move SME handling to x86-specific files
  - From: Thiago Jung Bauermann

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