linux-kernel - Re: [PATCH 0/2] LoongArch: Add Loongson-3 CPUFreq driver support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1dc3823c0f0a459ae033a69b2eeb3d2929254fc2.camel@xry111.site>
Date: Mon, 24 Jun 2024 21:30:40 +0800
From: Xi Ruoyao <xry111@...111.site>
To: Huacai Chen <chenhuacai@...ngson.cn>, "Rafael J . Wysocki"
	 <rafael@...nel.org>, Viresh Kumar <viresh.kumar@...aro.org>, Huacai Chen
	 <chenhuacai@...nel.org>
Cc: loongarch@...ts.linux.dev, linux-pm@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Xuerui Wang <kernel@...0n.name>, Jiaxun Yang
	 <jiaxun.yang@...goat.com>
Subject: Re: [PATCH 0/2] LoongArch: Add Loongson-3 CPUFreq driver support

On Wed, 2024-06-12 at 14:42 +0800, Huacai Chen wrote:
> This series add architectural preparation and CPUFreq driver for
> Loongson-3 (based on LoongArch).
> 
> Some of LoongArch processors support DVFS, their IOCSR.FEATURES has
> IOCSRF_FREQSCALE set. And they has a micro-core in the package called
> SMC (System Management Controller) to scale frequency, voltage, etc.
> 
> Huacai Chen(2):
>  LoongArch: Add architectural preparation for CPUFreq.
>  cpufreq: Add Loongson-3 CPUFreq driver support.
> 
> Signed-off-by: Huacai Chen <chenhuacai@...ngson.cn>

A question: is it OK to enable cpufreq when overclocking is set via the
firmware?

-- 
Xi Ruoyao <xry111@...111.site>
School of Aerospace Science and Technology, Xidian University