linux-kernel - Re: [PATCH V2] riscv: export cpu/freq invariant to scheduler

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Date:   Mon, 27 Mar 2023 14:48:13 +0800
From:   Ley Foon Tan <lftan@...nel.org>
To:     Andrew Jones <ajones@...tanamicro.com>
Cc:     Song Shuai <suagrfillet@...il.com>, paul.walmsley@...ive.com,
        palmer@...belt.com, aou@...s.berkeley.edu,
        conor.dooley@...rochip.com, linux-riscv@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2] riscv: export cpu/freq invariant to scheduler

On Fri, Mar 24, 2023 at 1:52 AM Andrew Jones <ajones@...tanamicro.com> wrote:
>
> On Thu, Mar 23, 2023 at 08:39:24PM +0800, Song Shuai wrote:
> > RISC-V now manages CPU topology using arch_topology which provides
> > CPU capacity and frequency related interfaces to access the cpu/freq
> > invariant in possible heterogeneous or DVFS-enabled platforms.
> >
> > Here adds topology.h file to export the arch_topology interfaces for
> > replacing the scheduler's constant-based cpu/freq invariant accounting.
> >
> > Signed-off-by: Song Shuai <suagrfillet@...il.com>
Thanks for submitting this.

Reviewed-by: Ley Foon Tan <lftan@...nel.org>

Regards
Ley Foon