From: "Kuehling, Felix" <Felix.Kuehling@amd.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: "jglisse@redhat.com" <jglisse@redhat.com>,
"Deucher, Alexander" <Alexander.Deucher@amd.com>,
"airlied@gmail.com" <airlied@gmail.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
"amd-gfx@lists.freedesktop.org" <amd-gfx@lists.freedesktop.org>,
"Yang, Philip" <Philip.Yang@amd.com>
Subject: Re: [PATCH 1/2] mm/hmm: support automatic NUMA balancing
Date: Tue, 14 May 2019 21:14:42 +0000 [thread overview]
Message-ID: <180dbdaf-3ca4-07be-b549-08757e2ef105@amd.com> (raw)
In-Reply-To: <20190513142720.3334a98cbabaae67b4ffbb5a@linux-foundation.org>
On 2019-05-13 5:27 p.m., Andrew Morton wrote:
> [CAUTION: External Email]
>
> 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. Thanks!
next prev parent reply other threads:[~2019-05-14 21:14 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
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
2019-05-13 22:37 ` Jerome Glisse
2019-05-14 21:14 ` Kuehling, Felix [this message]
2019-05-10 19:53 ` [PATCH 2/2] mm/hmm: Only set FAULT_FLAG_ALLOW_RETRY for non-blocking Kuehling, Felix
2019-05-10 20:14 ` Jerome Glisse
2019-05-13 19:36 ` Kuehling, Felix
2019-05-13 19:49 ` Jerome Glisse
2019-05-13 20:31 ` Kuehling, Felix
2019-05-13 20:21 ` Deucher, Alexander
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
2019-06-06 19:04 ` Kuehling, Felix
2019-06-06 19:20 ` Jason Gunthorpe
2019-06-06 19:16 ` Kuehling, Felix
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