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From: Lu Baolu <baolu.lu@linux.intel.com>
To: Logan Gunthorpe <logang@deltatee.com>,
	Joerg Roedel <joro@8bytes.org>, Tom Murphy <murphyt7@tcd.ie>,
	David Woodhouse <dwmw2@infradead.org>,
	Christoph Hellwig <hch@infradead.org>
Cc: linux-kernel@vger.kernel.org, Intel-gfx@lists.freedesktop.org,
	Ashok Raj <ashok.raj@intel.com>,
	iommu@lists.linux-foundation.org
Subject: Re: [Intel-gfx] [PATCH v3 0/6] Convert the intel iommu driver to the dma-iommu api
Date: Sun, 20 Sep 2020 14:36:46 +0800	[thread overview]
Message-ID: <fe94760f-3c10-4222-ec87-291c01325fef@linux.intel.com> (raw)
In-Reply-To: <776771a2-247a-d1be-d882-bee02d919ae0@deltatee.com>

Hi Logan,

On 2020/9/19 4:47, Logan Gunthorpe wrote:
> Hi Lu,
> 
> On 2020-09-11 9:21 p.m., Lu Baolu wrote:
>> Tom Murphy has almost done all the work. His latest patch series was
>> posted here.
>>
>> https://lore.kernel.org/linux-iommu/20200903201839.7327-1-murphyt7@tcd.ie/
>>
>> Thanks a lot!
>>
>> This series is a follow-up with below changes:
>>
>> 1. Add a quirk for the i915 driver issue described in Tom's cover
>> letter.
>> 2. Fix several bugs in patch "iommu: Allow the dma-iommu api to use
>> bounce buffers" to make the bounce buffer work for untrusted devices.
>> 3. Several cleanups in iommu/vt-d driver after the conversion.
>>
> 
> I'm trying to test this on an old Sandy Bridge, but found that I get
> spammed with warnings on boot. I've put a sample of a few of them below.
> They all seem to be related to ioat.
> 
> I had the same issue with Tom's v2 but never saw this on his v1.

Have you verified whether this could be reproduced with the lasted
upstream kernel (without this patch series)?

Best regards,
baolu
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  reply	other threads:[~2020-09-20  6:36 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-12  3:21 [PATCH v3 0/6] Convert the intel iommu driver to the dma-iommu api Lu Baolu
2020-09-12  3:21 ` [PATCH v3 1/6] iommu: Handle freelists when using deferred flushing in iommu drivers Lu Baolu
2020-09-12  3:21 ` [PATCH v3 2/6] iommu: Add iommu_dma_free_cpu_cached_iovas() Lu Baolu
2020-09-12  3:21 ` [PATCH v3 3/6] iommu: Allow the dma-iommu api to use bounce buffers Lu Baolu
2020-09-12  3:21 ` [PATCH v3 4/6] iommu: Add quirk for Intel graphic devices in map_sg Lu Baolu
2020-09-12  3:21 ` [PATCH v3 5/6] iommu/vt-d: Convert intel iommu driver to the iommu ops Lu Baolu
2020-09-12  3:22 ` [PATCH v3 6/6] iommu/vt-d: Cleanup after converting to dma-iommu ops Lu Baolu
2020-09-14  8:04 ` [PATCH v3 0/6] Convert the intel iommu driver to the dma-iommu api Tvrtko Ursulin
2020-09-15  1:47   ` Lu Baolu
2020-09-15  8:31     ` Tvrtko Ursulin
2020-09-22 11:05       ` Robin Murphy
2020-09-23  5:38         ` Lu Baolu
2020-09-24  2:35       ` Lu Baolu
2020-09-18 20:47 ` [Intel-gfx] " Logan Gunthorpe
2020-09-20  6:36   ` Lu Baolu [this message]
2020-09-21 15:48     ` Logan Gunthorpe
2020-09-22  0:24       ` Lu Baolu
2020-09-22 15:38         ` Logan Gunthorpe
2020-09-22  9:51   ` Robin Murphy
2020-09-22 18:45     ` Logan Gunthorpe

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