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Kefeng Wang
63703f37aa
ZONE_[DMA|DMA32] configs have duplicate definitions on platforms that subscribe to them. Instead, just make them generic options which can be selected on applicable platforms. Also only x86/arm64 architectures could enable both ZONE_DMA and ZONE_DMA32 if EXPERT, add ARCH_HAS_ZONE_DMA_SET to make dma zone configurable and visible on the two architectures. Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Kefeng Wang <[email protected]> Acked-by: Catalin Marinas <[email protected]> [arm64] Acked-by: Geert Uytterhoeven <[email protected]> [m68k] Acked-by: Mike Rapoport <[email protected]> Acked-by: Palmer Dabbelt <[email protected]> [RISC-V] Acked-by: Michal Simek <[email protected]> [microblaze] Acked-by: Michael Ellerman <[email protected]> [powerpc] Cc: Catalin Marinas <[email protected]> Cc: Will Deacon <[email protected]> Cc: Geert Uytterhoeven <[email protected]> Cc: Thomas Bogendoerfer <[email protected]> Cc: "David S. Miller" <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Richard Henderson <[email protected]> Cc: Russell King <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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.