Re: [PATCH v2 0/3] drop writes to read-only ram device & vfio regions

[Yan Zhao]

On Fri, Apr 03, 2020 at 08:53:12PM +0800, Peter Maydell wrote:
> On Fri, 3 Apr 2020 at 09:13, Yan Zhao <address@hidden> wrote:
> >
> > patch 1 modifies handler of ram device memory regions to drop guest writes
> > to read-only ram device memory regions
> >
> > patch 2 modifies handler of non-mmap'd read-only vfio regions to drop guest
> > writes to those regions
> >
> > patch 3 let mmap'd read-only vfio regions be able to generate vmexit for
> > guest write. so, without patch 1, host qemu would crash on guest write to
> > this read-only region. with patch 1, host qemu would drop the writes.
> 
> Just FYI, there seems to be a minor clock or timezone issue with
> however you're sending these emails: the Date header you
> sent reads "Date: Fri, 3 Apr 2020 16:56:57 +0000" but that
> time in the UTC +0000 timezone is (as I write this) still several
> hours in the future. This isn't a big deal but you probably want
> to look into fixing it.
> 
> (Noticed because the wrong-date makes your patches stick to
> the top of the https://patchew.org/QEMU/ list even after other
> patches arrive after them.)
>
thanks for informing of it! will pay attention to it.
Thanks
Yan