Pull bugzilla-9327 into release branch

[mirror_ubuntu-jammy-kernel.git] / drivers / acpi / processor_core.c

diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 949ba0395901a413e147df13fa421e2a90c844f6..015689d295c7289b38db8bfa08a87b111d64bf2d 100644 (file)
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -684,7 +684,7 @@ static void acpi_processor_notify(acpi_handle handle, u32 event, void *data)
 {
        struct acpi_processor *pr = data;
        struct acpi_device *device = NULL;
-
+       int saved;
 
        if (!pr)
                return;
@@ -694,7 +694,10 @@ static void acpi_processor_notify(acpi_handle handle, u32 event, void *data)
 
        switch (event) {
        case ACPI_PROCESSOR_NOTIFY_PERFORMANCE:
+               saved = pr->performance_platform_limit;
                acpi_processor_ppc_has_changed(pr);
+               if (saved == pr->performance_platform_limit)
+                       break;
                acpi_bus_generate_proc_event(device, event,
                                        pr->performance_platform_limit);
                acpi_bus_generate_netlink_event(device->pnp.device_class,