On Thu, Jun 20, 2019 at 12:53:41AM +0200, Jiri Denemark wrote:
Without "unavailable-features" CPU property we cannot properly detect
whether a specific MSR feature we asked for (either explicitly or
implicitly via a CPU model) was disabled by QEMU for some reason.
Because this could break migration, snapshots, and save/restore
operaions, it's better to just forbid any use of MSR features with QEMU
which lacks "unavailable-features" CPU property.

Signed-off-by: Jiri Denemark <jdene...@redhat.com>
---
src/qemu/qemu_process.c | 29 ++++++++++++++++++++++++++---
1 file changed, 26 insertions(+), 3 deletions(-)


Reviewed-by: Ján Tomko <jto...@redhat.com>

Jano

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