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1bb30b7a45
Today vdso_data structure has: - syscall_map_32[] and syscall_map_64[] on PPC64 - syscall_map_32[] on PPC32 On PPC32, syscall_map_32[] is populated using sys_call_table[]. On PPC64, syscall_map_64[] is populated using sys_call_table[] and syscal_map_32[] is populated using compat_sys_call_table[]. To simplify vdso_setup_syscall_map(), - On PPC32 rename syscall_map_32[] into syscall_map[], - On PPC64 rename syscall_map_64[] into syscall_map[], - On PPC64 rename syscall_map_32[] into compat_syscall_map[]. That way, syscall_map[] gets populated using sys_call_table[] and compat_syscall_map[] gets population using compat_sys_call_table[]. Also define an empty compat_syscall_map[] on PPC32 to avoid ifdefs. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/472734be0d9991eee320a06824219a5b2663736b.1601197618.git.christophe.leroy@csgroup.eu
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.