Re: [Xen-devel] [PATCH] libxl: check HVM direct boot parameters

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Thu, 2015-01-15 at 16:01 +0000, Wei Liu wrote:
> On Thu, Jan 15, 2015 at 03:11:42PM +0000, Wei Liu wrote:
> > We should honour -initrd and -append iff -kernel is specified, because
> > that's how QEMU works.
> > 
> > Check direct boot parameters in libxl__domain_build_info_setdefault.
> > Return failure if kernel is missing while ramdisk (-initrd) and / or
> > cmdline (-append) is present.
> > 
> > Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
> > Cc: Ian Campbell <ian.campbell@xxxxxxxxxx>
> > Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
> > Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> > Cc: Chunyan Liu <cyliu@xxxxxxxx>
> > ---
> >  tools/libxl/libxl_create.c |    9 +++++++++
> >  1 file changed, 9 insertions(+)
> > 
> > diff --git a/tools/libxl/libxl_create.c b/tools/libxl/libxl_create.c
> > index 1198225..31f681e 100644
> > --- a/tools/libxl/libxl_create.c
> > +++ b/tools/libxl/libxl_create.c
> > @@ -170,6 +170,15 @@ int libxl__domain_build_info_setdefault(libxl__gc *gc,
> >              break;
> >          default:abort();
> >          }
> > +
> > +        /* Check HVM direct boot parameters, we should honour ->ramdisk and
> > +         * ->cmdline iff ->kernel is set.
> > +         */
> > +        if (!b_info->kernel && (b_info->ramdisk || b_info->cmdline)) {
> > +            LIBXL__LOG(CTX, XLT_ERROR,
> > +                    "direct boot parameters specified but kernel is 
> > missing");
> 
> Hmm... There's a formatting error. I can resend if it's necessary.

In trying to correctly indent this line while committing I pushed it
over 80-columns, rather than my rewrapping more, could you make this use
the LOG helper please, and thereby pull everything in a bit?

With that done:
    Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

Ian.


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