On 2013-04-30 14:42, Jan Kiszka wrote:
On 2013-04-30 13:46, Gleb Natapov wrote:
On Sun, Apr 28, 2013 at 12:20:38PM +0200, Jan Kiszka wrote:
On 2013-02-23 22:35, Jan Kiszka wrote:
From: Jan Kiszka jan.kis...@siemens.com
Likely a typo, but a fatal one as kvm_set_cr0 performs checks on the
On Sun, Apr 28, 2013 at 12:20:38PM +0200, Jan Kiszka wrote:
On 2013-02-23 22:35, Jan Kiszka wrote:
From: Jan Kiszka jan.kis...@siemens.com
Likely a typo, but a fatal one as kvm_set_cr0 performs checks on the
state transition that may prevent loading L1's cr0.
Signed-off-by: Jan
On 2013-04-30 13:46, Gleb Natapov wrote:
On Sun, Apr 28, 2013 at 12:20:38PM +0200, Jan Kiszka wrote:
On 2013-02-23 22:35, Jan Kiszka wrote:
From: Jan Kiszka jan.kis...@siemens.com
Likely a typo, but a fatal one as kvm_set_cr0 performs checks on the
state transition that may prevent loading
On 2013-02-23 22:35, Jan Kiszka wrote:
From: Jan Kiszka jan.kis...@siemens.com
Likely a typo, but a fatal one as kvm_set_cr0 performs checks on the
state transition that may prevent loading L1's cr0.
Signed-off-by: Jan Kiszka jan.kis...@siemens.com
---
arch/x86/kvm/vmx.c |2 +-
1
On 2013-02-23 23:21, Jan Kiszka wrote:
On 2013-02-23 22:57, Jan Kiszka wrote:
On 2013-02-23 22:45, Nadav Har'El wrote:
On Sat, Feb 23, 2013, Jan Kiszka wrote about [PATCH] KVM: nVMX: Replace
kvm_set_cr0 with vmx_set_cr0 in load_vmcs12_host_state:
- kvm_set_cr0(vcpu, vmcs12-host_cr0
On Sat, Feb 23, 2013 at 11:57 PM, Jan Kiszka jan.kis...@web.de wrote:
On 2013-02-23 22:45, Nadav Har'El wrote:
On Sat, Feb 23, 2013, Jan Kiszka wrote about [PATCH] KVM: nVMX: Replace
kvm_set_cr0 with vmx_set_cr0 in load_vmcs12_host_state:
-kvm_set_cr0(vcpu, vmcs12-host_cr0
On 2013-02-24 09:56, Avi Kivity wrote:
On Sat, Feb 23, 2013 at 11:57 PM, Jan Kiszka jan.kis...@web.de wrote:
On 2013-02-23 22:45, Nadav Har'El wrote:
On Sat, Feb 23, 2013, Jan Kiszka wrote about [PATCH] KVM: nVMX: Replace
kvm_set_cr0 with vmx_set_cr0 in load_vmcs12_host_state
On Sun, Feb 24, 2013 at 11:01 AM, Jan Kiszka jan.kis...@web.de wrote:
On 2013-02-24 09:56, Avi Kivity wrote:
On Sat, Feb 23, 2013 at 11:57 PM, Jan Kiszka jan.kis...@web.de wrote:
On 2013-02-23 22:45, Nadav Har'El wrote:
On Sat, Feb 23, 2013, Jan Kiszka wrote about [PATCH] KVM: nVMX: Replace
wrote about [PATCH] KVM: nVMX: Replace
kvm_set_cr0 with vmx_set_cr0 in load_vmcs12_host_state:
-kvm_set_cr0(vcpu, vmcs12-host_cr0);
+vmx_set_cr0(vcpu, vmcs12-host_cr0);
I don't remember now why I did this (and I'm not looking at the code),
but this you'll need to really test carefully
On Sun, Feb 24, 2013 at 11:40 AM, Jan Kiszka jan.kis...@web.de wrote:
We have the same problem in KVM_SET_SREGS.
I don't see the problem. kvm_arch_vcpu_ioctl_set_sregs open-codes the
state update, not applying any transition checks.
That's the problem. We have this open coding in three
On 2013-02-24 11:11, Avi Kivity wrote:
On Sun, Feb 24, 2013 at 11:40 AM, Jan Kiszka jan.kis...@web.de wrote:
We have the same problem in KVM_SET_SREGS.
I don't see the problem. kvm_arch_vcpu_ioctl_set_sregs open-codes the
state update, not applying any transition checks.
That's the problem.
On Sun, Feb 24, 2013 at 12:49 PM, Jan Kiszka jan.kis...@web.de wrote:
On 2013-02-24 11:11, Avi Kivity wrote:
On Sun, Feb 24, 2013 at 11:40 AM, Jan Kiszka jan.kis...@web.de wrote:
We have the same problem in KVM_SET_SREGS.
I don't see the problem. kvm_arch_vcpu_ioctl_set_sregs open-codes the
On 2013-02-24 19:56, Avi Kivity wrote:
On Sun, Feb 24, 2013 at 12:49 PM, Jan Kiszka jan.kis...@web.de wrote:
On 2013-02-24 11:11, Avi Kivity wrote:
On Sun, Feb 24, 2013 at 11:40 AM, Jan Kiszka jan.kis...@web.de wrote:
We have the same problem in KVM_SET_SREGS.
I don't see the problem.
On Sun, Feb 24, 2013 at 9:15 PM, Jan Kiszka jan.kis...@web.de wrote:
They all need consistency checks, otherwise userspace or the guest and
inject inconsistent values and perhaps exploit the host.
To my understanding, the hardware does this for us: If we try to enter
the guest (L1, L2) with
From: Jan Kiszka jan.kis...@siemens.com
Likely a typo, but a fatal one as kvm_set_cr0 performs checks on the
state transition that may prevent loading L1's cr0.
Signed-off-by: Jan Kiszka jan.kis...@siemens.com
---
arch/x86/kvm/vmx.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
On Sat, Feb 23, 2013, Jan Kiszka wrote about [PATCH] KVM: nVMX: Replace
kvm_set_cr0 with vmx_set_cr0 in load_vmcs12_host_state:
- kvm_set_cr0(vcpu, vmcs12-host_cr0);
+ vmx_set_cr0(vcpu, vmcs12-host_cr0);
I don't remember now why I did this (and I'm not looking at the code
On 2013-02-23 22:45, Nadav Har'El wrote:
On Sat, Feb 23, 2013, Jan Kiszka wrote about [PATCH] KVM: nVMX: Replace
kvm_set_cr0 with vmx_set_cr0 in load_vmcs12_host_state:
-kvm_set_cr0(vcpu, vmcs12-host_cr0);
+vmx_set_cr0(vcpu, vmcs12-host_cr0);
I don't remember now why I did
On 2013-02-23 22:57, Jan Kiszka wrote:
On 2013-02-23 22:45, Nadav Har'El wrote:
On Sat, Feb 23, 2013, Jan Kiszka wrote about [PATCH] KVM: nVMX: Replace
kvm_set_cr0 with vmx_set_cr0 in load_vmcs12_host_state:
- kvm_set_cr0(vcpu, vmcs12-host_cr0);
+ vmx_set_cr0(vcpu, vmcs12-host_cr0);
I
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