linux-kernel - Re: [PATCH v2 1/2] cpupower: Fix amd cpu (family

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Message-ID: <f4a86da9-446b-7104-e785-b4380dbc216a@linuxfoundation.org>
Date:   Thu, 22 Jul 2021 09:18:19 -0600
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     徐福海 <xufuhai1992@...il.com>, shuah@...nel.org,
        Thomas Renninger <trenn@...e.com>
Cc:     linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        lishujin@...ishou.com, xufuhai <xufuhai@...ishou.com>,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH v2 1/2] cpupower: Fix amd cpu (family < 0x17) active state
 issue

On 5/30/21 12:58 AM, 徐福海 wrote:
> From: xufuhai<xufuhai@...ishou.com>
> 
> For the old  AMD processor (family < 0x17), cpupower will call the
> amd_pci_get_num_boost_states function, but for the non-root user
> pci_read_byte function (implementation comes from the psutil library),
> val will be set to 0xff, indicating that there is no read function
> callback. At this time, the original logic will set the cpupower turbo
> active state to yes. This is an obvious issue~
> 
> Reproduce procedure:
> 	cpupower frequency-info
> 

Please resend this patch and the following from the same
address as the Signed-off-by.

https://patchwork.kernel.org/project/linux-pm/patch/2dccdf57-1546-e55e-2efe-3ac91ed7f043@gmail.com/

thanks,
-- Shuah