Messages in this thread | | | Date | Fri, 07 May 2010 13:33:31 -0700 | From | Arjan van de Ven <> | Subject | Re: RFD: Should we remove the HLT check? (was Re: [PATCH 1/8] x86: avoid check hlt if no timer interrupts) |
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On 5/7/2010 13:32, H. Peter Anvin wrote: > > I really wish I knew the exact systems affected by the HLT bug. If I > remember correctly, it was some 386 systems -- or possibly 486 systems > as well -- a very long time ago. This test just provides a diagnosis if > the system really is bad (it hangs with an obvious message) at the cost > of some 40 ms to the system boot time. I suspect C1 (HLT) being broken > is not anywhere close to the predominant power management problem in the > current day, and as such I'm wondering if this particular test hasn't > outlived its usefulness. > > Thoughts?
we could at least hide it behind the "don't run on pentium or newer" config options..
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