RE: [PATCH] cpufreq/amd-pstate: Add the missing cpufreq_cpu_put()

From: Yuan, Perry
Date: Wed Jul 31 2024 - 23:13:23 EST


[AMD Official Use Only - AMD Internal Distribution Only]

Hi Dhananjay

> -----Original Message-----
> From: Ugwekar, Dhananjay <Dhananjay.Ugwekar@xxxxxxx>
> Sent: Wednesday, July 31, 2024 4:39 PM
> To: Huang, Ray <Ray.Huang@xxxxxxx>; Shenoy, Gautham Ranjal
> <gautham.shenoy@xxxxxxx>; Limonciello, Mario
> <Mario.Limonciello@xxxxxxx>; Yuan, Perry <Perry.Yuan@xxxxxxx>;
> rafael@xxxxxxxxxx; viresh.kumar@xxxxxxxxxx
> Cc: linux-pm@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH] cpufreq/amd-pstate: Add the missing cpufreq_cpu_put()
>
> Forgot the fixes tag,
>
> On 7/31/2024 2:02 PM, Dhananjay Ugwekar wrote:
> > Fix the reference counting of cpufreq_policy object in
> > amd_pstate_update() function by adding the missing cpufreq_cpu_put().
> >
>
> Fixes: e8f555daacd3 ("cpufreq/amd-pstate: fix setting policy current
> frequency value")
>
> Thanks,
> Dhananjay
> > Signed-off-by: Dhananjay Ugwekar <Dhananjay.Ugwekar@xxxxxxx>
> > ---
> > drivers/cpufreq/amd-pstate.c | 2 ++
> > 1 file changed, 2 insertions(+)
> >
> > diff --git a/drivers/cpufreq/amd-pstate.c
> > b/drivers/cpufreq/amd-pstate.c index 804fab4ebb26..36edae40db1a
> 100644
> > --- a/drivers/cpufreq/amd-pstate.c
> > +++ b/drivers/cpufreq/amd-pstate.c
> > @@ -560,6 +560,8 @@ static void amd_pstate_update(struct amd_cpudata
> > *cpudata, u32 min_perf,
> >
> > amd_pstate_update_perf(cpudata, min_perf, des_perf,
> > max_perf, fast_switch);
> > +
> > + cpufreq_cpu_put(policy);
> > }
> >
> > static int amd_pstate_verify(struct cpufreq_policy_data *policy)

Thanks for the fix, it needs to send v2 with the Fixes tag.

Reviewed-by: Perry Yuan <perry.yuan@xxxxxxx>

Best Regards.

Perry.