From: Ruediger Meier <sweet_f_a@gmx.de>
To: Karel Zak <kzak@redhat.com>
Cc: Petr Uzel <petr.uzel@suse.cz>,
util-linux@vger.kernel.org, Mike Frysinger <vapier@gentoo.org>
Subject: Re: lscpu VMWARE bdoor patch
Date: Fri, 28 Oct 2016 00:06:36 +0200 [thread overview]
Message-ID: <201610280006.36584.sweet_f_a@gmx.de> (raw)
In-Reply-To: <20161027102515.qw47rdgn72qingfi@ws.net.home>
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?
What system are you using?
> 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?
cu,
Rudi
next prev parent reply other threads:[~2016-10-27 22:07 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-27 10:25 lscpu VMWARE bdoor patch Karel Zak
2016-10-27 22:06 ` Ruediger Meier [this message]
2016-11-02 12:30 ` Karel Zak
2016-11-03 7:04 ` Ruediger Meier
2016-11-03 9:41 ` Karel Zak
2016-11-10 4:14 ` Mike Frysinger
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