linux-kernel - Re: use generic dma-direct and swiotlb code for x86 V3

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Date:   Wed, 21 Mar 2018 10:32:09 -0400
From:   Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:     Christoph Hellwig <hch@....de>
Cc:     Konrad Rzeszutek Wilk <konrad@...nok.org>,
        Ingo Molnar <mingo@...nel.org>,
        Tom Lendacky <thomas.lendacky@....com>, x86@...nel.org,
        linux-kernel@...r.kernel.org, Muli Ben-Yehuda <mulix@...ix.org>,
        iommu@...ts.linux-foundation.org,
        David Woodhouse <dwmw2@...radead.org>
Subject: Re: use generic dma-direct and swiotlb code for x86 V3

On Tue, Mar 20, 2018 at 04:16:00PM +0100, Christoph Hellwig wrote:
> On Tue, Mar 20, 2018 at 11:25:21AM +0000, Konrad Rzeszutek Wilk wrote:
> > Are you testing with swiotlb=force?
> 
> I've done swiotlb=force testing with earlier versions, and otherwise
> relied on a VM with more the 4gb of memory and emulated devices
> without 64-bit capability.

Awesome! I also did my testing so all good. Ingo, if you want to
you can add 'Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>'
on the patches that don't have my tag.

Christoph, thank you for cleaning up this swamp!