Re: [PATCH] qemu-xen: fix unmapping logic in hw/xen_console.c

[Wei Liu <liuw@liuw.name>]

On Wed, 2011-06-08 at 11:54 +0100, Stefano Stabellini wrote:
> On Wed, 8 Jun 2011, Wei Liu wrote:
> > This is a patch for qemu-xen. Don't know if it is the right place to
> > post.
> > 
> 
> it is the right place
> 
> 
> > It has been fixed in upstream QEMU.
> > 
> 
> The patch looks sensible but I tried to find it in upstream QEMU and I
> couldn't. Where is the original patch you are referring to?
> 

Sorry if I got you confused. Here by "upstream" I mean Anthony's
xenpv-support branch.

The commit is b1999dfdad84d1204a03bc5e7d0405255a6a7cf8 .

> 
> > ------8<----------------
> > commit 28ec10ef3ff22873cd3f1b703d3aecbc93cbf680
> > Author: Wei Liu <liuw@liuw.name>
> > Date:   Wed Jun 8 17:40:02 2011 +0800
> > 
> >     qemu-xen: fix unmapping logic in hw/xen_console.c.
> >     
> >     Signed-off-by: Wei Liu <liuw@liuw.name>
> > 
> > diff --git a/hw/xen_console.c b/hw/xen_console.c
> > index 0a2374c..d7099c4 100644
> > --- a/hw/xen_console.c
> > +++ b/hw/xen_console.c
> > @@ -258,7 +258,7 @@ static void con_disconnect(struct XenDevice *xendev)
> >      xen_be_unbind_evtchn(&con->xendev);
> >  
> >      if (con->sring) {
> > -        if (!xendev->dev)
> > +        if (!xendev->gnttabdev)
> >  	    munmap(con->sring, XC_PAGE_SIZE);
> >          else
> >              xc_gnttab_munmap(xendev->gnttabdev, con->sring, 1);
> > 
> > 
> > 
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> > Xen-devel@lists.xensource.com
> > http://lists.xensource.com/xen-devel
> >