On Mon, 10 Feb 2014 01:23:37 +0100
Andreas Färber <afaerber(a)suse.de> wrote:
Am 31.01.2014 19:13, schrieb Eduardo Habkost:
> Register separate QOM classes for each x86 CPU model.
>
> This will allow management code to more easily probe what each CPU model
> provides, by simply creating objects using the appropriate class name,
> without having to restart QEMU.
>
> This also allows us to eliminate the qdev_prop_set_globals_for_type()
> hack to set CPU-model-specific global properties.
>
> Instead of creating separate class_init functions for each class, I just
> used class_data to store a pointer to the X86CPUDefinition struct for
> each CPU model. This should make the patch shorter and easier to review.
> Later we can gradually convert each X86CPUDefinition field to lists of
> per-class property defaults.
>
> Written based on the ideas from the patch "[RFC v5] target-i386: Slim
> conversion to X86CPU subclasses + KVM subclasses" written by Andreas
> Färber <afaerber(a)suse.de>, Igor Mammedov <imammedo(a)redhat.com>.
>
> The "host" CPU model is special, as the feature flags depend on KVM
> being initialized. So it has its own class_init and instance_init
> function, and feature flags are set on instance_init instead of
> class_init.
>
> Signed-off-by: Andreas Färber <afaerber(a)suse.de>
> Signed-off-by: Igor Mammedov <imammedo(a)redhat.com>
> Signed-off-by: Eduardo Habkost <ehabkost(a)redhat.com>
> ---
> This patch is similar to the one sent by Andrea and then later
> resubmitted by Igor as "[RFC v5] target-i386: Slim conversion to X86CPU
> subclasses + KVM subclasses", as it doesn't create one new class_init
> function for each subclass.
>
> Main differences v5 -> v6 are:
> * Code was written from scratch (instead of using the previous patches
> as base)
> * I didn't mean to rewrite it entirely, but when doing additional
> simplification of the CPU init logic on other patches, I ended up
> rewriting it.
> * I chose to keep the Signed-off-by lines because I built upon
> Andreas's and Igor's ideas. Is that OK?
Yes, your From and our Sobs in order is the expected way in this case.
If Igor agrees I would propose to drop the textual repetition of this.
I'm ok
with it, but it doesn't matter since this part is under ---, so
it's dropped at commit time anyway.