Re: Intel's EPT effect on virtualized Hurd

2011-09-06 Thread Ognyan Kulev
На 6.09.2011 01:42, Samuel Thibault написа: Mmm, but isn't enabling EPT automatic already? That is, people which have it will benefit from it, and people which don't won't. When trying the Hurd, there could be alternatives for the computer, e.g. at home and at work. So this information may le

Re: Intel's EPT effect on virtualized Hurd

2011-09-06 Thread Samuel Thibault
Sergio López, le Tue 06 Sep 2011 10:40:38 +0200, a écrit : > 2011/9/6 Samuel Thibault : > > Mmm, but isn't enabling EPT automatic already? That is, people which > > have it will benefit from it, and people which don't won't. > > Yes, it's automatic. But I think it's worth noting somewhere that, in

Re: Intel's EPT effect on virtualized Hurd

2011-09-06 Thread Sergio López
2011/9/6 Samuel Thibault : > Mmm, but isn't enabling EPT automatic already? That is, people which > have it will benefit from it, and people which don't won't. Yes, it's automatic. But I think it's worth noting somewhere that, in certain kind of hardware, a virtualized instance of Hurd is able to

Re: Intel's EPT effect on virtualized Hurd

2011-09-05 Thread Samuel Thibault
Sergio López, le Mon 05 Sep 2011 10:24:39 +0200, a écrit : > Since most people are running Hurd in a virtualized environment, I think it's > worth pointing this info somewhere in the wiki. Mmm, but isn't enabling EPT automatic already? That is, people which have it will benefit from it, and people

Intel's EPT effect on virtualized Hurd

2011-09-05 Thread Sergio López
Hi, Last Friday, on the IRC channel, we've noticed some machines are able to run certain operations on Hurd as KVM guest up to 10x faster than others. As antrik correctly guessed, this is the effect of Intel's Extended Page Tables, which allow the guest operating system to deal with it's own page

Intel's EPT effect on virtualized Hurd

2011-09-05 Thread Sergio López
Hi, Last Friday, on the IRC channel, we've noticed some machines are able to run certain operations on Hurd as KVM guest up to 10x faster than others. As antrik correctly guessed, this is the effect of Intel's Extended Page Tables, which allow the guest operating system to deal with it's own page