[PATCH v3 15/62] KVM: SVM: Drop superfluous "cache" of AVIC Physical ID entry pointer

[Naveen N Rao]

On Wed, Jun 11, 2025 at 03:45:18PM -0700, Sean Christopherson wrote:
> Drop the vCPU's pointer to its AVIC Physical ID entry, and simply index
> the table directly.  Caching a pointer address is completely unnecessary
> for performance, and while the field technically caches the result of the
> pointer calculation, it's all too easy to misinterpret the name and think
> that the field somehow caches the _data_ in the table.
> 
> No functional change intended.
> 
> Suggested-by: Maxim Levitsky <mlevitsk at redhat.com>
> Tested-by: Sairaj Kodilkar <sarunkod at amd.com>
> Signed-off-by: Sean Christopherson <seanjc at google.com>
> ---
>  arch/x86/kvm/svm/avic.c | 27 +++++++++++++++------------
>  arch/x86/kvm/svm/svm.h  |  1 -
>  2 files changed, 15 insertions(+), 13 deletions(-)

Reviewed-by: Naveen N Rao (AMD) <naveen at kernel.org>

- Naveen