On Fri, Oct 28, 2016 at 12:06:36AM +0200, Ruediger Meier wrote:
> On Thursday 27 October 2016, Karel Zak wrote:
> > Hi,
> >
> > this is lscpu output on my machine:
> >
> > Virtualization: VT-x
> > Hypervisor vendor: VMware
> > Virtualization type: full
> >
> >
> > I have nothing like VMWARE. It seem the code (commit b7744730) does
> > not work as expected for non-root users. What about to add
>
> Have you checked whether the original code in b7744730 is alreaday
> broken? Not something about the later PIC/PIE patches?
It's Mike's PIC/PIE patch :-(
Maybe we can ifdef more precise and add getuid() check, if I good
understand Mike's commit message then the problem is 32bit system.
> What system are you using?
Fedora 24
# uname -a
Linux ws 4.7.7-200.fc24.x86_64 #1 SMP Sat Oct 8 00:21:59 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
> > if (getuid() != 0)
> > return 0;
> >
> > to the is_vmware_platform() function?
> >
> > Karel
>
> Yes, if it's broken for a "normal" system then we have to remove that.
> Though would be nice to know what exactly made it stop working.
>
> BTW this code is also in the kernel:
> arch/x86/kernel/cpu/vmware.c
>
> Can't we ask the kernel about vmware somehow?
There is something for 390 and Xen, but I don't see in kernel code
hypervisor_kobj (or something else) for VMware.
Karel
--
Karel Zak <kzak@xxxxxxxxxx>
http://karelzak.blogspot.com
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