Messages in this thread | | | Date | Wed, 24 Sep 2008 09:19:19 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH 1/2] VMware guest detection for x86 and x86-64 |
| |
Yan Li wrote: > Detects whether we are running as a VMware guest or not. Detection is > based upon DMI vendor string. > > It provides a function: > int is_vmware_guest(void) > that can be used easily to detect if we are running as a VMware guest > or not. > > I haven't used PCI vendor Id since that requires copying a trunk of > codes from early_quirks() and I think copying code is not good. And > reusing codes from early_quirks() needs intrivial change to present > codes structure. Comparatively, checking "VMware" string against DMI > manufacturer is a lot more simpler (one-line code). Also there's no > evidence indicating that VMware will change their vendor string in > near future. Therefore I choose to use simpler way. > > Tested on x86 and x86-64 VMs and machines.
I'd like to make this a general VM platform detection subsystem. We have similar issues with Virtual PC, and again, DMI appears to be the sanest way to detect it -- at least to a primary screen.
-hpa
| |