[libvirt] [PATCH] Do not drop kernel cmdline for xen pv domains
Jim Fehlig
jfehlig at novell.com
Thu Jul 7 16:20:54 UTC 2011
Daniel P. Berrange wrote:
> On Wed, Jul 06, 2011 at 07:36:26PM -0600, Jim Fehlig wrote:
>
>> Kernel cmdline args can be passed to xen pv domains even when a
>> bootloader is specified. The current config-to-sxpr mapping
>> ignores cmdline when bootloader is present.
>>
>> Since the xend sub-driver is used with many xen toolstack versions,
>> this patch takes conservative approach of adding an else block to
>> existing !def->os.bootloader, and only appends sxpr if def->os.cmdline
>> is non-NULL.
>> ---
>> src/xenxs/xen_sxpr.c | 6 ++++++
>> 1 files changed, 6 insertions(+), 0 deletions(-)
>>
>> diff --git a/src/xenxs/xen_sxpr.c b/src/xenxs/xen_sxpr.c
>> index 13ca015..bd770bc 100644
>> --- a/src/xenxs/xen_sxpr.c
>> +++ b/src/xenxs/xen_sxpr.c
>> @@ -2261,6 +2261,12 @@ xenFormatSxpr(virConnectPtr conn,
>> }
>>
>> virBufferAddLit(&buf, "))");
>> + } else {
>> + /* PV domains accept kernel cmdline args */
>> + if (def->os.cmdline) {
>> + virBufferEscapeSexpr(&buf, "(image (linux (args '%s')))",
>> + def->os.cmdline);
>> + }
>> }
>>
>
>
> ACK, assuming the test cases still pass - I'm surprised this
> doesn't require any testcase fixes
>
Shame on me for not running make check.
As you suspected, xml2sexpr disk-block-shareable test failed. I'll fix
it up, and new testcases for this patch, and post a v2.
Regards,
Jim
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