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Josh Poimboeuf
35a0067d2c
Use a more standard prologue for saving the stack pointer before realigning the stack. This enables ORC unwinding by allowing objtool to understand the stack realignment. Signed-off-by: Josh Poimboeuf <[email protected]> Tested-by: Ard Biesheuvel <[email protected]> Acked-by: Ard Biesheuvel <[email protected]> Tested-by: Sami Tolvanen <[email protected]> Acked-by: Peter Zijlstra (Intel) <[email protected]> Acked-by: Herbert Xu <[email protected]> Link: https://lore.kernel.org/r/5033e1a79867dff1b18e1b4d0783c38897d3f223.1614182415.git.jpoimboe@redhat.com
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.