On Fri, Feb 25, 2011 at 10:29:38AM +0200, Michael S. Tsirkin wrote:
> On Fri, Feb 25, 2011 at 02:28:02PM +0800, Sheng Yang wrote:
> > On Thursday 24 February 2011 18:45:08 Michael S. Tsirkin wrote:
> > > On Thu, Feb 24, 2011 at 05:51:04PM +0800, Sheng Yang wrote:
> > > > Then we can support mask bit operation of assigned devices now.
> > > >
> > > > Signed-off-by: Sheng Yang <sheng@xxxxxxxxxxxxxxx>
> > >
> > > Doesn't look like all comments got addressed.
> > > E.g. gpa_t entry_base is still there and in reality
> > > you said it's a host virtual address so
> > > should be void __user *;
> >
> > Would update it.
> >
> > > And ENOTSYNC meaning 'MSIX' is pretty hacky.
> >
> > I'd like to discuss it later. We may need some work on all MMIO handling side to
> > make it more straightforward. But I don't want to bundle it with this one...
>
> It's not PCI related so I'll defer to Avi/Marcelo on this.
> Are you guys happy with the ENOTSYNC meaning 'MSIX'
What would be a better alternative to ENOTSYNC? Can't see any.
> and userspace_exit_needed hacks in this code?
I thought this was handled by mmio_needed in a previous patch?
Since x86_emulate_instruction does
} else if (vcpu->mmio_needed) {
if (vcpu->mmio_is_write)
vcpu->mmio_needed = 0;
r = EMULATE_DO_MMIO;
It should be fine. Sheng why did you introduce userspace_exit_needed?
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