Re: [PATCH 2/7] KVM: nVMX: Move the checks for VM-Execution Control Fields to a separate helper function

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On 12/03/2018 01:06 PM, Jim Mattson wrote:
On Mon, Dec 3, 2018 at 12:24 PM Krish Sadhukhan
<krish.sadhukhan@xxxxxxxxxx> wrote:


On 12/03/2018 11:40 AM, Jim Mattson wrote:
On Fri, Nov 30, 2018 at 11:28 AM Krish Sadhukhan
<krish.sadhukhan@xxxxxxxxxx> wrote:
.. to improve readability and maintainability, and to align the code as per
the layout of the checks in chapter "VM Entries" in Intel SDM vol 3C.

Signed-off-by: Krish Sadhukhan <krish.sadhukhan@xxxxxxxxxx>
Reviewed-by: Mihai Carabas <mihai.carabas@xxxxxxxxxx>
Reviewed-by: Mark Kanda <mark.kanda@xxxxxxxxxx>
I'm not sure that you've accomplished your goal. For instance, the
very first bullet point under section 26.2.1.1: VM-Execution Control
Fields is:
o  Reserved bits in the pin-based VM-execution controls must be set properly.

Yet, you didn't move that check into nested_check_vm_execution_controls().
Are you referring to the following check ?

!vmx_control_verify(vmcs12->pin_based_vm_exec_control,
vmx->nested.msrs.pinbased_ctls_low,
vmx->nested.msrs.pinbased_ctls_high) ||
That's the one.

It is in nested_check_vm_execution_controls().  Am I missing something ?



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