From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH] swiotlb: Suppress "Out of SW-IOMMU" errors for NO_WARN
Date: Wed, 2 May 2018 14:44:02 +0200
Message-ID: <20180502124402.GC22857@lst.de>
References: <20180502100501.28440-1-chris@chris-wilson.co.uk>
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To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, Christian =?iso-8859-1?Q?K=F6nig?= <christian.koenig@amd.com>, Mike Galbraith <efault@gmx.de>, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>, Christoph Hellwig <hch@lst.de>
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On Wed, May 02, 2018 at 11:05:01AM +0100, Chris Wilson wrote:
> This extends the warning suppression from commit d0bc0c2a31c9 ("swiotlb:
> suppress warning when __GFP_NOWARN is set") to suppress the warnings
> when DMA_ATTR_NO_WARN is given by caller. In such cases the caller wants
> to handle the error themselves.

I have patches that remove swiotlb_full entirely to be posted soon.
I'll defer the patch for now.