Messages in this thread | | | Date | Tue, 27 Feb 2007 07:29:14 +0100 | From | Ingo Molnar <> | Subject | Re: [RFC] Fast assurate clock readable from user space and NMI handler |
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* Daniel Walker <dwalker@mvista.com> wrote:
> The pit clocksource could be dropped pretty easy with my clocksource > update patches, which I'm still working on but you could easily drop > clock sources that aren't atomic like the pit .. Also the pit is > generally undesirable, so it's not going to be missed.
that's totally unacceptable, and i'm amazed you are even suggesting it - often the PIT ends up being the most reliable hardware clock in a PC. Btw., what's wrong with the spinlock that is protecting PIT access? It expresses the non-atomic property of the PIT just fine.
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