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Re: [Xen-devel] [PATCH 2/5] libxl: strdup disk path before put it in qemu args array.



On Fri, 10 Dec 2010, Ian Campbell wrote:

> On Thu, 2010-12-09 at 19:42 +0000, anthony.perard@xxxxxxxxxx wrote:
> > From: Anthony PERARD <anthony.perard@xxxxxxxxxx>
> >
> > In libxl_build_device_model_args_new, the path to the disk image are
> > freeed before there was actually use to make the arguments list of Qemu.
> > The patch strdups it.
> > ---
> >  tools/libxl/libxl.c |   10 +++++-----
> >  1 files changed, 5 insertions(+), 5 deletions(-)
> >
> > diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
> > index 0feb93f..0f6e632 100644
> > --- a/tools/libxl/libxl.c
> > +++ b/tools/libxl/libxl.c
> > @@ -1256,9 +1256,9 @@ static char ** 
> > libxl_build_device_model_args_new(libxl__gc *gc,
> >      if (!dm_args)
> >          return NULL;
> >
> > -    flexarray_set(dm_args, num++, "qemu-system-xen");
> > -    flexarray_set(dm_args, num++, "-xen-domid");
> > +    flexarray_set(dm_args, num++, "qemu-dm");
>
> This bit doesn't seem to correspond to the patch description, was the
> change deliberate or did it slip in by mistake?

This change was deliberate. As this hunk don't really change anything, I
just don't explain it in the commit message. But I should have said the
following in the description.

Also it changes argv[0] of the device model from "qemu-system-xen" to
"qemu-dm".

I will resend the patch.

> (my kingdom for flexarray_append(...))

It will be too easy with this functions :)

-- 
Anthony PERARD

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