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The count of errors is picked up from bits 52:38 of the machine check bank status register. But this is the count of *corrected* errors. If an uncorrected error is being logged, the h/w sets this field to 0. Which means that when edac_mc_handle_error() is called, the EDAC core will carefully add zero to the appropriate uncorrected error counts. Signed-off-by: Tony Luck <tony.luck@intel.com> [ Massage commit message. ] Signed-off-by: Borislav Petkov <bp@suse.de> Cc: stable@vger.kernel.org Cc: Aristeu Rozanski <aris@redhat.com> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: Qiuxu Zhuo <qiuxu.zhuo@intel.com> Cc: linux-edac <linux-edac@vger.kernel.org> Link: http://lkml.kernel.org/r/20180928213934.19890-1-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 Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.
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.