On 13/06/2018 07:05, Thomas Huth wrote:
> We've got three ways of enabling an accelerator: -machine accel=xyz,
> -accel xyz and -enable-xyz. For new QEMU users, this must be very
> confusing ("Which one do I have to use? Is there a difference between
> the options?"). While -enable-kvm was useful in the past, there is no
> real good reason for using it anymore today ("-accel kvm" is even less
> to type than "-enable-kvm"), so let's decrease the confusing amount of
> options in our documenation a little bit by removing the -enable-xyz
> here. Note that the option itself is neither removed nor marked as
> deprecated - since -enable-kvm is likely used in a lot of scripts and
> since its code is easy to maintain, we should keep it around to avoid
> to break old setups.
>
> Signed-off-by: Thomas Huth <th...@redhat.com>
> ---
> PS: I guess Paolo won't like this patch ... let's try it anyway ;-)
Heh. I'm not sure actually. I'm more in favor of introducing an
"Obsolete options" section and putting it there.
Paolo
> qemu-options.hx | 22 ++++------------------
> 1 file changed, 4 insertions(+), 18 deletions(-)
>
> diff --git a/qemu-options.hx b/qemu-options.hx
> index 0ec9cac..f33a81e 100644
> --- a/qemu-options.hx
> +++ b/qemu-options.hx
> @@ -3414,25 +3414,11 @@ STEXI
> Set the filename for the BIOS.
> ETEXI
>
> -DEF("enable-kvm", 0, QEMU_OPTION_enable_kvm, \
> - "-enable-kvm enable KVM full virtualization support\n",
> QEMU_ARCH_ALL)
> -STEXI
> -@item -enable-kvm
> -@findex -enable-kvm
> -Enable KVM full virtualization support. This option is only available
> -if KVM support is enabled when compiling.
> -ETEXI
> +HXCOMM -accel kvm should be used instead, thus this is not documented anymore
> +DEF("enable-kvm", 0, QEMU_OPTION_enable_kvm, "", QEMU_ARCH_ALL)
>
> -DEF("enable-hax", 0, QEMU_OPTION_enable_hax, \
> - "-enable-hax enable HAX virtualization support\n", QEMU_ARCH_I386)
> -STEXI
> -@item -enable-hax
> -@findex -enable-hax
> -Enable HAX (Hardware-based Acceleration eXecution) support. This option
> -is only available if HAX support is enabled when compiling. HAX is only
> -applicable to MAC and Windows platform, and thus does not conflict with
> -KVM.
> -ETEXI
> +HXCOMM -accel hax should be used instead, thus this is not documented anymore
> +DEF("enable-hax", 0, QEMU_OPTION_enable_hax, "", QEMU_ARCH_I386)
>
> DEF("xen-domid", HAS_ARG, QEMU_OPTION_xen_domid,
> "-xen-domid id specify xen guest domain id\n", QEMU_ARCH_ALL)
>
