Re: [PATCH] nVMX: Keep arch.pat in sync on L1-L2 switches

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On 2013-08-05 04:19, Arthur Chunqi Li wrote:
> On Sun, Aug 4, 2013 at 11:17 PM, Jan Kiszka <jan.kiszka@xxxxxx> wrote:
>> From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
>>
>> When asking vmx to load the PAT MSR for us while switching from L1 to L2
>> or vice versa, we have to update arch.pat as well as it may later be
>> used again to load or read out the MSR content.
>>
>> Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
>> ---
>>
>> Arthur, please add your tested-by also officially.
> This patch is generally good expect that we need to add
> VM_EXIT_LOAD_IA32_PAT/VM_EXIT_SAVE_IA32_PAT to
> nested_vmx_exit_ctls_high in function nested_vmx_setup_ctls_msrs() to
> enable these two features. Currently only VM_ENTRY_LOAD_IA32_PAT is
> enabled while all three are implemented.

Yes, feel free to follow up with a corresponding patch.

Jan


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