From: Jason Gunthorpe <jgg@nvidia.com>
To: Steve Sistare <steven.sistare@oracle.com>
Cc: iommu@lists.linux.dev, Kevin Tian <kevin.tian@intel.com>,
Nicolin Chen <nicolinc@nvidia.com>
Subject: Re: [PATCH V5 6/9] iommufd: pfn reader for file mappings
Date: Wed, 23 Oct 2024 10:24:53 -0300 [thread overview]
Message-ID: <20241023132453.GG864191@nvidia.com> (raw)
In-Reply-To: <1729630838-24586-7-git-send-email-steven.sistare@oracle.com>
On Tue, Oct 22, 2024 at 02:00:35PM -0700, Steve Sistare wrote:
> Extend pfn_reader_user to pin file mappings, by calling memfd_pin_folios.
> Repin at small page granularity, and fill the batch from folios. Expand
> folios to upages for the iopt_pages_fill path.
>
> Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
> ---
> drivers/iommu/iommufd/io_pagetable.h | 5 ++
> drivers/iommu/iommufd/pages.c | 128 ++++++++++++++++++++++++++++++-----
> 2 files changed, 116 insertions(+), 17 deletions(-)
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Jason
next prev parent reply other threads:[~2024-10-23 13:24 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-22 21:00 [PATCH V5 0/9] iommu_ioas_map_file Steve Sistare
2024-10-22 21:00 ` [PATCH V5 1/9] mm/gup: folio_add_pins Steve Sistare
2024-10-22 21:00 ` [PATCH V5 2/9] iommufd: rename uptr in iopt_alloc_iova Steve Sistare
2024-10-23 7:05 ` Tian, Kevin
2024-10-22 21:00 ` [PATCH V5 3/9] iommufd: generalize iopt_pages address Steve Sistare
2024-10-23 7:08 ` Tian, Kevin
2024-10-23 13:33 ` Steven Sistare
2024-10-22 21:00 ` [PATCH V5 4/9] iommufd: pfn reader local variables Steve Sistare
2024-10-23 7:09 ` Tian, Kevin
2024-10-22 21:00 ` [PATCH V5 5/9] iommufd: folio subroutines Steve Sistare
2024-10-23 7:16 ` Tian, Kevin
2024-10-23 7:21 ` Tian, Kevin
2024-10-23 13:03 ` Jason Gunthorpe
2024-10-24 6:14 ` Tian, Kevin
2024-10-23 13:04 ` Steven Sistare
2024-10-23 13:01 ` Jason Gunthorpe
2024-10-22 21:00 ` [PATCH V5 6/9] iommufd: pfn reader for file mappings Steve Sistare
2024-10-23 7:40 ` Tian, Kevin
2024-10-23 13:06 ` Steven Sistare
2024-10-24 6:17 ` Tian, Kevin
2024-10-23 13:15 ` Jason Gunthorpe
2024-10-23 13:24 ` Jason Gunthorpe [this message]
2024-10-22 21:00 ` [PATCH V5 7/9] iommufd: IOMMU_IOAS_MAP_FILE Steve Sistare
2024-10-23 7:45 ` Tian, Kevin
2024-10-23 13:22 ` Steven Sistare
2024-10-22 21:00 ` [PATCH V5 8/9] iommufd: file mappings for mdev Steve Sistare
2024-10-23 8:01 ` Tian, Kevin
2024-10-23 13:16 ` Jason Gunthorpe
2024-10-22 21:00 ` [PATCH V5 9/9] iommufd: map file selftest Steve Sistare
2024-10-23 13:52 ` Steven Sistare
2024-10-23 20:15 ` Nicolin Chen
2024-10-23 20:45 ` Steven Sistare
2024-10-24 0:36 ` Nicolin Chen
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