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[ Upstream commitb329f5ddc9] clear_cpu_cap(&boot_cpu_data) is very similar to setup_clear_cpu_cap() except that the latter also sets a bit in 'cpu_caps_cleared' which later clears the same cap in secondary cpus, which is likely what is meant here. Fixes:47125db27e("perf/x86/intel/lbr: Support Architectural LBR") Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Kan Liang <kan.liang@linux.intel.com> Link: https://lkml.kernel.org/r/20220718141123.136106-2-mlevitsk@redhat.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.