Re: [RFC PATCH] sched/eevdf: Return leftmost entity in pick_eevdf() if no eligible entity is found
From: Peter Zijlstra
Date: Mon Apr 08 2024 - 08:01:15 EST
On Fri, Mar 01, 2024 at 04:42:43PM +0800, Abel Wu wrote:
> After a second thought, this doesn't solve the insane huge vruntime
> itself. Since the immediate problem is that 'huge' number actually is
> a small one, is it possible to make vruntime s64 at definition?
In part that was never done because wrapping of signed types in C is UB
and UBSAN used to be buggy. But also, given how it all works, it mostly
doesn't matter.