From: Jason Gunthorpe <jgg@ziepe.ca>
To: Christoph Hellwig <hch@lst.de>
Cc: amd-gfx@lists.freedesktop.org, nouveau@lists.freedesktop.org,
dri-devel@lists.freedesktop.org, kvm-ppc@vger.kernel.org,
"Bharata B Rao" <bharata@linux.ibm.com>,
linux-mm@kvack.org, "Jerome Glisse" <jglisse@redhat.com>,
"Ben Skeggs" <bskeggs@redhat.com>,
"Dan Williams" <dan.j.williams@intel.com>,
"Christian König" <christian.koenig@amd.com>
Subject: Re: ensure device private pages have an owner v2
Date: Thu, 19 Mar 2020 08:50:27 -0300 [thread overview]
Message-ID: <20200319115027.GI20941@ziepe.ca> (raw)
In-Reply-To: <20200319071633.GA32522@lst.de>
On Thu, Mar 19, 2020 at 08:16:33AM +0100, Christoph Hellwig wrote:
> On Wed, Mar 18, 2020 at 09:28:49PM -0300, Jason Gunthorpe wrote:
> > > Changes since v1:
> > > - split out the pgmap->owner addition into a separate patch
> > > - check pgmap->owner is set for device private mappings
> > > - rename the dev_private_owner field in struct migrate_vma to src_owner
> > > - refuse to migrate private pages if src_owner is not set
> > > - keep the non-fault device private handling in hmm_range_fault
> >
> > I'm happy enough to take this, did you have plans for a v3?
>
> I think the only open question is if merging 3 and 4 might make sense.
> It's up to you if you want it resent that way or not.
Now that I understand that amdgpu doesn't set the 'do not return
device_private pages' flag, I think the split is fine, I'll grab it as
is then today
Thanks,
Jason
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next prev parent reply other threads:[~2020-03-19 13:40 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-16 19:32 ensure device private pages have an owner v2 Christoph Hellwig
2020-03-16 19:32 ` [PATCH 1/4] memremap: add an owner field to struct dev_pagemap Christoph Hellwig
2020-03-16 20:55 ` Ralph Campbell
2020-03-16 19:32 ` [PATCH 2/4] mm: handle multiple owners of device private pages in migrate_vma Christoph Hellwig
2020-03-16 21:43 ` Ralph Campbell
2020-03-16 19:32 ` [PATCH 3/4] mm: simplify device private page handling in hmm_range_fault Christoph Hellwig
2020-03-16 19:59 ` Jason Gunthorpe
2020-03-16 21:33 ` Christoph Hellwig
2020-03-16 22:49 ` Ralph Campbell
2020-03-17 7:34 ` Christoph Hellwig
2020-03-17 22:43 ` Ralph Campbell
2020-03-18 9:34 ` Christoph Hellwig
2020-03-17 12:15 ` Jason Gunthorpe
2020-03-17 12:24 ` Christoph Hellwig
2020-03-17 12:28 ` Christoph Hellwig
2020-03-17 12:47 ` Jason Gunthorpe
2020-03-17 12:59 ` Christoph Hellwig
2020-03-17 17:32 ` Jason Gunthorpe
2020-03-17 23:14 ` Ralph Campbell
2020-03-19 18:17 ` Jason Gunthorpe
2020-03-19 22:56 ` Ralph Campbell
2020-03-20 0:03 ` Jason Gunthorpe
2020-03-21 8:20 ` Christoph Hellwig
2020-03-20 0:14 ` Jason Gunthorpe
2020-03-20 1:33 ` Ralph Campbell
2020-03-20 12:58 ` Jason Gunthorpe
2020-03-16 19:32 ` [PATCH 4/4] mm: check the device private page owner " Christoph Hellwig
2020-03-16 19:49 ` Jason Gunthorpe
2020-03-16 23:11 ` Ralph Campbell
2020-03-20 13:41 ` Jason Gunthorpe
2020-03-21 8:22 ` Christoph Hellwig
2020-03-21 12:38 ` Jason Gunthorpe
2020-03-21 15:18 ` Christoph Hellwig
2020-03-17 5:31 ` ensure device private pages have an owner v2 Bharata B Rao
2020-03-19 0:28 ` Jason Gunthorpe
2020-03-19 7:16 ` Christoph Hellwig
2020-03-19 11:50 ` Jason Gunthorpe [this message]
2020-03-19 18:50 ` Jason Gunthorpe
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