This is a note to let you know that I've just added the patch titled
cpufreq/amd-pstate: Add the missing cpufreq_cpu_put()
to the 6.11-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
cpufreq-amd-pstate-add-the-missing-cpufreq_cpu_put.patch
and it can be found in the queue-6.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 43fb7040567ced74430fe800777f88c5a82a6f53
Author: Dhananjay Ugwekar <Dhananjay.Ugwekar@xxxxxxx>
Date: Fri Aug 9 06:08:16 2024 +0000
cpufreq/amd-pstate: Add the missing cpufreq_cpu_put()
[ Upstream commit 49243adc715e6ae34d6cc003827e63bcf5b3a21d ]
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")
Signed-off-by: Dhananjay Ugwekar <Dhananjay.Ugwekar@xxxxxxx>
Reviewed-by: Perry Yuan <perry.yuan@xxxxxxx>
Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
index 259a917da75f3..073ca9caf52ac 100644
--- a/drivers/cpufreq/amd-pstate.c
+++ b/drivers/cpufreq/amd-pstate.c
@@ -554,12 +554,15 @@ static void amd_pstate_update(struct amd_cpudata *cpudata, u32 min_perf,
}
if (value == prev)
- return;
+ goto cpufreq_policy_put;
WRITE_ONCE(cpudata->cppc_req_cached, value);
amd_pstate_update_perf(cpudata, min_perf, des_perf,
max_perf, fast_switch);
+
+cpufreq_policy_put:
+ cpufreq_cpu_put(policy);
}
static int amd_pstate_verify(struct cpufreq_policy_data *policy)
