From: Oleksandr Andrushchenko <andr2000-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: "Jason Gunthorpe" <jgg-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
"Oleksandr Andrushchenko"
<Oleksandr_Andrushchenko-uRwfk40T5oI@public.gmane.org>,
"Jürgen Groß" <jgross-IBi9RG/b67k@public.gmane.org>,
"Boris Ostrovsky"
<boris.ostrovsky-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
Cc: Andrea Arcangeli
<aarcange-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Ralph Campbell
<rcampbell-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
Stefano Stabellini
<sstabellini-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
John Hubbard <jhubbard-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
"Felix.Kuehling-5C7GfCeVMHo@public.gmane.org"
<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>,
Jerome Glisse <jglisse-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org"
<dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>,
"xen-devel-GuqFBffKawtpuQazS67q72D2FQJk+8+b@public.gmane.org"
<xen-devel-GuqFBffKawtpuQazS67q72D2FQJk+8+b@public.gmane.org>,
Ben Skeggs <bskeggs-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: [Xen-devel] [PATCH hmm 08/15] xen/gntdev: Use select for DMA_SHARED_BUFFER
Date: Mon, 28 Oct 2019 08:25:19 +0200 [thread overview]
Message-ID: <3a53baa5-bc1d-e901-2792-8d51753391ff@gmail.com> (raw)
In-Reply-To: <20191021191219.GJ6285-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
On 10/21/19 10:12 PM, Jason Gunthorpe wrote:
> On Wed, Oct 16, 2019 at 06:35:15AM +0000, Oleksandr Andrushchenko wrote:
>> On 10/16/19 8:11 AM, Jürgen Groß wrote:
>>> On 15.10.19 20:12, Jason Gunthorpe wrote:
>>>> From: Jason Gunthorpe <jgg@mellanox.com>
>>>>
>>>> DMA_SHARED_BUFFER can not be enabled by the user (it represents a
>>>> library
>>>> set in the kernel). The kconfig convention is to use select for such
>>>> symbols so they are turned on implicitly when the user enables a kconfig
>>>> that needs them.
>>>>
>>>> Otherwise the XEN_GNTDEV_DMABUF kconfig is overly difficult to enable.
>>>>
>>>> Fixes: 932d6562179e ("xen/gntdev: Add initial support for dma-buf UAPI")
>>>> Cc: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
>>>> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
>>>> Cc: xen-devel@lists.xenproject.org
>>>> Cc: Juergen Gross <jgross@suse.com>
>>>> Cc: Stefano Stabellini <sstabellini@kernel.org>
>>>> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
>>> Reviewed-by: Juergen Gross <jgross@suse.com>
>>>
>> Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
> Thanks Oleksandr and Juergen, can you also give me some advice on how
> to progress the more complex patch:
>
> https://patchwork.kernel.org/patch/11191369/
>
> Is this gntdev stuff still in-use? I struggled a bit to understand
> what it is doing, but I think I made a reasonable guess?
I think Jurgen and Boris could help here
> Jason
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xenproject.org
> https://lists.xenproject.org/mailman/listinfo/xen-devel
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
WARNING: multiple messages have this Message-ID (diff)
From: Oleksandr Andrushchenko <andr2000@gmail.com>
To: "Jason Gunthorpe" <jgg@mellanox.com>,
"Oleksandr Andrushchenko" <Oleksandr_Andrushchenko@epam.com>,
"Jürgen Groß" <jgross@suse.com>,
"Boris Ostrovsky" <boris.ostrovsky@oracle.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>,
Ralph Campbell <rcampbell@nvidia.com>,
Stefano Stabellini <sstabellini@kernel.org>,
"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
John Hubbard <jhubbard@nvidia.com>,
"Felix.Kuehling@amd.com" <Felix.Kuehling@amd.com>,
"amd-gfx@lists.freedesktop.org" <amd-gfx@lists.freedesktop.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
Jerome Glisse <jglisse@redhat.com>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
Ben Skeggs <bskeggs@redhat.com>
Subject: Re: [Xen-devel] [PATCH hmm 08/15] xen/gntdev: Use select for DMA_SHARED_BUFFER
Date: Mon, 28 Oct 2019 08:25:19 +0200 [thread overview]
Message-ID: <3a53baa5-bc1d-e901-2792-8d51753391ff@gmail.com> (raw)
Message-ID: <20191028062519.A7rVkyjGR1_9Kr8F4xQHglsgwx-nS3QjE459xK99hfo@z> (raw)
In-Reply-To: <20191021191219.GJ6285@mellanox.com>
On 10/21/19 10:12 PM, Jason Gunthorpe wrote:
> On Wed, Oct 16, 2019 at 06:35:15AM +0000, Oleksandr Andrushchenko wrote:
>> On 10/16/19 8:11 AM, Jürgen Groß wrote:
>>> On 15.10.19 20:12, Jason Gunthorpe wrote:
>>>> From: Jason Gunthorpe <jgg@mellanox.com>
>>>>
>>>> DMA_SHARED_BUFFER can not be enabled by the user (it represents a
>>>> library
>>>> set in the kernel). The kconfig convention is to use select for such
>>>> symbols so they are turned on implicitly when the user enables a kconfig
>>>> that needs them.
