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af1242eeca
parse_cbm() requires resource group mode and CLOSID to validate the capacity bitmask (CBM). It is passed via struct rdtgroup in struct rdt_parse_data. The io_alloc feature also uses CBMs to indicate which portions of cache are allocated for I/O traffic. The CBMs are provided by user space and need to be validated the same as CBMs provided for general (CPU) cache allocation. parse_cbm() cannot be used as-is since io_alloc does not have rdtgroup context. Pass the resource group mode and CLOSID directly to parse_cbm() via struct rdt_parse_data, instead of through the rdtgroup struct, to facilitate calling parse_cbm() to verify the CBM of the io_alloc feature. Signed-off-by: Babu Moger <babu.moger@amd.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Reinette Chatre <reinette.chatre@intel.com> Link: https://patch.msgid.link/f8ec6ab5cf594d906a3fe75f56793d5fbd63f38f.1762995456.git.babu.moger@amd.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 reStructuredText 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.