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d9f608dc15
Each struct ghes has an worst-case sized buffer for storing the estatus. If an error is being processed by ghes_proc() in process context this buffer will be in use. If the error source then triggers an NMI-like notification, the same buffer will be used by in_nmi_queue_one_entry() to stage the estatus data, before __process_error() copys it into a queued estatus entry. Merge __process_error()s work into in_nmi_queue_one_entry() so that the queued estatus entry is used from the beginning. Use the new ghes_peek_estatus() to know how much memory to allocate from the ghes_estatus_pool before reading the records. Reported-by: Borislav Petkov <bp@suse.de> Signed-off-by: James Morse <james.morse@arm.com> Reviewed-by: Borislav Petkov <bp@suse.de> Change since v6: * Added a comment explaining the 'ack-error, then goto no_work'. * Added missing esatus-clearing, which is necessary after reading the GAS, Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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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.