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Re: [PATCH] x86/vdso: Emit a GNU hash

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On 08/06/2015 05:52 PM, Andy Lutomirski wrote:
> [adding lots of cc's]
> 
> On Thu, Aug 6, 2015 at 2:45 PM, Andy Lutomirski <luto@kernel.org> wrote:
>> From: Andy Lutomirski <luto@amacapital.net>
>>
>> Some dynamic loaders may be slightly faster if a GNU hash is
>> available.  Strangely, this seems to have no effect at all on the
>> vdso size.

FWIW, I see arch/x86/entry/vdso/vdso64.so increase by 168 bytes here,
using GCC 4.9.2, Binutils 2.24 as packaged by Fedora 21.

I see a similar increase when I make the equivalent change for ARM.


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[PATCH] x86/vdso: Emit a GNU hash Andy Lutomirski <luto@kernel.org> - 2015-08-06 23:50 +0200
  Re: [PATCH] x86/vdso: Emit a GNU hash Andy Lutomirski <luto@amacapital.net> - 2015-08-07 01:00 +0200
    [PATCH] s390/vdso: emit a GNU hash Martin Schwidefsky <schwidefsky@de.ibm.com> - 2015-08-07 09:10 +0200
    Re: [PATCH] x86/vdso: Emit a GNU hash Nathan Lynch <Nathan_Lynch@mentor.com> - 2015-08-07 18:20 +0200
      Re: [PATCH] x86/vdso: Emit a GNU hash Andy Lutomirski <luto@amacapital.net> - 2015-08-07 20:20 +0200
  [tip:x86/asm] x86/vdso: Emit a GNU hash tip-bot for Andy Lutomirski <tipbot@zytor.com> - 2015-08-09 12:30 +0200

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