On Thu, Jan 04, 2018 at 02:56:46PM -0500, Paul Davis wrote:
> is this correct? my impression is that KPTI makes user->kernel and
> kernel->user switches more expensive tha they used to be, but does not
> change the cost of a context switch that stays in the same ring mode.
>
> so, basically, system calls cost more; context switches stay at about the
> same cost.
That is what I understood as well. Maybe this will affect systems
using very small period sizes, we'll see.
Ciao,
-- FA A world of exhaustive, reliable metadata would be an utopia. It's also a pipe-dream, founded on self-delusion, nerd hubris and hysterically inflated market opportunities. (Cory Doctorow) _______________________________________________ Linux-audio-user mailing list Linux-audio-user@lists.linuxaudio.org https://lists.linuxaudio.org/listinfo/linux-audio-userReceived on Fri Jan 5 00:15:02 2018
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