From 405affeb07229cbb9f5fb4536779828cdd128b7a Mon Sep 17 00:00:00 2001 From: Jiri Denemark Date: Wed, 15 Feb 2017 10:29:44 +0100 Subject: [PATCH] news: Detect host CPU model by asking QEMU on x86_64 Signed-off-by: Jiri Denemark --- docs/news.xml | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/docs/news.xml b/docs/news.xml index 675faa7ab6..e4b5a9d312 100644 --- a/docs/news.xml +++ b/docs/news.xml @@ -141,6 +141,17 @@ driver with all backends which may pull in too many dependencies. + + + qemu: Detect host CPU model by asking QEMU on x86_64 + + + Previously, libvirt detected the host CPU model using CPUID + instruction, which cased libvirt to detect a lot of CPU features + that are not supported by QEMU/KVM. Asking QEMU makes sure we + don't start it with unsupported features. + +