Re: [PATCH 3/5] KVM: selftests: Simplify demand_paging_test with timespec_diff_now

From: Ben Gardon
Date: Mon Nov 02 2020 - 17:59:43 EST


On Mon, Nov 2, 2020 at 1:27 PM Peter Xu <peterx@xxxxxxxxxx> wrote:
>
> On Tue, Oct 27, 2020 at 04:37:31PM -0700, Ben Gardon wrote:
> > Add a helper function to get the current time and return the time since
> > a given start time. Use that function to simplify the timekeeping in the
> > demand paging test.
>
> Nit: timespec_diff_now() sounds less charming than timespec_elapsed() to
> me... "diff_now" is longer, and it also does not show positive/negative of the
> results (which in this case should always be end-start). "elapsed" should
> always mean something positive.

That's a great suggestion and much clearer. I'll make that change in v2.

>
> With/Without the change above:
>
> Reviewed-by: Peter Xu <peterx@xxxxxxxxxx>
>
> --
> Peter Xu
>