Re: [PATCH v2 1/4] tracing/histogram: Optimize division by constants

[Steven Rostedt]

On Fri, 29 Oct 2021 11:53:16 -0700
Kalesh Singh <kaleshsingh@xxxxxxxxxx> wrote:

> > If these functions are only called when val2 is constant, can't we make it
> > such that we get val2 from the hist_field directly? That is:
> >
> >         u64 val2 = operand2->constant;  
> 
> operand2 might be a var ref to a constant, so we would need to resolve
> that with hist_field_var_ref().

So can a var_ref change? If not, then we should convert that to a constant
for this operation.

-- Steve