Re: [PATCH v5 4/6] s390/pci: add support for generic boot option iommu.dma_mode

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To: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
Subject: Re: [PATCH v5 4/6] s390/pci: add support for generic boot option iommu.dma_mode
From: Sebastian Ott <sebott@xxxxxxxxxxxxx>
Date: Wed, 10 Apr 2019 13:46:48 +0200 (CEST)
Cc: Jean-Philippe Brucker <jean-philippe.brucker@xxxxxxx>, John Garry <john.garry@xxxxxxxxxx>, Robin Murphy <robin.murphy@xxxxxxx>, Will Deacon <will.deacon@xxxxxxx>, Joerg Roedel <joro@xxxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, linux-doc <linux-doc@xxxxxxxxxxxxxxx>, Gerald Schaefer <gerald.schaefer@xxxxxxxxxx>, Martin Schwidefsky <schwidefsky@xxxxxxxxxx>, Heiko Carstens <heiko.carstens@xxxxxxxxxx>, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, Fenghua Yu <fenghua.yu@xxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, "H . Peter Anvin" <hpa@xxxxxxxxx>, David Woodhouse <dwmw2@xxxxxxxxxxxxx>, iommu <iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx>, linux-kernel <linux-kernel@xxxxxxxxxxxxxxx>, linux-s390 <linux-s390@xxxxxxxxxxxxxxx>, linuxppc-dev <linuxppc-dev@xxxxxxxxxxxxxxxx>, x86 <x86@xxxxxxxxxx>, linux-ia64 <linux-ia64@xxxxxxxxxxxxxxx>, Hanjun Guo <guohanjun@xxxxxxxxxx>
In-reply-to: <20190409125308.18304-5-thunder.leizhen@huawei.com>
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References: <20190409125308.18304-1-thunder.leizhen@huawei.com> <20190409125308.18304-5-thunder.leizhen@huawei.com>
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On Tue, 9 Apr 2019, Zhen Lei wrote:
> s390_iommu=strict is equivalent to iommu.dma_mode=strict.
> 
> Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx>

Acked-by: Sebastian Ott <sebott@xxxxxxxxxxxxx>

References:
- [PATCH v5 0/6] add generic boot option for IOMMU dma mode
  - From: Zhen Lei
- [PATCH v5 4/6] s390/pci: add support for generic boot option iommu.dma_mode
  - From: Zhen Lei

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