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The call to mce_notify_irq() has been there since the initial version of the soft inject mce machinery, introduced inea149b36c7("x86, mce: add basic error injection infrastructure"). At that time it was functional since injecting an MCE resulted in the following call chain: raise_mce() ->machine_check_poll() ->mce_log() - sets notfiy_user_bit ->mce_notify_user() (current mce_notify_irq) consumed the bit and called the usermode helper. However, with the introduction of011d826111("RAS: Add a Corrected Errors Collector") the code got moved around and the usermode helper began to be called via the early notifier mce_first_notifier() rendering the call in raise_local() defunct as the mce_need_notify bit (ex notify_user) is only being set from the early notifier. Remove the noop call and make mce_notify_irq() static. No functional changes. Signed-off-by: Nikolay Borisov <nik.borisov@suse.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://lore.kernel.org/r/20250225143348.268469-1-nik.borisov@suse.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.