Marek Marczykowski-Górecki wrote:
> Signed-off-by: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
> ---
> src/libxl/libxl_conf.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/src/libxl/libxl_conf.c b/src/libxl/libxl_conf.c
> index 8ec3c75..d78d2b2 100644
> --- a/src/libxl/libxl_conf.c
> +++ b/src/libxl/libxl_conf.c
> @@ -735,6 +735,14 @@ libxlMakeDomBuildInfo(virDomainDefPtr def,
> libxl_defbool_set(&b_info->device_model_stubdomain,
> def->stubdomain == VIR_TRISTATE_BOOL_YES);
>
> + if (def->os.cmdline && def->os.cmdline[0]) {
> + b_info->extra_hvm = virStringSplit(def->os.cmdline, " ", 0);
>
What is the difference between b_info->extra_hvm and b_info->cmdline?
How are these two reconciled in libxl? I.e., what if they contained
different values? Chunyan added the latter with xen commit 11dffa235
when implementing hvm direct kernel boot. She also submitted a patch
for libvirt
https://www.redhat.com/archives/libvir-list/2014-September/msg01006.html
I reworked that patch to support the recent breakout of xl and xm config
in src/xenconfig. While doing so, I fixed other <os> related issues and
posted this series
https://www.redhat.com/archives/libvir-list/2015-March/msg01088.html
Patch 5 in that series supports <cmdline> for HVM guests, but only if
LIBXL_HAVE_BUILDINFO_KERNEL is defined (introduced in Xen4.5 IIRC). Do
we need to populate both b_info->extra_hvm and b_info->cmdline?
Regards,
Jim
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