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c3bf8a1440
Pull perf fixes from Borislav Petkov: - Intel/PT: filters could crash the kernel - Intel: default disable the PMU for SMM, some new-ish EFI firmware has started using CPL3 and the PMU CPL filters don't discriminate against SMM, meaning that CPL3 (userspace only) events now also count EFI/SMM cycles. - Fixup for perf_event_attr::sig_data * tag 'perf_urgent_for_v5.17_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/intel/pt: Fix crash with stop filters in single-range mode perf: uapi: Document perf_event_attr::sig_data truncation on 32 bit architectures selftests/perf_events: Test modification of perf_event_attr::sig_data perf: Copy perf_event_attr::sig_data on modification x86/perf: Default set FREEZE_ON_SMI for all
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.