Re: what mean ablout barrier()?

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Hi,

On Thu, Nov 16, 2006 at 12:20:44PM +0530, Bhanu Kalyan Chetlapalli wrote:
> are memory barriers used on the x86 since it is strictly ordered? or
> is it just that read memory barriers are not required, but write
> barriers are?

Not all x86 processors are strictly ordered. If they were, there would be
no use for memory barriers. Their purpose is to enforce ordering. Read
member barriers are required just as much as write memory barriers.

Cheers,
Clemens

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