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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Mar 2025 08:40:32.5008 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7465ab14-b1ac-4cf0-99e9-08dd5c8a8eb2 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CH1PEPF0000AD79.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR12MB7337 Bypass cnstruction and deconstruction for px statistic info( cpufreq_statistic_init and cpufreq_statistic_exit) in cpufreq CPPC mode. Signed-off-by: Penny Zheng --- v2 -> v3: - new commit --- xen/drivers/cpufreq/utility.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/xen/drivers/cpufreq/utility.c b/xen/drivers/cpufreq/utility.c index e690a484f1..f1fd2fdbce 100644 --- a/xen/drivers/cpufreq/utility.c +++ b/xen/drivers/cpufreq/utility.c @@ -98,6 +98,9 @@ int cpufreq_statistic_init(unsigned int cpu) if ( !pmpt ) return -EINVAL; + if ( !(pmpt->init & XEN_PX_INIT) ) + return 0; + spin_lock(cpufreq_statistic_lock); pxpt = per_cpu(cpufreq_statistic_data, cpu); @@ -147,8 +150,12 @@ int cpufreq_statistic_init(unsigned int cpu) void cpufreq_statistic_exit(unsigned int cpu) { struct pm_px *pxpt; + const struct processor_pminfo *pmpt = processor_pminfo[cpu]; spinlock_t *cpufreq_statistic_lock = &per_cpu(cpufreq_statistic_lock, cpu); + if ( !(pmpt->init & XEN_PX_INIT) ) + return; + spin_lock(cpufreq_statistic_lock); pxpt = per_cpu(cpufreq_statistic_data, cpu);