Re: [PATCH v2] Enable haltpoll for arm64

Subject: Re: [PATCH v2] Enable haltpoll for arm64
From: "Christoph Lameter (Ampere)" <cl@xxxxxxxxx>
Date: Wed, 17 Jan 2024 13:19:06 -0800 (PST)
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, linux-pm@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, catalin.marinas@xxxxxxx, will@xxxxxxxxxx, tglx@xxxxxxxxxxxxx, mingo@xxxxxxxxxx, bp@xxxxxxxxx, x86@xxxxxxxxxx, hpa@xxxxxxxxx, pbonzini@xxxxxxxxxx, wanpengli@xxxxxxxxxxx, vkuznets@xxxxxxxxxx, rafael@xxxxxxxxxx, daniel.lezcano@xxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, pmladek@xxxxxxxx, peterz@xxxxxxxxxxxxx, dianders@xxxxxxxxxxxx, npiggin@xxxxxxxxx, rick.p.edgecombe@xxxxxxxxx, joao.m.martins@xxxxxxxxxx, juerg.haefliger@xxxxxxxxxxxxx, mic@xxxxxxxxxxx, arnd@xxxxxxxx, ankur.a.arora@xxxxxxxxxx
In-reply-to: <1700488898-12431-1-git-send-email-mihai.carabas@oracle.com>
References: <1700488898-12431-1-git-send-email-mihai.carabas@oracle.com>

On Mon, 20 Nov 2023, Mihai Carabas wrote:

This patchset enables the usage of haltpoll governer on arm64. This is
specifically interesting for KVM guests by reducing the IPC latencies.

Any updates on this one? We see good improvements with this patchset usinga variety of loads on Ampere platforms.

References:
- [PATCH v2] Enable haltpoll for arm64
  - From: Mihai Carabas