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7579dfc42d
Pull perf/urgent fixes from Arnaldo Carvalho de Melo:
perf top:
Jiri Olsa:
- Fix 'perf top --pid', it needs PERF_SAMPLE_TIME since we switched to using
a different thread to sort the events and then even for just a single
thread we now need timestamps.
BPF:
Jiri Olsa:
- Fix bpf_prog and btf lookup functions failure path to to properly return
NULL.
- Fix side band thread draining, used to process PERF_RECORD_BPF_EVENT
metadata records.
core:
Jiri Olsa:
- Fix map lookup by name to get a refcount when the name is already in
the tree. Found
Song Liu:
- Fix __map__is_kmodule() by taking into account recently added BPF
maps.
UAPI:
Arnaldo Carvalho de Melo:
- Sync sound/asound.h copy
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@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.