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From: Jerome Glisse <jglisse-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Andrew Morton <akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
Cc: "Yang, Philip" <Philip.Yang-5C7GfCeVMHo@public.gmane.org>,
	"alex.deucher-5C7GfCeVMHo@public.gmane.org"
	<alex.deucher-5C7GfCeVMHo@public.gmane.org>,
	"Kuehling, Felix" <Felix.Kuehling-5C7GfCeVMHo@public.gmane.org>,
	"amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org"
	<amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>,
	"linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org"
	<linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org>,
	"dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org"
	<dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>,
	"airlied-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org"
	<airlied-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH 1/2] mm/hmm: support automatic NUMA balancing
Date: Mon, 13 May 2019 18:37:01 -0400	[thread overview]
Message-ID: <20190513223700.GA673@redhat.com> (raw)
In-Reply-To: <20190513142720.3334a98cbabaae67b4ffbb5a-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>

On Mon, May 13, 2019 at 02:27:20PM -0700, Andrew Morton wrote:
> On Fri, 10 May 2019 19:53:23 +0000 "Kuehling, Felix" <Felix.Kuehling@amd.com> wrote:
> 
> > From: Philip Yang <Philip.Yang@amd.com>
> > 
> > While the page is migrating by NUMA balancing, HMM failed to detect this
> > condition and still return the old page. Application will use the new
> > page migrated, but driver pass the old page physical address to GPU,
> > this crash the application later.
> > 
> > Use pte_protnone(pte) to return this condition and then hmm_vma_do_fault
> > will allocate new page.
> > 
> > Signed-off-by: Philip Yang <Philip.Yang@amd.com>
> 
> This should have included your signed-off-by:, since you were on the
> patch delivery path.  I'll make that change to my copy of the patch,
> OK?

Yes it should have included that.
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  parent reply	other threads:[~2019-05-13 22:37 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-10 19:53 [PATCH 0/2] Two bug-fixes for HMM Kuehling, Felix
     [not found] ` <20190510195258.9930-1-Felix.Kuehling-5C7GfCeVMHo@public.gmane.org>
2019-05-10 19:53   ` [PATCH 1/2] mm/hmm: support automatic NUMA balancing Kuehling, Felix
2019-05-10 20:13     ` Jerome Glisse
2019-05-13 21:27     ` Andrew Morton
     [not found]       ` <20190513142720.3334a98cbabaae67b4ffbb5a-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
2019-05-13 22:37         ` Jerome Glisse [this message]
2019-05-14 21:14         ` Kuehling, Felix
2019-05-10 19:53   ` [PATCH 2/2] mm/hmm: Only set FAULT_FLAG_ALLOW_RETRY for non-blocking Kuehling, Felix
     [not found]     ` <20190510195258.9930-3-Felix.Kuehling-5C7GfCeVMHo@public.gmane.org>
2019-05-10 20:14       ` Jerome Glisse
     [not found]         ` <20190510201403.GG4507-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2019-05-13 19:36           ` Kuehling, Felix
     [not found]             ` <65328381-aa0d-353d-68dc-81060e7cebdf-5C7GfCeVMHo@public.gmane.org>
2019-05-13 19:49               ` Jerome Glisse
     [not found]                 ` <20190513194925.GA31365-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2019-05-13 20:31                   ` Kuehling, Felix
2019-05-13 20:21             ` Deucher, Alexander
     [not found]               ` <BN6PR12MB1809F26E6AF74BE9F96DB22DF70F0-/b2+HYfkarSEx6ez0IUAagdYzm3356FpvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2019-05-14 21:12                 ` Kuehling, Felix
2019-05-14 21:58                   ` Alex Deucher
2019-06-06 15:11   ` [PATCH 0/2] Two bug-fixes for HMM Jason Gunthorpe
     [not found]     ` <20190606151149.GA5506-uk2M96/98Pc@public.gmane.org>
2019-06-06 19:04       ` Kuehling, Felix
     [not found]         ` <1d309300-41d8-eb31-38c2-c6c9dd5c0ba8-5C7GfCeVMHo@public.gmane.org>
2019-06-06 19:20           ` Jason Gunthorpe
2019-06-06 19:16       ` Kuehling, Felix

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