Re: [PATCH v2] x86/HVM: convert remaining hvm_funcs hook invocations to alt-call

[Andrew Cooper <amc96@xxxxxxxx>]

On 13/01/2022 17:02, Jan Beulich wrote:
> The aim being to have as few indirect calls as possible (see [1]),
> whereas during initial conversion performance was the main aspect and
> hence rarely used hooks didn't get converted. Apparently one use of
> get_interrupt_shadow() was missed at the time.
>
> While doing this, drop NULL checks ahead of CPU management and .nhvm_*()
> calls when the hook is always present. Also convert the
> .nhvm_vcpu_reset() call to alternative_vcall(), as the return value is
> unused and the caller has currently no way of propagating it.
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>