On Thursday, May 30, 2013 04:45:35 PM Rafael J. Wysocki wrote:
> On Thursday, May 30, 2013 04:34:51 PM Rafael J. Wysocki wrote:
[...]
> >
> > I'll try to dig deeper locally in the meantime.
>
> Actually, I think I know what the problem is, but I need some more time to
> debug it. Fortunately, I'm able to see some symptoms. :-)
OK, one fix is appended, but there still is one more bug I need to investigate.
Please check if this one helps, though.
Thanks,
Rafael
---
drivers/acpi/acpi_processor.c | 5 +++++
drivers/acpi/processor_driver.c | 3 ---
2 files changed, 5 insertions(+), 3 deletions(-)
Index: linux-pm/drivers/acpi/processor_driver.c
===================================================================
--- linux-pm.orig/drivers/acpi/processor_driver.c
+++ linux-pm/drivers/acpi/processor_driver.c
@@ -78,9 +78,6 @@ static struct device_driver acpi_process
.remove = acpi_processor_stop,
};
-DEFINE_PER_CPU(struct acpi_processor *, processors);
-EXPORT_PER_CPU_SYMBOL(processors);
-
static void acpi_processor_notify(acpi_handle handle, u32 event, void *data)
{
struct acpi_device *device = data;
Index: linux-pm/drivers/acpi/acpi_processor.c
===================================================================
--- linux-pm.orig/drivers/acpi/acpi_processor.c
+++ linux-pm/drivers/acpi/acpi_processor.c
@@ -29,6 +29,9 @@
ACPI_MODULE_NAME("processor");
+DEFINE_PER_CPU(struct acpi_processor *, processors);
+EXPORT_PER_CPU_SYMBOL(processors);
+
/* --------------------------------------------------------------------------
Errata Handling
-------------------------------------------------------------------------- */
@@ -387,6 +390,7 @@ static int __cpuinit acpi_processor_add(
* checks.
*/
per_cpu(processor_device_array, pr->id) = device;
+ per_cpu(processors, pr->id) = pr;
dev = get_cpu_device(pr->id);
result = acpi_bind_one(dev, pr->handle);
@@ -406,6 +410,7 @@ static int __cpuinit acpi_processor_add(
err:
free_cpumask_var(pr->throttling.shared_cpu_map);
device->driver_data = NULL;
+ per_cpu(processors, pr->id) = NULL;
err_free_pr:
kfree(pr);
return result;
--
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