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SubjectRe: [PATCH v2 1/2] PCI: hv: Replace hv_vp_set with hv_vpset
On Mon, Jan 28, 2019 at 09:49:32PM -0800, Maya Nakamura wrote:
> On Sun, Jan 27, 2019 at 05:11:48AM +0000, Michael Kelley wrote:
> > From: Maya Nakamura <m.maya.nakamura@gmail.com> Sent: Saturday, January 26, 2019 12:52 AM
> > >
> > > Remove a duplicate definition of VP set (hv_vp_set) and use the common
> > > definition (hv_vpset) that is used in other places.
> > >
> > > Change the order of the members in struct hv_pcibus_device so that the
> > > declaration of retarget_msi_interrupt_params is the last member. Struct
> > > hv_vpset, which contains a flexible array, is nested two levels deep in
> > > struct hv_pcibus_device via retarget_msi_interrupt_params.
> > >
> > > Add a comment that retarget_msi_interrupt_params should be the last member
> > > of struct hv_pcibus_device.
> > >
> > > Signed-off-by: Maya Nakamura <m.maya.nakamura@gmail.com>
> > > ---
> > > Change in v2:
> > > - None
> > >
> >
> > Right -- there was no code change. But it's customary to note that
> > you updated the commit message.
> >
> Thank you for your feedback. I will edit the change log in v3.
>
> > Reviewed-by: Michael Kelley <mikelley@microsoft.com>

Are you really sure there is no behavioural change ? What piece of
code allocates hv_vpset.bank_contents[] memory with this patch applied ?

I suspect the current code does not use hv_vpset for this specific
reason, ie allocate struct hv_vp_set.masks array memory statically.

Lorenzo

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