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Re: [Xen-devel] QEMU PV guests and xenstore_parse_domain_config()

To: Pat Campbell <plc@xxxxxxxxxx>
Subject: Re: [Xen-devel] QEMU PV guests and xenstore_parse_domain_config()
From: "Daniel P. Berrange" <berrange@xxxxxxxxxx>
Date: Tue, 8 Jan 2008 20:31:02 +0000
Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
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On Tue, Jan 08, 2008 at 01:19:34PM -0700, Pat Campbell wrote:
> 
> New 3.2 QEMU PV guests are calling xenstore-parse_domain_config() opening 
> block devices and setting watches that might not be necessary.
> 
> Seems like each machine type should have it's own specific xenstore parse
> routine if it needs one.  
> 
> I have attached a patch that adds a xenstore parse pointer into the 
> QEMUMachine 
> struct.  main()  will call that machine specific function if set otherwise 
> calls 
> generic xenstore-parse_domain_config.  Attached patch is just something as a 
> starting point for discussion not something I propose be applied.

Since the xenstore_parse_domain_config method is doing stuff specific to
HVM guests, it shoudl really be moved out of vl.c and into the init method
for xenfv_machine.  vl.c should only contain generic code - this must be
something I missed when tidying up this code for the initial PV QEMU
support.

Dan.
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