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From: Ralph Campbell <rcampbell@nvidia.com>
To: "Christoph Hellwig" <hch@lst.de>,
	"Jérôme Glisse" <jglisse@redhat.com>,
	"Jason Gunthorpe" <jgg@mellanox.com>,
	"Ben Skeggs" <bskeggs@redhat.com>
Cc: <linux-mm@kvack.org>, <nouveau@lists.freedesktop.org>,
	<dri-devel@lists.freedesktop.org>, <linux-kernel@vger.kernel.org>
Subject: Re: hmm_range_fault related fixes and legacy API removal v2
Date: Mon, 22 Jul 2019 18:11:04 -0700	[thread overview]
Message-ID: <7e1f33d4-4d3b-7927-38d1-b98b22ed4d78@nvidia.com> (raw)
In-Reply-To: <20190722094426.18563-1-hch@lst.de>


On 7/22/19 2:44 AM, Christoph Hellwig wrote:
> Hi Jérôme, Ben and Jason,
> 
> below is a series against the hmm tree which fixes up the mmap_sem
> locking in nouveau and while at it also removes leftover legacy HMM APIs
> only used by nouveau.
> 
> The first 4 patches are a bug fix for nouveau, which I suspect should
> go into this merge window even if the code is marked as staging, just
> to avoid people copying the breakage.
> 
> Changes since v1:
>   - don't return the valid state from hmm_range_unregister
>   - additional nouveau cleanups
> 

I ran some OpenCL tests from Jerome with nouveau and this series,
5.3.0-rc1, and my two HMM fixes:
("mm/hmm: fix ZONE_DEVICE anon page mapping reuse")
("mm/hmm: Fix bad subpage pointer in try_to_unmap_one")

You can add for the series:
Tested-by: Ralph Campbell <rcampbell@nvidia.com>


  parent reply	other threads:[~2019-07-23  1:11 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-22  9:44 hmm_range_fault related fixes and legacy API removal v2 Christoph Hellwig
2019-07-22  9:44 ` [PATCH 1/6] mm: always return EBUSY for invalid ranges in hmm_range_{fault,snapshot} Christoph Hellwig
2019-07-22 14:37   ` Souptick Joarder
2019-07-23 14:54     ` Jason Gunthorpe
2019-07-23 16:19       ` Christoph Hellwig
2019-07-23 17:18         ` Jason Gunthorpe
2019-07-22  9:44 ` [PATCH 2/6] mm: move hmm_vma_range_done and hmm_vma_fault to nouveau Christoph Hellwig
2019-07-23 14:55   ` Jason Gunthorpe
2019-07-22  9:44 ` [PATCH 3/6] nouveau: remove the block parameter to nouveau_range_fault Christoph Hellwig
2019-07-23 14:56   ` Jason Gunthorpe
2019-07-23 16:23     ` Christoph Hellwig
2019-07-22  9:44 ` [PATCH 4/6] nouveau: unlock mmap_sem on all errors from nouveau_range_fault Christoph Hellwig
2019-07-23 15:18   ` Jason Gunthorpe
2019-07-23 16:30     ` Christoph Hellwig
2019-07-23 17:17       ` Jason Gunthorpe
2019-07-23 17:23         ` Christoph Hellwig
2019-07-23 17:30           ` Jason Gunthorpe
2019-07-22  9:44 ` [PATCH 5/6] nouveau: return -EBUSY when hmm_range_wait_until_valid fails Christoph Hellwig
2019-07-23 15:18   ` Jason Gunthorpe
2019-07-22  9:44 ` [PATCH 6/6] mm: remove the legacy hmm_pfn_* APIs Christoph Hellwig
2019-07-23  1:11 ` Ralph Campbell [this message]
2019-07-23 15:20   ` hmm_range_fault related fixes and legacy API removal v2 Jason Gunthorpe
2019-07-23 15:27 ` Jason Gunthorpe
2019-07-23 16:32   ` Christoph Hellwig
  -- strict thread matches above, loose matches on Subject: below --
2019-07-03 22:02 Christoph Hellwig
2019-07-04 16:42 ` Jason Gunthorpe
2019-07-08 17:30   ` Ralph Campbell
2019-07-08 17:32     ` Jason Gunthorpe
2019-07-05 12:33 ` Jason Gunthorpe
2019-07-09 14:30   ` Christoph Hellwig
2019-07-09 19:33     ` Jason Gunthorpe

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