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c5cc3ca707
The changes to copy_thread() made in commiteed7c420aa("powerpc: copy_thread differentiate kthreads and user mode threads") inadvertently broke arch_stack_walk_reliable() because it has knowledge of the stack layout. Fix it by changing the condition to match the new logic in copy_thread(). The changes make the comments about the stack layout incorrect, rather than rephrasing them just refer the reader to copy_thread(). Also the comment about the stack backchain is no longer true, since commitedbd0387f3("powerpc: copy_thread add a back chain to the switch stack frame"), so remove that as well. Fixes:eed7c420aa("powerpc: copy_thread differentiate kthreads and user mode threads") Reported-by: Joe Lawrence <joe.lawrence@redhat.com> Reviewed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230921232441.1181843-1-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.