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The current pmc->eventsel for fixed counter is underutilised. The pmc->eventsel can be setup for all known available fixed counters since we have mapping between fixed pmc index and the intel_arch_events array. Either gp or fixed counter, it will simplify the later checks for consistency between eventsel and perf_hw_id. Signed-off-by: Like Xu <likexu@tencent.com> Message-Id: <20211130074221.93635-2-likexu@tencent.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.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.
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