From: Christoph Hellwig <hch@lst.de>
To: Jason Gunthorpe <jgg@ziepe.ca>
Cc: linux-mm@kvack.org, "Ralph Campbell" <rcampbell@nvidia.com>,
"Alex Deucher" <alexander.deucher@amd.com>,
amd-gfx@lists.freedesktop.org, "Ben Skeggs" <bskeggs@redhat.com>,
"Christian König" <christian.koenig@amd.com>,
"David (ChunMing) Zhou" <David1.Zhou@amd.com>,
dri-devel@lists.freedesktop.org, "Kuehling,
Felix" <Felix.Kuehling@amd.com>, "Christoph Hellwig" <hch@lst.de>,
intel-gfx@lists.freedesktop.org,
"Jérôme Glisse" <jglisse@redhat.com>,
"John Hubbard" <jhubbard@nvidia.com>,
linux-kernel@vger.kernel.org,
"Niranjana Vishwanathapura" <niranjana.vishwanathapura@intel.com>,
nouveau@lists.freedesktop.org
Subject: Re: [PATCH hmm 1/5] mm/hmm: make CONFIG_DEVICE_PRIVATE into a select
Date: Wed, 22 Apr 2020 07:50:53 +0200 [thread overview]
Message-ID: <20200422055053.GA22366@lst.de> (raw)
In-Reply-To: <1-v1-4eb72686de3c+5062-hmm_no_flags_jgg@mellanox.com>
On Tue, Apr 21, 2020 at 09:21:42PM -0300, Jason Gunthorpe wrote:
> From: Jason Gunthorpe <jgg@mellanox.com>
>
> There is no reason for a user to select this or not directly - it should
> be selected by drivers that are going to use the feature, similar to how
> CONFIG_HMM_MIRROR works.
>
> Currently all drivers provide a feature kconfig that will disable use of
> DEVICE_PRIVATE in that driver, allowing users to avoid enabling this if
> they don't want the overhead.
>
> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
next prev parent reply other threads:[~2020-04-22 5:50 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-22 0:21 [PATCH hmm 0/5] Adjust hmm_range_fault() API Jason Gunthorpe
2020-04-22 0:21 ` [PATCH hmm 1/5] mm/hmm: make CONFIG_DEVICE_PRIVATE into a select Jason Gunthorpe
2020-04-22 5:50 ` Christoph Hellwig [this message]
2020-04-22 0:21 ` [PATCH hmm 2/5] mm/hmm: make hmm_range_fault return 0 or -1 Jason Gunthorpe
2020-04-22 5:52 ` Christoph Hellwig
2020-04-29 19:38 ` Jason Gunthorpe
2020-04-22 0:21 ` [PATCH hmm 3/5] drm/amdgpu: remove dead code after hmm_range_fault() Jason Gunthorpe
2020-04-22 0:21 ` [PATCH hmm 4/5] mm/hmm: remove HMM_PFN_SPECIAL Jason Gunthorpe
2020-04-22 5:53 ` Christoph Hellwig
2020-04-22 0:21 ` [PATCH hmm 5/5] mm/hmm: remove the customizable pfn format from hmm_range_fault Jason Gunthorpe
2020-04-22 6:03 ` Christoph Hellwig
2020-04-22 12:39 ` Jason Gunthorpe
2020-04-23 6:10 ` Christoph Hellwig
2020-04-22 17:52 ` Felix Kuehling
2020-04-29 22:41 ` Jason Gunthorpe
2020-04-22 19:09 ` [PATCH hmm 0/5] Adjust hmm_range_fault() API Ralph Campbell
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