Re: [PATCH v2 0/3] Reduce the size of the vmcs_field_to_offset_table

[Paolo Bonzini <pbonzini@redhat.com>]

On 22/12/2017 21:09, Jim Mattson wrote:
> The vmcs_field_to_offset_table is quite sparse, with its size determined
> by the highest VMCS field encoding (0x6c16 for HOST_RIP). To support multiple
> VMCS12 formats, we will need multiple vmcs_field_to_offset_tables, and
> it would be a shame to replicate this sparse table.
> 
> Patches 1 and 2 are no longer necessary for v2, but I'm going to leave them
> in the patch set, because I still think they are worthwhile.
> 
> Jim Mattson (3):
>   kvm: vmx: Introduce VMCS12_MAX_FIELD_INDEX
>   kvm: vmx: Change vmcs_field_type to vmcs_field_width
>   kvm: vmx: Reduce size of vmcs_field_to_offset_table
> 
>  arch/x86/kvm/vmx.c | 86 +++++++++++++++++++++++++++++++-----------------------
>  1 file changed, 49 insertions(+), 37 deletions(-)
> 

Looks good, I'll queue it shortly (after I look a bit more into
Wanpeng's report).

Paolo