>>>>
>>>> Otherwise the XEN_GNTDEV_DMABUF kconfig is overly difficult to enable.
>>>>
>>>> Fixes: 932d6562179e ("xen/gntdev: Add initial support for dma-buf UAPI")
>>>> Cc: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
>>>> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
>>>> Cc: xen-devel@lists.xenproject.org
>>>> Cc: Juergen Gross <jgross@suse.com>
>>>> Cc: Stefano Stabellini <sstabellini@kernel.org>
>>>> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
>>> Reviewed-by: Juergen Gross <jgross@suse.com>
>>>
>> Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
> Thanks Oleksandr and Juergen, can you also give me some advice on how
> to progress the more complex patch:
>
> https://patchwork.kernel.org/patch/11191369/
>
> Is this gntdev stuff still in-use? I struggled a bit to understand
> what it is doing, but I think I made a reasonable guess?
I think Jurgen and Boris could help here
> Jason
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xenproject.org
> https://lists.xenproject.org/mailman/listinfo/xen-devel
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
next prev parent reply other threads:[~2019-10-28 6:25 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-15 18:12 [PATCH hmm 00/15] Consolidate the mmu notifier interval_tree and locking Jason Gunthorpe
[not found] ` <20191015181242.8343-1-jgg-uk2M96/98Pc@public.gmane.org>
2019-10-15 18:12 ` [PATCH hmm 01/15] mm/mmu_notifier: define the header pre-processor parts even if disabled Jason Gunthorpe
[not found] ` <20191015181242.8343-2-jgg-uk2M96/98Pc@public.gmane.org>
2019-10-21 18:32 ` Jerome Glisse
2019-10-15 18:12 ` [PATCH hmm 02/15] mm/mmu_notifier: add an interval tree notifier Jason Gunthorpe
2019-10-21 18:30 ` Jerome Glisse
2019-10-21 18:54 ` Jason Gunthorpe
2019-10-21 19:11 ` Jerome Glisse
2019-10-21 19:24 ` Jason Gunthorpe
[not found] ` <20191021192448.GK6285-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2019-10-21 19:47 ` Jerome Glisse
2019-10-27 23:15 ` Jason Gunthorpe
2019-10-27 23:15 ` Jason Gunthorpe
2019-10-15 18:12 ` [PATCH hmm 03/15] mm/hmm: allow hmm_range to be used with a mmu_range_notifier or hmm_mirror Jason Gunthorpe
2019-10-21 18:33 ` Jerome Glisse
2019-10-15 18:12 ` [PATCH hmm 04/15] mm/hmm: define the pre-processor related parts of hmm.h even if disabled Jason Gunthorpe
[not found] ` <20191015181242.8343-5-jgg-uk2M96/98Pc@public.gmane.org>
2019-10-21 18:31 ` Jerome Glisse
2019-10-15 18:12 ` [PATCH hmm 05/15] RDMA/odp: Use mmu_range_notifier_insert() Jason Gunthorpe
[not found] ` <20191015181242.8343-6-jgg-uk2M96/98Pc@public.gmane.org>
2019-11-04 20:25 ` Jason Gunthorpe
2019-11-04 20:25 ` Jason Gunthorpe
2019-10-15 18:12 ` [PATCH hmm 06/15] RDMA/hfi1: Use mmu_range_notifier_inset for user_exp_rcv Jason Gunthorpe
2019-10-29 12:15 ` Dennis Dalessandro
2019-10-29 12:15 ` Dennis Dalessandro
2019-10-15 18:12 ` [PATCH hmm 07/15] drm/radeon: use mmu_range_notifier_insert Jason Gunthorpe
2019-10-15 18:12 ` [PATCH hmm 10/15] nouveau: use mmu_notifier directly for invalidate_range_start Jason Gunthorpe
2019-10-15 18:12 ` [PATCH hmm 11/15] nouveau: use mmu_range_notifier instead of hmm_mirror Jason Gunthorpe
