Re: [PATCH 0/24] make atomic_read() behave consistently across allarchitectures

[Satyam Sharma]

On Sat, 18 Aug 2007, Segher Boessenkool wrote:

> > > GCC manual, section 6.1, "When
      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > > is a Volatile Object Accessed?" doesn't say anything of the
      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > > kind.
      ^^^^^

> > True, "implementation-defined" as per the C standard _is_ supposed to mean
    ^^^^^

> > "unspecified behaviour where each implementation documents how the choice
> > is made". So ok, probably GCC isn't "documenting" this
                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^

> > implementation-defined behaviour which it is supposed to, but can't really
> > fault them much for this, probably.
> 
> GCC _is_ documenting this, namely in this section 6.1.

(Again totally petty, but) Yes, but ...

> It doesn't
  ^^^^^^^^^^
> mention volatile-casted stuff.  Draw your own conclusions.
  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

... exactly. So that's why I said "GCC isn't documenting _this_".

Man, try _reading_ mails before replying to them ...
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