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Douglas Anderson
ed92e1ef52
In preparation for the buddy hardlockup detector, which wants the same petting logic as the current perf hardlockup detector, move the code to watchdog.c. While doing this, rename the global variable to match others nearby. As part of this change we have to change the code to account for the fact that the CPU we're running on might be different than the one we're checking. Currently the code in watchdog.c is guarded by CONFIG_HARDLOCKUP_DETECTOR_PERF, which makes this change seem silly. However, a future patch will change this. Link: https://lkml.kernel.org/r/20230519101840.v5.11.I00dfd6386ee00da25bf26d140559a41339b53e57@changeid Signed-off-by: Douglas Anderson <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Catalin Marinas <[email protected]> Cc: Chen-Yu Tsai <[email protected]> Cc: Christophe Leroy <[email protected]> Cc: Colin Cross <[email protected]> Cc: Daniel Thompson <[email protected]> Cc: "David S. Miller" <[email protected]> Cc: Guenter Roeck <[email protected]> Cc: Ian Rogers <[email protected]> Cc: Lecopzer Chen <[email protected]> Cc: Marc Zyngier <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Masayoshi Mizuma <[email protected]> Cc: Matthias Kaehlcke <[email protected]> Cc: Michael Ellerman <[email protected]> Cc: Nicholas Piggin <[email protected]> Cc: Petr Mladek <[email protected]> Cc: Pingfan Liu <[email protected]> Cc: Randy Dunlap <[email protected]> Cc: "Ravi V. Shankar" <[email protected]> Cc: Ricardo Neri <[email protected]> Cc: Stephane Eranian <[email protected]> Cc: Stephen Boyd <[email protected]> Cc: Sumit Garg <[email protected]> Cc: Tzung-Bi Shih <[email protected]> Cc: Will Deacon <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
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.