Re: + stupid-hack-to-make-mainline-build.patch added to -mm tree

From: Keir Fraser
Date: Thu Mar 08 2007 - 03:15:32 EST


On 8/3/07 08:01, "Ingo Molnar" <mingo@xxxxxxx> wrote:

> you are obsessed with avoiding a hypercall, but why? Granted it's slow
> especially on things like SVN/VMX, but it's not fundamentally slow. We
> definitely do not want to design our whole APIs and abstractions around
> the temporary notion that 'hypercalls are slow'. I'd expect hypercalls
> to be put into silicon just as much as SYSENTER was put into silicon.

If syscalls are already so fast, why does Linux have vgettimeofday()?

-- Keir


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