From 9c63b5d9ea8ec96c84f3fe9633bcbb1f9cd76527 Mon Sep 17 00:00:00 2001 From: Emmanuel Kasper Date: Mon, 6 Jun 2016 12:23:17 +0200 Subject: [PATCH] Add note explaining what is KVM --- qm.adoc | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/qm.adoc b/qm.adoc index d66cc68..f3e0887 100644 --- a/qm.adoc +++ b/qm.adoc @@ -45,7 +45,14 @@ only concerned with 32 and 64 bits PC clone emulation, since it represents the overwhelming majority of server hardware. The emulation of PC clones is also one of the fastest due to the availability of processor extensions which greatly speed up Qemu when the emulated architecture is the same as the host -architecture. + +architecture. + +NOTE: You may sometimes encounter the term _KVM_ (Kernel-based Virtual Machine). +It means that Qemu is running with the support of the virtualization processor +extensions, via the Linux kvm module. In the context of {pve} _Qemu_ and +_KVM_ can be use interchangeably as Qemu in {pve} will always try to load the kvm +module. + Qemu inside {pve} runs as a root process, since this is required to access block and PCI devices.