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[ Upstream commit6532783310] Current clear_attr_update procedure in pmu_set_mapping() sets attr_update field in NULL that is not correct because intel_uncore_type pmu types can contain several groups in attr_update field. For example, SPR platform already has uncore_alias_group to update and then UPI topology group will be added in next patches. Fix current behavior and clear attr_update group related to mapping only. Fixes:bb42b3d397("perf/x86/intel/uncore: Expose an Uncore unit to IIO PMON mapping") Signed-off-by: Alexander Antonov <alexander.antonov@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Kan Liang <kan.liang@linux.intel.com> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20221117122833.3103580-4-alexander.antonov@linux.intel.com Signed-off-by: Sasha Levin <sashal@kernel.org>
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.