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

Keir Fraser
2007-03-08T08:14:58Z

On 8/3/07 08:01, "Ingo Molnar" <mingo@elte.hu> 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