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56d61ae558
IFCVF HW supports operation with vq size less than the max size, as the spec required. This commit implements vdpa_config_ops.get_vq_num_min to report the minimal size of the virtqueues, which gives vDPA framework a chance to reduce the vring size. We need at least one descriptor to be functional, but it is better no less than 64 to meet ceratin performance requirements. Actually the framework would allocate at least a PAGE for the vq. Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com> Message-Id: <20240202163905.8834-11-lingshan.zhu@intel.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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.