On Wed, Dec 05, 2018 at 10:37:24PM +0000, Liam Merwick wrote:
> From: Liam Merwick <Liam.Merwick@oracle.com>
> 
> The x86/HVM direct boot ABI permits Qemu to be able to boot directly
> into the uncompressed Linux kernel binary without the need to run firmware.
> 
> 	https://xenbits.xen.org/docs/unstable/misc/pvh.html
> 
> This commit adds the header file that defines the start_info struct
> that needs to be populated in order to use this ABI.
> 
> Signed-off-by: Maran Wilson <Maran.Wilson@oracle.com>
> Signed-off-by: Liam Merwick <Liam.Merwick@oracle.com>
> Reviewed-by: Konrad Rzeszutek Wilk <Konrad.Wilk@oracle.com>
> ---
>  include/hw/xen/start_info.h | 146 ++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 146 insertions(+)
>  create mode 100644 include/hw/xen/start_info.h

Does it make sense to bring in Linux
include/xen/interface/hvm/start_info.h via QEMU's
include/standard-headers/?

QEMU has a script in scripts/update-linux-header.sh for syncing Linux
headers into include/standard-headers/.  This makes it easy to keep
Linux header files up-to-date.  We basically treat files in
include/standard-headers/ as auto-generated.

If you define start_info.h yourself without using
include/standard-headers/, then it won't be synced with Linux.