From: Peter Zijlstra
Per Peter:
"Intel PEBS in VT-x context uses the DS address as a guest linear address,
even though its programmed by the host as a host linear address. This
either results in guest memory corruption and or the hardware faulting and
'crashing' the virtual machine. Ther
Em Wed, Sep 12, 2012 at 10:33:36PM -0600, David Ahern escreveu:
> On 9/12/12 8:38 PM, Namhyung Kim wrote:
> >I see a whitespace problem here. :)
>
> grr an extra freaking tab.
As people say down here, it happens, even in the best families... :-P
- Arnaldo
$ shutdown now tho
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On 9/12/12 8:38 PM, Namhyung Kim wrote:
Hi David,
On Wed, 12 Sep 2012 09:16:29 -0600, David Ahern wrote:
From: Peter Zijlstra
Per Peter:
"Intel PEBS in VT-x context uses the DS address as a guest linear address,
even though its programmed by the host as a host linear address. This
ei
Hi David,
On Wed, 12 Sep 2012 09:16:29 -0600, David Ahern wrote:
> From: Peter Zijlstra
>
> Per Peter:
> "Intel PEBS in VT-x context uses the DS address as a guest linear address,
> even though its programmed by the host as a host linear address. This
> either results in guest memory corrup
From: Peter Zijlstra
Per Peter:
"Intel PEBS in VT-x context uses the DS address as a guest linear address,
even though its programmed by the host as a host linear address. This
either results in guest memory corruption and or the hardware faulting and
'crashing' the virtual machine. Ther
On Mon, 2012-09-10 at 10:40 -0600, David Ahern wrote:
> From: Peter Zijlstra
>
> See https://lkml.org/lkml/2012/7/9/298
Expanding that a little would be so much better.. take some of the reply
to 1/3 on why we have to enforce a strict exclude_guest.
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From: Peter Zijlstra
See https://lkml.org/lkml/2012/7/9/298
Signed-off-by: David Ahern
Cc: Ingo Molnar
Cc: Peter Zijlstra
Cc: Robert Richter
Cc: Gleb Natapov
Cc: Avi Kivity
---
arch/x86/kernel/cpu/perf_event.c |6 ++
1 file changed, 6 insertions(+)
diff --git a/arch/x86/kernel/cp
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