From: Avi Kivity <avi@redhat.com>
To: Carsten Otte <cotte@de.ibm.com>
Cc: Marcelo Tossati <mtosatti@redhat.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Cornelia Huck <cornelia.huck@de.ibm.com>,
KVM <kvm@vger.kernel.org>,
Joachim von Buttlar <joachim_von_buttlar@de.ibm.com>,
Jens Freimann <jfrei@de.ibm.com>,
Constantin Werner <constantin.werner@de.ibm.com>
Subject: Re: [patch 01/12] [PATCH] kvm-s390: ioctl to switch to user controlled virtual machines
Date: Thu, 01 Dec 2011 15:31:50 +0200 [thread overview]
Message-ID: <4ED781C6.4010905@redhat.com> (raw)
In-Reply-To: <4ED77DD7.7090507@redhat.com>
On 12/01/2011 03:15 PM, Avi Kivity wrote:
>
> > +
> > + if (kvm->arch.gmap)
> > + gmap_free(kvm->arch.gmap);
> > +
> > + kvm->arch.gmap = NULL;
>
> Locking?
>
> What happens if a vcpu is created afterwards?
>
Having read the code, I think you can repurpose the argument of
KVM_CREATE_VM to be a vm type; with 0 being a normal vm, and 1 being
your new monster. The code already checks that the argument is zero, so
we're safe there.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2011-12-01 13:31 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-01 12:57 [patch 00/12] User controlled virtual machines Carsten Otte
2011-12-01 12:57 ` [patch 01/12] [PATCH] kvm-s390: ioctl to switch to user " Carsten Otte
2011-12-01 13:15 ` Avi Kivity
2011-12-01 13:31 ` Avi Kivity [this message]
2011-12-01 14:20 ` Martin Schwidefsky
2011-12-01 12:57 ` [patch 02/12] [PATCH] kvm-s390-ucontrol: per vcpu address spaces Carsten Otte
2011-12-01 13:19 ` Avi Kivity
2011-12-01 12:57 ` [patch 03/12] [PATCH] kvm-s390-ucontrol: export page faults to user Carsten Otte
2011-12-01 12:57 ` [patch 04/12] [PATCH] kvm-s390-ucontrol: export SIE control block " Carsten Otte
2011-12-01 13:25 ` Avi Kivity
2011-12-01 13:26 ` Avi Kivity
2011-12-01 13:59 ` Carsten Otte
2011-12-01 14:04 ` Avi Kivity
2011-12-01 12:57 ` [patch 05/12] [PATCH] kvm-s390-ucontrol: disable in-kernel handling of SIE intercepts Carsten Otte
2011-12-01 12:57 ` [patch 06/12] [PATCH] kvm-s390-ucontrol: disable in-kernel irq stack Carsten Otte
2011-12-01 12:57 ` [patch 07/12] [PATCH] kvm-s390-ucontrol: interface to inject faults on a vcpu page table Carsten Otte
2011-12-01 12:57 ` [patch 08/12] [PATCH] kvm-s390-ucontrol: disable sca Carsten Otte
2011-12-01 12:57 ` [patch 09/12] [PATCH] kvm-s390: fix assumption for KVM_MAX_VCPUS Carsten Otte
2011-12-01 12:57 ` [patch 10/12] [PATCH] kvm-s390: storage key interface Carsten Otte
2011-12-01 12:57 ` [patch 11/12] [PATCH] kvm-s390-ucontrol: announce capability for user controlled vms Carsten Otte
2011-12-01 12:57 ` [patch 12/12] From: Carsten Otte <cotte@de.ibm.com> Carsten Otte
2011-12-01 13:10 ` [patch 00/12] User controlled virtual machines Avi Kivity
2011-12-01 13:33 ` Avi Kivity
2011-12-02 11:52 ` Carsten Otte
-- strict thread matches above, loose matches on Subject: below --
2011-12-08 9:12 [patch 00/12] Ucontrol patchset V2 Carsten Otte
2011-12-08 9:12 ` [patch 01/12] [PATCH] kvm-s390: ioctl to switch to user controlled virtual machines Carsten Otte
2011-12-08 9:25 ` Sasha Levin
2011-12-08 9:27 ` Carsten Otte
2011-12-08 9:45 ` Avi Kivity
2011-12-08 9:53 ` Sasha Levin
2011-12-08 9:59 ` Avi Kivity
2011-12-08 10:18 ` Alexander Graf
2011-12-08 11:48 ` Carsten Otte
2011-12-08 13:16 ` Alexander Graf
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