2019-10-15 18:12 ` [PATCH hmm 12/15] drm/amdgpu: Call find_vma under mmap_sem Jason Gunthorpe
2019-10-15 18:12 ` [PATCH hmm 13/15] drm/amdgpu: Use mmu_range_insert instead of hmm_mirror Jason Gunthorpe
2019-10-15 18:12 ` [PATCH hmm 14/15] drm/amdgpu: Use mmu_range_notifier " Jason Gunthorpe
2019-10-15 18:12 ` [PATCH hmm 15/15] mm/hmm: remove hmm_mirror and related Jason Gunthorpe
[not found] ` <20191015181242.8343-16-jgg-uk2M96/98Pc@public.gmane.org>
2019-10-21 18:38 ` Jerome Glisse
2019-10-21 18:57 ` Jason Gunthorpe
[not found] ` <20191021185738.GH6285-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2019-10-21 19:19 ` Jerome Glisse
2019-10-16 8:58 ` [PATCH hmm 00/15] Consolidate the mmu notifier interval_tree and locking Christian König
[not found] ` <bc954d29-388b-9e29-f960-115ccc6b9fea-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2019-10-16 16:04 ` Jason Gunthorpe
[not found] ` <20191016160444.GB3430-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2019-10-17 8:54 ` Christian König
2019-10-17 16:26 ` Yang, Philip
[not found] ` <2046e0b4-ba05-0683-5804-e9bbf903658d-5C7GfCeVMHo@public.gmane.org>
2019-10-17 16:47 ` Koenig, Christian
[not found] ` <d6bcbd2a-2519-8945-eaf5-4f4e738c7fa9-5C7GfCeVMHo@public.gmane.org>
2019-10-18 20:36 ` Jason Gunthorpe
2019-10-20 14:21 ` Koenig, Christian
2019-10-21 13:57 ` Jason Gunthorpe
[not found] ` <20191021135744.GA25164-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2019-10-21 14:28 ` Koenig, Christian
2019-10-21 15:12 ` Jason Gunthorpe
[not found] ` <20191021151221.GC25164-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2019-10-22 7:57 ` Daniel Vetter
2019-10-22 15:01 ` Jason Gunthorpe
2019-10-23 9:08 ` Daniel Vetter
2019-10-23 9:08 ` Daniel Vetter
2019-10-23 9:32 ` Christian König
2019-10-23 9:32 ` Christian König
[not found] ` <13edf841-421e-3522-fcec-ef919c2013ef-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2019-10-23 16:52 ` Jerome Glisse
2019-10-23 16:52 ` Jerome Glisse
2019-10-23 17:24 ` Jason Gunthorpe
2019-10-23 17:24 ` Jason Gunthorpe
[not found] ` <20191023172442.GX22766-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2019-10-24 2:16 ` Christoph Hellwig
2019-10-24 2:16 ` Christoph Hellwig
2019-10-21 18:40 ` Jerome Glisse
2019-10-21 19:06 ` Jason Gunthorpe
[not found] ` <20191021190556.GI6285-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2019-10-23 20:26 ` Jerome Glisse
2019-10-23 20:26 ` Jerome Glisse
2019-10-15 18:12 ` [PATCH hmm 08/15] xen/gntdev: Use select for DMA_SHARED_BUFFER Jason Gunthorpe
2019-10-16 5:11 ` Jürgen Groß
2019-10-16 6:35 ` Oleksandr Andrushchenko
2019-10-21 19:12 ` Jason Gunthorpe
[not found] ` <20191021191219.GJ6285-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2019-10-28 6:25 ` Oleksandr Andrushchenko [this message]
2019-10-28 6:25 ` [Xen-devel] " Oleksandr Andrushchenko
2019-10-15 18:12 ` [PATCH hmm 09/15] xen/gntdev: use mmu_range_notifier_insert Jason Gunthorpe
2019-10-21 15:55 ` [PATCH hmm 00/15] Consolidate the mmu notifier interval_tree and locking Dennis Dalessandro
2019-10-21 16:58 ` Jason Gunthorpe
2019-10-22 11:56 ` Dennis Dalessandro
2019-10-22 14:37 ` Jason Gunthorpe
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