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The MCE severity gives a hint as to how to handle the error. The notifier blocks can then use the severity to decide on an action. It's not necessary for machine_check_poll() to filter errors for the notifier chain, since each block will check its own set of conditions before handling an error. Also, there isn't any urgency for machine_check_poll() to make decisions based on severity like in do_machine_check(). If we can assume that a severity is set then we can use it in more notifier blocks. For example, the CEC block could check for a "KEEP" severity rather than checking bits in the status. This isn't possible now since the severity is not set except for "DEFFRRED/UCNA" errors with a valid address. Save the severity since we have it, and let the notifier blocks decide if they want to do anything. Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com> Signed-off-by: Borislav Petkov <bp@suse.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1498074402-98633-1-git-send-email-Yazen.Ghannam@amd.com
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.