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Yicong Yang
5d6d45e2d5
[ Upstream commit6d7d51e88e] Check whether the event type matches the PMU type firstly in pmu::event_init() before touching the event. Otherwise we'll change the events of others and lead to incorrect results. Since in perf_init_event() we may call every pmu's event_init() in a certain case, we should not modify the event if it's not ours. Fixes:8404b0fbc7("drivers/perf: hisi: Add driver for HiSilicon PCIe PMU") Signed-off-by: Yicong Yang <yangyicong@hisilicon.com> Link: https://lore.kernel.org/r/20231024092954.42297-2-yangyicong@huawei.com Signed-off-by: Will Deacon <will@kernel.org> 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.