Re: [PATCH] Implement timekeeping for rumprun/hw (x86)

  • From: Antti Kantee <pooka@xxxxxx>
  • To: rumpkernel-users@xxxxxxxxxxxxx
  • Date: Mon, 06 Jul 2015 16:41:46 +0000

On 06/07/15 14:43, Martin Lucina wrote:

I have also put in a check that warns if the "TSC invariant" bit is not set
in CPUID, however it turns out that neither KVM nor QEMU set this on my
system, possibly on purpose. So halting if that flag is not set would not
be very useful :-/

Doesn't QEMU set the flags based on which cpu you tell it to emulate? Or are you saying the flag is stripped even if the host cpu sets it and -cpu host is used?

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