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Message-ID: <20230908131919.GG19320@noisy.programming.kicks-ass.net>
Date: Fri, 8 Sep 2023 15:19:19 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: Meng Li <li.meng@....com>
Cc: "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
Huang Rui <ray.huang@....com>, linux-pm@...r.kernel.org,
linux-kernel@...r.kernel.org, x86@...nel.org,
linux-acpi@...r.kernel.org, Shuah Khan <skhan@...uxfoundation.org>,
linux-kselftest@...r.kernel.org,
Nathan Fontenot <nathan.fontenot@....com>,
Deepak Sharma <deepak.sharma@....com>,
Alex Deucher <alexander.deucher@....com>,
Mario Limonciello <mario.limonciello@....com>,
Shimmer Huang <shimmer.huang@....com>,
Perry Yuan <Perry.Yuan@....com>,
Xiaojian Du <Xiaojian.Du@....com>,
Viresh Kumar <viresh.kumar@...aro.org>,
Borislav Petkov <bp@...en8.de>
Subject: Re: [PATCH V5 4/7] cpufreq: Add a notification message that the
highest perf has changed
On Tue, Sep 05, 2023 at 09:51:13AM +0800, Meng Li wrote:
> ACPI 6.5 section 8.4.6.1.1.1 specifies that Notify event 0x85 can be
> emmitted to cause the the OSPM to re-evaluate the highest performance
> register. Add support for this event.
>
> Signed-off-by: Meng Li <li.meng@....com>
> Link: https://uefi.org/specs/ACPI/6.5/08_Processor_Configuration_and_Control.html?highlight=cppc#cpc-continuous-performance-control
Does uefi.org guarantee this is a stable link?
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