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625e4b59a9
The current flow for updating an mr works directly on mvdev->mr which makes it cumbersome to handle multiple new mr structs. This patch makes the flow more straightforward by having mlx5_vdpa_create_mr return a new mr which will update the old mr (if any). The old mr will be deleted and unlinked from mvdev. For the case when the iotlb is empty (not NULL), the old mr will be cleared. This change paves the way for adding mrs for different ASIDs. The initialized bool is no longer needed as mr is now a pointer in the mlx5_vdpa_dev struct which will be NULL when not initialized. Acked-by: Eugenio Pérez <eperezma@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com> Message-Id: <20231018171456.1624030-14-dtatulea@nvidia.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Si-Wei Liu <si-wei.liu@oracle.com> Tested-by: Si-Wei Liu <si-wei.liu@oracle.com> Tested-by: Lei Yang <leiyang@redhat.com> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.