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SubjectRe: gettimeofday non-monotonic on SMP 2.3.47
On Sun, 27 Feb 2000, Boris Okun wrote:

[snip]
> This is on SMP 2.3.47 Intel BX mb with P2/400 and P3/450.
> I don't see this problem in UP.
>
> Before you jump and tell me that processors must be the same let me
> point out that Intel specifically calls for support of processors of
> different abilities and speeds for an OS to be MP Spec 1.4 compliant.
[snip]

Who ever told you that Linux is MP Spec 1.4 compliant?

I imagine that having to manage non-synced TSCs would be a *big*
performance hit. It would be better to just panic at boot on such an
oddball config.


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