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SubjectRe: Error in x86 CPU capabilities starting with test5/6
Hi Jeff,

On Fri, 17 Nov 2000, Jeff Garzik wrote:
> IIRC, this came up a long time ago WRT Apache, which made a lot of
> gettimeofday() calls. Someone (Linus?) proposed the solution of a
> 'magic page' which holds information like gettimeofday() stuff, but
> could be handled much more rapidly than a standard syscall.

Yes, I followed that thread closely and would love to see this as the
implementation for gettimeofday. This would make rdtsc for
applications superfluous.


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