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    <linux/hash.h>: Add support for architecture-specific functions · 468a9428
    George Spelvin 提交于
    This is just the infrastructure; there are no users yet.
    
    This is modelled on CONFIG_ARCH_RANDOM; a CONFIG_ symbol declares
    the existence of <asm/hash.h>.
    
    That file may define its own versions of various functions, and define
    HAVE_* symbols (no CONFIG_ prefix!) to suppress the generic ones.
    
    Included is a self-test (in lib/test_hash.c) that verifies the basics.
    It is NOT in general required that the arch-specific functions compute
    the same thing as the generic, but if a HAVE_* symbol is defined with
    the value 1, then equality is tested.
    Signed-off-by: NGeorge Spelvin <linux@sciencehorizons.net>
    Cc: Geert Uytterhoeven <geert@linux-m68k.org>
    Cc: Greg Ungerer <gerg@linux-m68k.org>
    Cc: Andreas Schwab <schwab@linux-m68k.org>
    Cc: Philippe De Muyter <phdm@macq.eu>
    Cc: linux-m68k@lists.linux-m68k.org
    Cc: Alistair Francis <alistai@xilinx.com>
    Cc: Michal Simek <michal.simek@xilinx.com>
    Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
    Cc: uclinux-h8-devel@lists.sourceforge.jp
    468a9428
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