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Re: [PATCH] libxl: User defined max_maptrack_frames in a stub domain



On Mon, Sep 14, 2020 at 04:27:45PM +0100, Andrew Cooper wrote:
> On 14/09/2020 15:50, Dmitry Fedorov wrote:
> > Hi,
> >
> > Implementing qrexec+usbip+qemu in Linux-based stub domain leads me to
> > an issue where a device model stub domain doesn't have maptrack entries.
> >
> > Would it be possible to apply a user defined max_maptrack_frames value
> > to dm_config in the same way as for max_grant_frames?
> >
> > Signed-off-by: Dmitry Fedorov <d.fedorov@xxxxxxxxx>
> 
> This looks entirely reasonable.
> 
> CC'ing the maintainers for their opinion.
> 

Looks fine to me.

Acked-by: Wei Liu <wl@xxxxxxx>

> ~Andrew
> 
> > ---
> >  tools/libxl/libxl_dm.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c
> > index f2dc5696b9..f044f2566c 100644
> > --- a/tools/libxl/libxl_dm.c
> > +++ b/tools/libxl/libxl_dm.c
> > @@ -2292,7 +2292,7 @@ void libxl__spawn_stub_dm(libxl__egc *egc,
> > libxl__stub_dm_spawn_state *sdss)
> >      dm_config->b_info.target_memkb = dm_config->b_info.max_memkb;
> >
> >      dm_config->b_info.max_grant_frames =
> > guest_config->b_info.max_grant_frames;
> > -    dm_config->b_info.max_maptrack_frames = 0;
> > +    dm_config->b_info.max_maptrack_frames =
> > guest_config->b_info.max_maptrack_frames;
> >
> >      dm_config->b_info.u.pv.features = "";
> >
> > -- 
> > 2.26.2
> >
> >
> 



 


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