linux-kernel - [PATCH 4/4] cpufreq/amd-pstate: Align offline flow of shared memory and MSR based systems

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: <20241023102108.5980-5-Dhananjay.Ugwekar@amd.com>
Date: Wed, 23 Oct 2024 10:21:12 +0000
From: Dhananjay Ugwekar <Dhananjay.Ugwekar@....com>
To: <gautham.shenoy@....com>, <mario.limonciello@....com>,
	<perry.yuan@....com>, <rafael@...nel.org>, <viresh.kumar@...aro.org>
CC: <linux-pm@...r.kernel.org>, <linux-kernel@...r.kernel.org>, "Dhananjay
 Ugwekar" <Dhananjay.Ugwekar@....com>
Subject: [PATCH 4/4] cpufreq/amd-pstate: Align offline flow of shared memory and MSR based systems

Set min_perf to lowest_perf for shared memory systems, similar to the MSR
based systems.

Signed-off-by: Dhananjay Ugwekar <Dhananjay.Ugwekar@....com>
---
 drivers/cpufreq/amd-pstate.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
index bbeddce90823..206725219d8c 100644
--- a/drivers/cpufreq/amd-pstate.c
+++ b/drivers/cpufreq/amd-pstate.c
@@ -1658,6 +1658,7 @@ static void amd_pstate_epp_offline(struct cpufreq_policy *policy)
 		wrmsrl_on_cpu(cpudata->cpu, MSR_AMD_CPPC_REQ, value);
 	} else {
 		perf_ctrls.desired_perf = 0;
+		perf_ctrls.min_perf = min_perf;
 		perf_ctrls.max_perf = min_perf;
 		cppc_set_perf(cpudata->cpu, &perf_ctrls);
 		perf_ctrls.energy_perf = AMD_CPPC_ENERGY_PERF_PREF(HWP_EPP_BALANCE_POWERSAVE);
-- 
2.34.1