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e627ad50a2
The only difference from the GuC POV between guc_communication_stop and guc_communication_disable is that the former can be called after GuC has been reset. Instead of having two separate paths, we can just skip the call into GuC in the disabling path and re-use that. Note that by using the disable() path instead of the stop() one there are two additional changes in SW side for the stop path: - interrupts are now disabled before disabling the CT, which is ok because we do not want interrupts with CT disabled; - guc_get_mmio_msg() is called in the stop case as well, which is ok because if there are errors before the reset we do want to record them. Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: John Harrison <John.C.Harrison@Intel.com> Cc: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191217012316.13271-1-daniele.ceraolospurio@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.