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3ed57b41a4
When a "storm" of corrected machine check interrupts (CMCI) is detected this code mitigates by disabling CMCI interrupt signalling from all of the banks owned by the CPU that saw the storm. There are problems with this approach: 1) It is very coarse grained. In all likelihood only one of the banks was generating the interrupts, but CMCI is disabled for all. This means Linux may delay seeing and processing errors logged from other banks. 2) Although CMCI stands for Corrected Machine Check Interrupt, it is also used to signal when an uncorrected error is logged. This is a problem because these errors should be handled in a timely manner. Delete all this code in preparation for a finer grained solution. Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Yazen Ghannam <yazen.ghannam@amd.com> Tested-by: Yazen Ghannam <yazen.ghannam@amd.com> Link: https://lore.kernel.org/r/20231115195450.12963-2-tony.luck@intel.com |
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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.