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From: Robin Murphy <robin.murphy@arm.com>
To: Joerg Roedel <joro@8bytes.org>
Cc: Poonam Aggrwal <poonam.aggrwal@nxp.com>,
	robh@kernel.org, Joerg Roedel <jroedel@suse.de>,
	Arnd Bergmann <arnd@arndb.de>,
	Richard Weinberger <richard@nod.at>,
	Naresh Kamboju <naresh.kamboju@linaro.org>,
	open list <linux-kernel@vger.kernel.org>,
	lkft-triage@lists.linaro.org,
	"open list:IOMMU DRIVERS" <iommu@lists.linux-foundation.org>,
	Linux-Next Mailing List <linux-next@vger.kernel.org>,
	linux-mtd@lists.infradead.org,
	Miquel Raynal <miquel.raynal@bootlin.com>,
	Suram Suram <suram@nxp.com>,
	masonccyang@mxic.com.tw, Will Deacon <will@kernel.org>,
	Zhiqiang.Hou@nxp.com
Subject: Re: arm-smmu 5000000.iommu: Cannot accommodate DMA offset for IOMMU page tables
Date: Thu, 24 Sep 2020 10:36:47 +0100
Message-ID: <e2186418-d4d6-e1f4-5eb4-3bfafb5cebb2@arm.com> (raw)
In-Reply-To: <20200924092546.GJ27174@8bytes.org>

On 2020-09-24 10:25, Joerg Roedel wrote:
> Hi Robin,
> 
> On Thu, Sep 24, 2020 at 10:08:46AM +0100, Robin Murphy wrote:
>> This should be fixed by https://lore.kernel.org/linux-iommu/daedc9364a19dc07487e4d07b8768b1e5934abd4.1600700881.git.robin.murphy@arm.com/T/#u
>> (already in linux-next).
> 
> Thanks! The question remains why this goes through the dma-mapping tree,
> was it caused by a patch there?

Yes, the issue was introduced by one of the changes in "dma-mapping: 
introduce DMA range map, supplanting dma_pfn_offset", so it only existed 
in the dma-mapping/for-next branch anyway.

Robin.

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Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-21 13:20 Naresh Kamboju
2020-09-21 14:51 ` Robin Murphy
2020-09-24  9:03 ` Joerg Roedel
2020-09-24  9:08   ` Robin Murphy
2020-09-24  9:25     ` Joerg Roedel
2020-09-24  9:36       ` Robin Murphy [this message]
2020-09-24  9:56         ` Joerg Roedel
2020-10-09 13:54           ` Naresh Kamboju
2020-10-09 13:56             ` Naresh Kamboju
2020-10-10 18:53               ` Stephen Rothwell
2020-10-11 20:36                 ` Jim Quinlan
2020-10-11 21:59                   ` Florian Fainelli
2020-10-14 12:28                     ` Fabio Estevam
2020-10-14 12:58                       ` Miquel Raynal
2020-10-15  7:48                 ` Christoph Hellwig
2020-10-15 18:17                   ` Florian Fainelli

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