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The 'clear_sw_state' parameter for eeh_pe_clear_frozen_state() is redundant because it has no effect (except in the rare case of a hardware error part way through unfreezing a tree of PEs, where it would dangerously allow partial de-isolation before returning failure). It is passed down to __eeh_pe_clear_frozen_state(), and from there to eeh_unfreeze_pe(), where it causes EEH_PE_ISOLATED to be removed from the state of each PE during the traversal. However, when the traversal finishes, EEH_PE_ISOLATED is unconditionally removed by a call to eeh_pe_state_clear() regardless of the parameter's value. So remove the flag and pass false to eeh_unfreeze_pe() (to avoid the rare case described above, as it was before the flag was introduced). Also, perform the recursion directly in the function and eliminate a bit of boilerplate. There should be no change in functionality, except as mentioned above. Signed-off-by: Sam Bobroff <sbobroff@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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.