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Re: [PATCH 00/10] String hash improvements

From "George Spelvin" <linux@sciencehorizons.net>
Newsgroups linux.kernel
Subject Re: [PATCH 00/10] String hash improvements
Date 2016-05-25 10:20 +0200
Message-ID <rCCcN-76f-7@gated-at.bofh.it> (permalink)
References <rCC37-72S-13@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Geert Uytterhoeven wrote:
> Usually this is handled through include/asm-generic/.
> Put the generic default implementation in include/asm-generic/hash.h.
>
> Architectures that need to override provide their own version, e.g.
> arch/m68k/include/asm/hash.h. They may #include <asm-generic/hash.h>
> if they still want to reuse parts of the generic implementation.
>
> Other architectures add "generic-y += hash.h" to their
> arch/<ARCH>/include/asm/Kbuild.

I thought about that, but then I'd have to edit *every* architecture,
and might need acks from all the maintainers.

I was looking for something that was a total no-op on most architectures.

But if this is preferred, it's not technically difficult at all.


If asm-generic were in the <asm/*.h> search path, it would magically
Just Work, but leftover files from a broken checkout would be a big
potential problem.

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Thread

[PATCH 00/10] String hash improvements "George Spelvin" <linux@sciencehorizons.net> - 2016-05-25 09:30 +0200
  Re: [PATCH 00/10] String hash improvements Geert Uytterhoeven <geert@linux-m68k.org> - 2016-05-25 10:10 +0200
    Re: [PATCH 00/10] String hash improvements "George Spelvin" <linux@sciencehorizons.net> - 2016-05-25 10:20 +0200
      Re: [PATCH 00/10] String hash improvements Geert Uytterhoeven <geert@linux-m68k.org> - 2016-05-25 11:00 +0200
        Re: [PATCH 00/10] String hash improvements "George Spelvin" <linux@sciencehorizons.net> - 2016-05-25 11:10 +0200
  Re: [PATCH 00/10] String hash improvements Linus Torvalds <torvalds@linux-foundation.org> - 2016-05-25 18:10 +0200
    [PATCH v3 01/10] Pull out string hash to <linux/stringhash.h> George Spelvin <linux@sciencehorizons.net> - 2016-05-28 22:00 +0200
    [PATCH v3 04/10] Change hash_64() return value to 32 bits George Spelvin <linux@sciencehorizons.net> - 2016-05-28 22:00 +0200
    [PATCH v3 03/10] <linux/sunrpc/svcauth.h>: Define hash_str() in terms of hashlen_string() George Spelvin <linux@sciencehorizons.net> - 2016-05-28 22:00 +0200
    [PATCH v3 10/10] h8300: Add <asm/hash.h> George Spelvin <linux@sciencehorizons.net> - 2016-05-28 22:00 +0200
    [PATCH v3 07/10] <linux/hash.h>: Add support for architecture-specific functions George Spelvin <linux@sciencehorizons.net> - 2016-05-28 22:00 +0200
      Re: [PATCH v3 07/10] <linux/hash.h>: Add support for  architecture-specific functions Geert Uytterhoeven <geert@linux-m68k.org> - 2016-05-29 10:00 +0200
    [PATCH v3 00/10] String hash improvements George Spelvin <linux@sciencehorizons.net> - 2016-05-28 22:00 +0200
      [PATCH v3 05/10] Eliminate bad hash multipliers from hash_32() and  hash_64() George Spelvin <linux@sciencehorizons.net> - 2016-05-28 22:00 +0200
      [PATCH v3 09/10] microblaze: Add <asm/hash.h> George Spelvin <linux@sciencehorizons.net> - 2016-05-28 22:00 +0200
      [PATCH v3 08/10] m68k: Add <asm/hash.h> George Spelvin <linux@sciencehorizons.net> - 2016-05-28 22:00 +0200
      [PATCH v3 06/10] fs/namei.c: Improve dcache hash function George Spelvin <linux@sciencehorizons.net> - 2016-05-28 22:00 +0200
        Re: [PATCH v3 06/10] fs/namei.c: Improve dcache hash function Peter Zijlstra <peterz@infradead.org> - 2016-05-30 17:20 +0200
          Re: [PATCH v3 06/10] fs/namei.c: Improve dcache hash function "George Spelvin" <linux@sciencehorizons.net> - 2016-05-30 18:10 +0200
            Re: [PATCH v3 06/10] fs/namei.c: Improve dcache hash function Peter Zijlstra <peterz@infradead.org> - 2016-05-30 18:30 +0200
              Re: [PATCH v3 06/10] fs/namei.c: Improve dcache hash function "George Spelvin" <linux@sciencehorizons.net> - 2016-05-30 20:20 +0200
      [PATCH v3 02/10] fs/namei.c: Add hashlen_string() function George Spelvin <linux@sciencehorizons.net> - 2016-05-28 22:10 +0200
      Re: [PATCH v3 00/10] String hash improvements Linus Torvalds <torvalds@linux-foundation.org> - 2016-05-28 22:50 +0200
        Re: [PATCH v3 00/10] String hash improvements "George Spelvin" <linux@sciencehorizons.net> - 2016-05-28 23:00 +0200
  [PATCH v2 00/10] String hash improvements "George Spelvin" <linux@horizon.com> - 2016-05-27 17:00 +0200

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