Messages in this thread | | | Date | Wed, 18 Jun 2008 14:52:32 -0500 | From | Anthony Liguori <> | Subject | Re: Linux with kvm-intel locks up VMplayer guest is started |
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devzero@web.de wrote: > i`d like to give a comment about those claims in this thread (see below), vmware kernel part would be closed source or binary module. > > i think, they arenŽt. they just are not available via public/opensource code repository. > > just go and download workstation 6.5 beta from: > > http://download3.vmware.com/software/wkst/VMware-workstation-e.x.p-91182.i386.tar.gz > (you may need register for that) > > unpack and take a look at vmware-distrib/lib/modules/source - there is source for 6 independent kernel > modules in those .tar files: > > vmblock, vmci, vmmon, vmnet, vmppuser and vsock. (~3MB alltogether) >
vmmon is sort of a stub that loads the actual monitor which is a binary blob.
Regards,
Anthony Liguori
> regards > roland > > > ------------------------------------------------------------------------------------ > > >> i think what he's saying is that VMWare is a closed binary blob >> executing in the kernel; so there's no way to certify anything with >> this. >> > > >> as soon as you put some unknown (and unknowable, unverifiable, >> untrustable) code in the kernel, you can't know what will work and >> what won't. >> > > ------------------------------------------------------------------------------------ > > >> So ask vmware. They have source to both parts we don't." >> > > ------------------------------------------------------------------------------------ > > >> If the VMware code was upstream, then we could work together to make a >> software arbitration mechanism. It's not, and worse yet, it's closed >> source so there's no chance it will be. Even if someone wrote an >> arbitration mechanism and got VMware to use it, it still shouldn't be >> merged because KVM would be the only thing using that mechanism >> upstream. I'm not interested in adding kernel infrastructure to support >> external binary kernel modules. >> > > ------------------------------------------------------------------------------------ > > >> VMware is a binary kernel module that's out of kernel. KVM is not >> misbehaving and the fact that VMware breaks when the KVM module is >> loaded isn't our problem. If they submitted their code for inclusion in >> mainline, we could possibly come up with solution for arbitrating who is >> using VT. >> > > ------------------------------------------------------------------------------------ > > > _______________________________________________________________________ > Jetzt neu! Schützen Sie Ihren PC mit McAfee und WEB.DE. 30 Tage > kostenlos testen. http://www.pc-sicherheit.web.de/startseite/?mc=022220 > >
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