In commit 99b725084 "ACPI processor hotplug: Delay acpi_processor_start()
call for hotplugged cores", acpi_processor_hotplug(pr) was wrongly replaced
by acpi_processor_cst_has_changed() inside the acpi_cpu_soft_notify(). This
patch will restore it back, which also fixes a tick_broadcast_mask regression:
https://lkml.org/lkml/2012/7/30/169
[Resend to ACPI mail list and Cc stable kernel]
Signed-off-by: Feng Tang <feng.t...@intel.com>
Cc: Thomas Renninger <tr...@suse.de>
Cc: Deepthi Dharwar <deep...@linux.vnet.ibm.com>
Cc: <sta...@vger.kernel.org> # 3.3+
---
drivers/acpi/processor_driver.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index ff8e04f..bfc31cb 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -437,7 +437,7 @@ static int acpi_cpu_soft_notify(struct notifier_block *nfb,
/* Normal CPU soft online event */
} else {
acpi_processor_ppc_has_changed(pr, 0);
- acpi_processor_cst_has_changed(pr);
+ acpi_processor_hotplug(pr);
acpi_processor_reevaluate_tstate(pr, action);
acpi_processor_tstate_has_changed(pr);
}
--
1.7.1
--
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