Messages in this thread | | | Subject | Re: kvm: RDTSCP on AMD | From | Paolo Bonzini <> | Date | Tue, 11 Dec 2018 16:23:51 +0100 |
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On 11/12/18 12:55, Eduardo Habkost wrote: >> - Debian Jessie: 4.5 >> - Debian Stretch: 4.5 >> - RHEL-7: 3.10 >> - Ubuntu LTS (Xenial): 4.5 >> - OpenSUSE Leap 15: 4.12.14 >> >> So we can't require Linux 4.5 as a minimum version at this time. > I'd like us to take a step back and consider what exactly > "support" means here. QEMU will still work on older kernels if > we add RDTSCP to the CPU models, but at the same time I would > like to document that our strict runnability guarantees may not > be kept if running Linux < 4.5.
Anyway RHEL does have RDTSC support for AMD, and a bunch of other stuff. The frankenkernel's KVM is somewhere between 4.5 and 4.10, with a dash of 4.20 of course. :)
Paolo
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