[PATCH 4/4] kexec/xen: directly load images images into Xen

[Daniel Kiper]

On Tue, Nov 19, 2013 at 10:20:14AM +0900, Simon Horman wrote:
> On Wed, Nov 06, 2013 at 02:55:22PM +0000, David Vrabel wrote:
> > From: David Vrabel <david.vrabel at citrix.com>
> >
> > Xen 4.4 has an improvided kexec hypercall ABI that allows images to be
> > loaded and executed without any kernel involvement.  Use the API
> > provided by libxc to load images when running in a Xen guest.
> >
> > Support for loading images via the kexec_load syscall in non-upstream
> > ("classic") Xen kernels is no longer supported.
> >
> > Signed-off-by: David Vrabel <david.vrabel at citrix.com>
> > Reviewed-by: Daniel Kiper <daniel.kiper at oracle.com>
> > ---
> >  kexec/Makefile                  |    1 +
> >  kexec/arch/i386/crashdump-x86.c |   20 +++++-
> >  kexec/crashdump-xen.c           |   34 ++++++++++
> >  kexec/crashdump.h               |    3 +-
> >  kexec/kexec-xen.c               |  139 +++++++++++++++++++++++++++++++++++++++
> >  kexec/kexec.c                   |   24 +++++--
> >  kexec/kexec.h                   |    5 ++
> >  7 files changed, 218 insertions(+), 8 deletions(-)
> >  create mode 100644 kexec/kexec-xen.c
> >

[...]

> I have applied the following follow-up patch to resolves some errors.
> Let me know if I messed it up.
>
> From: Simon Horman <horms at verge.net.au>
>
> [PATCH] kexec/xen: Correct some compile errors
>
> Correct various problems introduced by
> 08cf823704b0fa3b ("kexec/xen: directly load images images into Xen").
>
> These all relate to the case here HAVE_LIBXENCTRL is not set.
>
> Signed-off-by: Simon Horman <horms at verge.net.au>
> ---
>  kexec/kexec-xen.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/kexec/kexec-xen.c b/kexec/kexec-xen.c
> index 77f65c0..e885246 100644
> --- a/kexec/kexec-xen.c
> +++ b/kexec/kexec-xen.c
> @@ -2,6 +2,7 @@
>  #include <stdio.h>
>  #include <string.h>
>  #include <stdlib.h>
> +#include <stdlib.h>

Thanks for fixes but why are you including stdlib.h twice?

Daniel