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Systems with a large number of CPUs may generate a large number of machine check records when things go seriously wrong. But Linux has a fixed-size buffer that can only capture a few dozen errors. Allocate space based on the number of CPUs (with a minimum value based on the historical fixed buffer that could store 80 records). [ bp: Rename local var from tmpp to something more telling: gpool. ] Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Sohil Mehta <sohil.mehta@intel.com> Reviewed-by: Avadhut Naik <avadhut.naik@amd.com> Link: https://lore.kernel.org/r/20240307192704.37213-1-tony.luck@intel.com
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 reStructuredText 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.