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In case the SF IRQ pool is not available due to setup limitations, SF currently relies on the already allocated PF IRQs to fulfill its IRQ vector requests. However, with the dynamic EQ allocation introduced in the next patch, it is possible that not all IRQs of PF will be allocated after the driver is loaded. In such case, if a SF requests a completion IRQ without having its own independent IRQ pool, SF will lack a PF IRQ to utilize. To address this scenario, allocate an IRQ for the SF from the PF's IRQ pool on demand. The new IRQ will be shared between the SF and it's PF. Signed-off-by: Maher Sanalla <msanalla@nvidia.com> Reviewed-by: Shay Drory <shayd@nvidia.com> Reviewed-by: Moshe Shemesh <moshe@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.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.