Re: [Qemu-devel] in a device or CPU instance init/realize, can I rely on something having the BQL or equivalent?

[Peter Maydell]

On 8 December 2017 at 14:50, Igor Mammedov <address@hidden> wrote:
> On Fri, 8 Dec 2017 13:19:27 +0000
> Peter Maydell <address@hidden> wrote:
>
>> On 8 December 2017 at 13:16, Igor Mammedov <address@hidden> wrote:
>> > TBH:
>> >  I do not recall why we have x86 max/host cpu types do feature
>> >  loading at realize time instead of at class init like the rest
>> >  of static cpu types.
>>
>> class init is too early, IIRC -- it's before KVM has been set up at all.
>
> that shouldn't be an issue as kvm_ppc_register_host_cpu_type() demonstrates
> (i.e. an additional class init at kvm/tcg init time),
>
> so it might be some compat issue or just legacy approach why it
> havn't been rewritten to class_init for x86 the way PPC does.
> But Eduardo probably knows better if there is anything left that
> prevents using class init there.

Hmm. In any case, feel free to review
https://lists.gnu.org/archive/html/qemu-devel/2017-12/msg01225.html
and suggest changes if you think there's a better way of structuring
things.

thanks
-- PMM