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d57d6fe5bf
Recently I went down a rabbit hole looking at a race condition in panic() on a Hyper-V guest. I assumed, since it was missing from the command line, that crash_kexec_post_notifiers was disabled. Only after a rather long reproduction and analysis process did I learn that Hyper-V actually enables this setting unconditionally. Users and debuggers alike would like to know when these things happen. I think it would be good to print a message to the kernel log when this happens, so that a grep for "crash_kexec_post_notifiers" shows relevant results. Signed-off-by: Stephen Brennan <stephen.s.brennan@oracle.com> Reviewed-by: Michael Kelley <mikelley@microsoft.com> Link: https://lore.kernel.org/r/20220215013735.358327-1-stephen.s.brennan@oracle.com Signed-off-by: Wei Liu <wei.liu@kernel.org> |
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| kernel | ||
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| README | ||
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.