From: Jason Gunthorpe <jgg@nvidia.com>
To: Steve Sistare <steven.sistare@oracle.com>
Cc: iommu@lists.linux.dev, Kevin Tian <kevin.tian@intel.com>,
Alex Williamson <alex.williamson@redhat.com>,
Cornelia Huck <cohuck@redhat.com>
Subject: Re: [PATCH V3 2/4] iommufd: Lock all objects
Date: Thu, 7 Nov 2024 16:23:43 -0400 [thread overview]
Message-ID: <20241107202343.GE539304@nvidia.com> (raw)
In-Reply-To: <1728321203-189608-3-git-send-email-steven.sistare@oracle.com>
On Mon, Oct 07, 2024 at 10:13:21AM -0700, Steve Sistare wrote:
> Define helpers to lock and unlock all iommufd_ctx objects.
> This will allow DMA mappings to be updated atomically during live update.
> This code is substantially the same as an initial version provided by
> Jason, plus fixes.
>
> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
> Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
> ---
> drivers/iommu/iommufd/ioas.c | 65 +++++++++++++++++++++++++++++++++
> drivers/iommu/iommufd/iommufd_private.h | 1 +
> drivers/iommu/iommufd/main.c | 1 +
> 3 files changed, 67 insertions(+)
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Jason
next prev parent reply other threads:[~2024-11-07 20:23 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-07 17:13 [PATCH V3 0/4] iommufd live update Steve Sistare
2024-10-07 17:13 ` [PATCH V3 1/4] iommufd: Export do_update_pinned Steve Sistare
2024-10-07 17:13 ` [PATCH V3 2/4] iommufd: Lock all objects Steve Sistare
2024-11-07 20:23 ` Jason Gunthorpe [this message]
2024-10-07 17:13 ` [PATCH V3 3/4] iommufd: Add IOMMU_IOAS_CHANGE_PROCESS Steve Sistare
2024-11-06 18:08 ` Jason Gunthorpe
2024-11-06 18:55 ` Steven Sistare
2024-11-07 20:25 ` Jason Gunthorpe
2024-10-07 17:13 ` [PATCH V3 4/4] iommufd: IOMMU_IOAS_CHANGE_PROCESS selftest Steve Sistare
2024-11-07 20:26 ` Jason Gunthorpe
2024-11-07 20:47 ` Steven Sistare
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