From mboxrd@z Thu Jan  1 00:00:00 1970
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Subject: Re: [PATCH v7 1/1] iommu: enhance IOMMU dma mode build options
References: <20190520135947.14960-1-thunder.leizhen@huawei.com>
 <20190520135947.14960-2-thunder.leizhen@huawei.com>
 <20190527142140.GH8420@8bytes.org>
From: "Leizhen (ThunderTown)" <thunder.leizhen@huawei.com>
Message-ID: <5CED322E.20102@huawei.com>
Date: Tue, 28 May 2019 21:05:50 +0800
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To: Joerg Roedel <joro@8bytes.org>
Cc: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>, John Garry <john.garry@huawei.com>, Robin Murphy <robin.murphy@arm.com>, Will Deacon <will.deacon@arm.com>, Jonathan Corbet <corbet@lwn.net>, linux-doc <linux-doc@vger.kernel.org>, Sebastian Ott <sebott@linux.ibm.com>, Gerald Schaefer <gerald.schaefer@de.ibm.com>, Martin Schwidefsky <schwidefsky@de.ibm.com>, Heiko Carstens <heiko.carstens@de.ibm.com>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Paul Mackerras <paulus@samba.org>, Michael Ellerman <mpe@ellerman.id.au>, Tony Luck <tony.luck@intel.com>, Fenghua Yu <fenghua.yu@intel.com>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>, "H . Peter Anvin" <hpa@zytor.com>, David Woodhouse <dwmw2@infradead.org>, iommu <iommu@lists.linux-foundation.org>, linux-kernel <linux-kernel@vger.kernel.org>, linux-s390 <linux-s390@vger.kernel.org>, linuxppc-dev <linuxppc-dev@lists.ozlabs.org>, x86 <x86@kernel.org>, linux-ia64 <linux-ia64@vger.kernel.org>, Hanjun Guo <guohanjun@huawei.com>
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On 2019/5/27 22:21, Joerg Roedel wrote:
> Hi Zhen Lei,
> 
> On Mon, May 20, 2019 at 09:59:47PM +0800, Zhen Lei wrote:
>>  arch/ia64/kernel/pci-dma.c                |  2 +-
>>  arch/powerpc/platforms/powernv/pci-ioda.c |  3 ++-
>>  arch/s390/pci/pci_dma.c                   |  2 +-
>>  arch/x86/kernel/pci-dma.c                 |  7 ++---
>>  drivers/iommu/Kconfig                     | 44 ++++++++++++++++++++++++++-----
>>  drivers/iommu/amd_iommu_init.c            |  3 ++-
>>  drivers/iommu/intel-iommu.c               |  2 +-
>>  drivers/iommu/iommu.c                     |  3 ++-
>>  8 files changed, 48 insertions(+), 18 deletions(-)
> 
> This needs Acks from the arch maintainers of ia64, powerpc, s390 and
> x86, at least.
> 
> It is easier for them if you split it up into the Kconfig change and
> separete patches per arch and per iommu driver. Then collect the Acks on
> the individual patches.

OK, thanks. I will do it tomorrow.

> 
> Thanks,
> 
> 	Joerg
> 
> .
> 

-- 
Thanks!
BestRegards