Re: [Qemu-devel] QEMU/pc and scsi disks

[Chris Wilson]

Hi Avi,

On Sun, 4 Mar 2007, Avi Kivity wrote:
> Anthony Liguori wrote:
> >  I think we should still provide the ability to set the most common 
> >  options via the command line.  I'm also fine with specifying single 
> >  options on the command line.  I suspect though that being able to do 
> >  -config - is more useful for management tools than building large 
> >  strings of command line options.
>
> Out of curiosity, why?  If the options are store in some database, as is 
> likely, surely it is easier to generate a longish command line than to 
> generate a unique name for a file, remove it if it already exists, write out 
> the data, launch qemu, and clean up the file later?  And for migration, you 
> have to regenerate it, since some options may have changed (cdrom media).

I think Anthony was suggesting that "-config -" would read the config from 
standard input, avoiding the need for any temporary file, and also 
avoiding any command-line length limits on any platforms (Win32 is 
unlikely to accept as much as Linux).

Cheers, Chris.
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