[OE-core] [PATCH] runqemu: Use correct kvm CPU options for qemux86* with kvm

[Bruce Ashfield]

On 13-09-25 4:59 PM, Richard Purdie wrote:
> The existing -cpu host option caused kernel panics when people attempted to use
> the kvm option. After research and discussion, the best options appear to
> be the kvm32/kvm64 cpu types so lets use these instead. These resolve
> the kernel issues for me.

Late to the party, and discussion, but agreed. This change looks good
for this point in 1.5.

Cheers,

Bruce

>
> [YOCTO #3908]
>
> Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
> ---
> diff --git a/scripts/runqemu b/scripts/runqemu
> index efab1a2..12c58d9 100755
> --- a/scripts/runqemu
> +++ b/scripts/runqemu
> @@ -265,7 +265,11 @@ if [ "x$KVM_ENABLED" = "xyes" ]; then
>           exit 1;
>       fi
>       if [ -w /dev/kvm -a -r /dev/kvm ]; then
> -        SCRIPT_QEMU_OPT="$SCRIPT_QEMU_OPT -enable-kvm -cpu host"
> +        if [ "x$MACHINE" = "xqemux86" ]; then
> +            SCRIPT_QEMU_OPT="$SCRIPT_QEMU_OPT -enable-kvm -cpu kvm32"
> +        elif [ "x$MACHINE" = "xqemux86-64" ]; then
> +            SCRIPT_QEMU_OPT="$SCRIPT_QEMU_OPT -enable-kvm -cpu kvm64"
> +        fi
>           KVM_ACTIVE="yes"
>       else
>           echo "You have no rights on /dev/kvm."
>
>