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SubjectRE: [PATCH V1 1/3] Xen stub driver for CPU hotplug
Date
Konrad Rzeszutek Wilk wrote:
> On Tue, Jan 15, 2013 at 12:30:19PM +0000, Liu, Jinsong wrote:
>>> From 110b4ef3b8ebefeaf68832dd8ef8aa916a782e89 Mon Sep 17 00:00:00
>>> 2001
>> From: Liu Jinsong <jinsong.liu@intel.com>
>> Date: Mon, 14 Jan 2013 15:19:30 +0800
>> Subject: [PATCH 1/3] Xen stub driver for CPU hotplug
>>
>> Add Xen stub driver for CPU hotplug, early occupy to block native,
>> will be replaced later by real Xen processor driver module.
>>
>> Signed-off-by: Liu Jinsong <jinsong.liu@intel.com>
>> ---
>> drivers/xen/xen-stub.c | 34 ++++++++++++++++++++++++++++++++--
>> include/xen/acpi.h | 6 ++++++
>> 2 files changed, 38 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/xen/xen-stub.c b/drivers/xen/xen-stub.c
>> index 01a49e3..681e9cc 100644
>> --- a/drivers/xen/xen-stub.c
>> +++ b/drivers/xen/xen-stub.c
>> @@ -28,12 +28,13 @@
>> #include <acpi/acpi_drivers.h>
>> #include <xen/acpi.h>
>>
>> +
>> +#ifdef CONFIG_ACPI
>> +
>> /*--------------------------------------------
>> stub driver for Xen memory hotplug
>> --------------------------------------------*/
>>
>> -#ifdef CONFIG_ACPI
>> -
>> static const struct acpi_device_id memory_device_ids[] = {
>> {ACPI_MEMORY_DEVICE_HID, 0},
>> {"", 0},
>> @@ -57,4 +58,33 @@ static int __init
>> xen_stub_memory_device_init(void) }
>> subsys_initcall(xen_stub_memory_device_init);
>>
>> +
>> +/*--------------------------------------------
>> + stub driver for Xen cpu hotplug
>> +--------------------------------------------*/
>> +
>> +static const struct acpi_device_id processor_device_ids[] = {
>> + {ACPI_PROCESSOR_OBJECT_HID, 0},
>> + {ACPI_PROCESSOR_DEVICE_HID, 0},
>> + {"", 0},
>> +};
>> +
>> +struct acpi_driver xen_stub_processor_driver = {
>> + /* same name as native processor driver to block native loaded */
>> + .name = "processor", + .class = ACPI_PROCESSOR_CLASS,
>> + .ids = processor_device_ids,
>> +};
>> +EXPORT_SYMBOL_GPL(xen_stub_processor_driver);
>
> Could you make this be
>
> xen_stub_processor_deinit() instead?
>

Updated, w/ 2 funcs EXPORT_SYMBOL_GPL to cpu hotplug module:
xen_stub_processor_init()
xen_stub_processor_exit()

Thanks,
Jinsong

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