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Re: [Qemu-devel] [PATCH RFC V2 4/4] Add virtv2 machine that uses GIC-500
From: |
Pavel Fedin |
Subject: |
Re: [Qemu-devel] [PATCH RFC V2 4/4] Add virtv2 machine that uses GIC-500 |
Date: |
Mon, 25 May 2015 10:42:25 +0300 |
Hello!
> I accept that virtv2 is not needed and I'm currently using Pavel's patch
> https://lists.gnu.org/archive/html/qemu-devel/2015-05/msg02930.html with small
> modifications.
> However If there is a consensus I'll move to Ashok's virt instead of Pavel's
> one.
>
> I'm looking forward for a decision regarding which virt is to be used.
I have just tried Ashok's approach and unfortunately it does not work well.
The problem
is mc->max_cpus. Ashok's patch does not do anything with it because he seemed
to be
satisfied with the maximum of 8. And it looks like CPU number limitation is
evaluated
before machine is instantiated and properties are evaluated. I tried to change
this value
inside virt_set_gic_version() (see Ashok's code), but it simply does not work,
and i still
get " Maximum CPUs greater than specified machine type limit" from qemu.
I believe there can be some fix, but it seems to require much more changes
than simply
subclassing a machine. Does it worth that? And, by the way, libvirt has now
added
recognition of "virt-" prefix too.
Kind regards,
Pavel Fedin
Expert Engineer
Samsung Electronics Research center Russia
- [Qemu-devel] [PATCH RFC V2 4/4] Add virtv2 machine that uses GIC-500, (continued)
- [Qemu-devel] [PATCH RFC V2 4/4] Add virtv2 machine that uses GIC-500, shlomopongratz, 2015/05/06
- Re: [Qemu-devel] [PATCH RFC V2 4/4] Add virtv2 machine that uses GIC-500, Pavel Fedin, 2015/05/07
- Re: [Qemu-devel] [PATCH RFC V2 4/4] Add virtv2 machine that uses GIC-500, Shlomo Pongratz, 2015/05/07
- Re: [Qemu-devel] [PATCH RFC V2 4/4] Add virtv2 machine that uses GIC-500, Pavel Fedin, 2015/05/07
- Re: [Qemu-devel] [PATCH RFC V2 4/4] Add virtv2 machine that uses GIC-500, Shlomo Pongratz, 2015/05/07
- Re: [Qemu-devel] [PATCH RFC V2 4/4] Add virtv2 machine that uses GIC-500, Pavel Fedin, 2015/05/07
- Re: [Qemu-devel] [PATCH RFC V2 4/4] Add virtv2 machine that uses GIC-500, Pavel Fedin, 2015/05/07
- Re: [Qemu-devel] [PATCH RFC V2 4/4] Add virtv2 machine that uses GIC-500, Shlomo Pongratz, 2015/05/07
Re: [Qemu-devel] [PATCH RFC V2 4/4] Add virtv2 machine that uses GIC-500, Eric Auger, 2015/05/19
Re: [Qemu-devel] [PATCH RFC V2 4/4] Add virtv2 machine that uses GIC-500, Pavel Fedin, 2015/05/25