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eeec7845e9
In acpi_count_levels(), the initial value of *levels passed by the caller is really an implementation detail of acpi_count_levels(), so it is unreasonable to expect the callers of this function to know what to pass in for this parameter. The only sensible initial value is 0, which is what the only upstream caller (acpi_get_cache_info()) passes. Use a local variable for the starting cache level in acpi_count_levels(), and pass the result back to the caller via the function return value. Get rid of the levels parameter, which has no remaining purpose. Fix acpi_get_cache_info() to match. Suggested-by: Jonathan Cameron <jonathan.cameron@huawei.com> Signed-off-by: James Morse <james.morse@arm.com> Reviewed-by: Lorenzo Pieralisi <lpieralisi@kernel.org> Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com> Reviewed-by: Fenghua Yu <fenghuay@nvidia.com> Reviewed-by: Gavin Shan <gshan@redhat.com> Reviewed-by: Shaopeng Tan <tan.shaopeng@jp.fujitsu.com> Reviewed-by: Hanjun Guo <guohanjun@huawei.com> Reviewed-by: Jeremy Linton <jeremy.linton@arm.com> Tested-by: Fenghua Yu <fenghuay@nvidia.com> Tested-by: Shaopeng Tan <tan.shaopeng@jp.fujitsu.com> Tested-by: Peter Newman <peternewman@google.com> Tested-by: Carl Worth <carl@os.amperecomputing.com> Tested-by: Gavin Shan <gshan@redhat.com> Tested-by: Zeng Heng <zengheng4@huawei.com> Tested-by: Hanjun Guo <guohanjun@huawei.com> Signed-off-by: Ben Horgan <ben.horgan@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.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.