Eric Van Hensbergen wrote: > On 5/22/07, Avi Kivity <[EMAIL PROTECTED]> wrote: >> Anthony Liguori wrote: >> >> >> >> In a PV environment why not just pass an initial cookie/hash/whatever >> >> as a command-line argument/register/memory-space to the underlying >> >> kernel? >> >> >> > >> > You can't pass a command line argument to Windows (at least, not >> easily >> > AFAIK). You could get away with an MSR/CPUID flag but then you're >> > relying on uniqueness which isn't guaranteed. >> > >> >> In the general case, you can't pass a command line argument to Linux >> either. kvm doesn't boot Linux; it boots the bios, which boots the boot >> sector, which boots grub, which boots Linux. Relying on the user to >> edit the command line in grub is wrong. >> > > I didn't think we were talking about the general case, I thought we > were discussing the PV case.
It is still useful to use PV drivers with full virtualization so it's something that ought to be considered. Regards, Anthony Liguori > In the PV case, having bios/bootloader > is unnecessary overhead. To that same end, I don't see Windows in the > PV case unless they magically want to to coordinate PV standards with > us, in which case we certainly can negotiate a more sane discovery > mechanism. > > -eric > ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel