Re: [PATCH] x86: Remove hpet vclock support

From: Clemens Ladisch
Date: Sat Feb 01 2014 - 10:44:39 EST


Andy Lutomirski wrote:
> The HPET is so amazingly slow that this is barely a win.

What happens on CPUs where the TSC cannot be used for the clock?

> it scares me a tiny bit to map a piece of crappy hardware where every
> userspace program can poke at it (even if said poking is read-only).
> Let's just remove it.

So this mapping is a backdoor to bypass the restrictions on /dev/hpet? ;-)


Regards,
Clemens
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