On Mon, Jul 14, 2008 at 3:12 PM, Kevin Kofler <kevin.kofler@xxxxxxxxx> wrote: > Mogens Kjaer <mk <at> crc.dk> writes: >> Before creating a virtualized process, check that the CPU does >> virtualization AND that it is enabled in the BIOS. > > Actually regular QEMU doesn't use hardware virtualization, you have to use KVM > to use it. > > QEMU without kqemu = pure software emulation, no hardware support required, can > emulate other architectures (e.g. x86_64 on a 32-bit x86 host), very slow > QEMU with kqemu = software virtualization, does not need hardware > virtualization support, but does need kernel support (kmod-kqemu) and can only > emulate its own architecture (e.g. no x86_64 emulation on 32-bit hosts) > KVM (which uses QEMU) = hardware virtualization using the hardware > virtualization support in recent CPUs, needs kernel support, but such support > is included in current upstream and Fedora kernels, can only emulate x86 and > x86_64 (and I'm not sure whether it's possible to run x86_64 KVM VMs on a > 32-bit x86 host) > > Kevin Kofler That's what I thought, but had no evidence. Thanks for clarifying. -- Fedora 7 : sipping some of that moonshine ( www.pembo13.com ) -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
