On Fri, Nov 09, 2018 at 02:59:49PM +0100, Vitaly Kuznetsov wrote:
> Since Qemu commit 9b4cf107b09d ("hyperv: only add SynIC in compatible
> configurations") hv_vpindex flag is mandatory if hv_synic is used:
>
> $ qemu-system-x86_64 -nodefaults -cpu kvm64,hv_time,hv_synic,hv_stimer \
> -device hyperv-testdev -device pc-testdev -device isa-debug-exit, \
> iobase=0xf4,iosize=0x4 -vnc none -serial stdio -device pci-testdev \
> -machine accel=kvm -kernel x86/hyperv_stimer.flat
>
> Results in:
>
> Hyper-V SynIC (requested by 'hv-synic' cpu flag) requires Hyper-V VP_INDEX
> ('hv-vpindex')
> qemu-system-x86_64: kvm_init_vcpu failed: Function not implemented
>
> Fix the configuration.
>
> Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
> ---
> x86/unittests.cfg | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
I wrote a nearly identical one back in May:
https://patchwork.kernel.org/patch/10439445/
within a small cleanup series starting with
20180530165257.18292-1-rkagan@xxxxxxxxxxxxx
It has attracted no attention since then :(
Maybe you'll have better luck, so
Reviewed-by: Roman Kagan <rkagan@xxxxxxxxxxxxx>
