On Thu, May 02, 2013 at 01:24:15AM +0200, Alexander Graf wrote:
>
> On 27.04.2013, at 02:53, Scott Wood wrote:
>
> > Nobody is actually calling these functions with slots_lock held.
> > The srcu read lock, OTOH, is required.
> >
> > Signed-off-by: Scott Wood <scottwood@xxxxxxxxxxxxx>
>
> Marcelo, could you please ack?
>
Is something in the series depends on this patch? If not this should go
directly into kvm.git, not via ppc tree.
>
> Alex
>
> > ---
> > virt/kvm/kvm_main.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> > index 5da9f02..54a14fa 100644
> > --- a/virt/kvm/kvm_main.c
> > +++ b/virt/kvm/kvm_main.c
> > @@ -2828,7 +2828,7 @@ static int kvm_io_bus_get_first_dev(struct kvm_io_bus *bus,
> > return off;
> > }
> >
> > -/* kvm_io_bus_write - called under kvm->slots_lock */
> > +/* kvm_io_bus_write - called under kvm->srcu read lock */
> > int kvm_io_bus_write(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
> > int len, const void *val)
> > {
> > @@ -2856,7 +2856,7 @@ int kvm_io_bus_write(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
> > return -EOPNOTSUPP;
> > }
> >
> > -/* kvm_io_bus_read - called under kvm->slots_lock */
> > +/* kvm_io_bus_read - called under kvm->srcu read lock */
> > int kvm_io_bus_read(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
> > int len, void *val)
> > {
> > --
> > 1.7.10.4
> >
> >
> > --
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--
Gleb.
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