diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2025-11-25 15:06:12 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2025-11-25 16:08:06 +0100 |
| commit | 43ff36c4a5a574ee83b4b0d3f3d74f09a3a8c2d3 (patch) | |
| tree | c9237e79f97e4d1b7e432dc6fd23767d284a4040 /drivers/acpi/processor_driver.c | |
| parent | 1a8b3501821b608383f7c7aa0f24e2006681e2b5 (diff) | |
Revert "ACPI: processor: idle: Optimize ACPI idle driver registration"
Revert commit 7a8c994cbb2d ("ACPI: processor: idle: Optimize ACPI idle
driver registration") because it is reported to introduce a cpuidle
regression leading to a kernel crash on a platform using the ACPI idle
driver.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reported-by: Borislav Petkov <bp@alien8.de>
Tested-by: Borislav Petkov (AMD) <bp@alien8.de>
Closes: https://lore.kernel.org/lkml/20251124200019.GIaSS5U9HhsWBotrQZ@fat_crate.local/
Diffstat (limited to 'drivers/acpi/processor_driver.c')
| -rw-r--r-- | drivers/acpi/processor_driver.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c index de17c1412678..7644de24d2fa 100644 --- a/drivers/acpi/processor_driver.c +++ b/drivers/acpi/processor_driver.c @@ -263,8 +263,6 @@ static int __init acpi_processor_driver_init(void) if (result < 0) return result; - acpi_processor_register_idle_driver(); - result = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "acpi/cpu-drv:online", acpi_soft_cpu_online, NULL); @@ -303,7 +301,6 @@ static void __exit acpi_processor_driver_exit(void) cpuhp_remove_state_nocalls(hp_online); cpuhp_remove_state_nocalls(CPUHP_ACPI_CPUDRV_DEAD); - acpi_processor_unregister_idle_driver(); driver_unregister(&acpi_processor_driver); } |