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SubjectRe: [patch 4/21] fix ARCH_HAS_PREFETCH
On Sun, 2002-08-11 at 08:38, Andrew Morton wrote:
> This information loss is unfortunate. Examples:
> for (i = 0; i < N; i++)
> prefetch(foo[i]);
> Problem is, if `prefetch' is a no-op, the compiler will still
> generate an empty busy-wait loop. Which it must do.

Why - nothing there is volatile

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