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Re: Implicit memory barriers on x86

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From Alexander Terekhov <terekhov@web.de>
Newsgroups comp.programming.threads
Subject Re: Implicit memory barriers on x86
Date Sat, 11 Jun 2011 12:31:08 +0200
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Rani Sharoni wrote:
[...]
> Now I need to re-figure why the non locked write works for spinlock
> release...

Because preceding reads and writes can not 'sink' below the write (be
delayed past it). x86 writes have 'release' semantics.

regards,
alexander.

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Thread

Implicit memory barriers on x86 Rani Sharoni <ranisharoni75@gmail.com> - 2011-06-07 13:47 -0700
  Re: Implicit memory barriers on x86 David Schwartz <davids@webmaster.com> - 2011-06-08 10:11 -0700
    Re: Implicit memory barriers on x86 Rani Sharoni <ranisharoni75@gmail.com> - 2011-06-08 12:53 -0700
  Re: Implicit memory barriers on x86 Edek <edek.pienkowski@gmail.com> - 2011-06-08 20:29 +0200
    Re: Implicit memory barriers on x86 Rani Sharoni <ranisharoni75@gmail.com> - 2011-06-08 12:48 -0700
      Re: Implicit memory barriers on x86 Edek <edek.pienkowski@gmail.com> - 2011-06-08 23:41 +0200
        Re: Implicit memory barriers on x86 Rani Sharoni <ranisharoni75@gmail.com> - 2011-06-08 22:19 -0700
        Re: Implicit memory barriers on x86 David Schwartz <davids@webmaster.com> - 2011-06-09 16:25 -0700
  Re: Implicit memory barriers on x86 Rani Sharoni <ranisharoni75@gmail.com> - 2011-06-10 14:19 -0700
    Re: Implicit memory barriers on x86 David Schwartz <davids@webmaster.com> - 2011-06-11 02:57 -0700
      Re: Implicit memory barriers on x86 Rani Sharoni <ranisharoni75@gmail.com> - 2011-06-11 09:21 -0700
        Re: Implicit memory barriers on x86 Edek <edek.pienkowski@gmail.com> - 2011-06-11 22:26 +0200
    Re: Implicit memory barriers on x86 Alexander Terekhov <terekhov@web.de> - 2011-06-11 12:31 +0200
      Re: Implicit memory barriers on x86 "Chris M. Thomasson" <cristom@charter.net> - 2011-06-13 09:51 -0700
    Re: Implicit memory barriers on x86 Rani Sharoni <ranisharoni75@gmail.com> - 2011-06-11 12:30 -0700
      Re: Implicit memory barriers on x86 Edek <edek.pienkowski@gmail.com> - 2011-06-11 22:18 +0200
        Re: Implicit memory barriers on x86 Rani Sharoni <ranisharoni75@gmail.com> - 2011-06-11 13:31 -0700

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