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Re: [libvirt] [PATCH V2] Do not drop kernel cmdline for xen pv domains



On 07/07/2011 05:37 PM, Jim Fehlig wrote:
> 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.
>>
>> V2: Fix existing testcase broken by this patch and add new testcases
>>   
> 
> Hmm, now domainschematest is failing
> 
> on these two xml files. If I'm reading domain.rng correctly, kernel must
> be specified?? Can it be optional like initrd and cmdline?

Reading domain_conf.c agrees with that interpretation.  I would be fine
with you squashing this in:

diff --git i/docs/schemas/domain.rng w/docs/schemas/domain.rng
index c01801e..b659da9 100644
--- i/docs/schemas/domain.rng
+++ w/docs/schemas/domain.rng
@@ -553,9 +553,11 @@
   </define>
   <define name="osbootkernel">
     <interleave>
-      <element name="kernel">
-        <ref name="absFilePath"/>
-      </element>
+      <optional>
+        <element name="kernel">
+          <ref name="absFilePath"/>
+        </element>
+      </optional>
       <optional>
         <element name="initrd">
           <ref name="absFilePath"/>

ACK, once you fix that and address Matthias' comment about spacing in
the .xml file:

>> +    <cmdline> xenfb.video=8,1280,1024 </cmdline>

-- 
Eric Blake   eblake redhat com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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