linux-kernel - Re: [PATCH 1/1] ACPI: Call ACPI remove handler when handling ACPI eject event

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Message-id: <4E9FDD2A.6010603@huawei.com>
Date:	Thu, 20 Oct 2011 16:34:50 +0800
From:	"canquan.shen" <shencanquan@...wei.com>
To:	liu ping fan <pingfank@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org, seabios@...bios.org,
	qemu-devel@...gnu.org, aliguori@...ibm.com,
	dave@...ux.vnet.ibm.com, gong.chen@...ux.intel.com,
	len.brown@...el.com
Subject: Re: [PATCH 1/1] ACPI: Call ACPI remove handler when handling ACPI
 eject event

On 2011/10/20 16:08, liu ping fan wrote:
> On Wed, Oct 19, 2011 at 11:50:19AM +0800, canquan.shen wrote:
>> Hi ping fan,
>>     Your patch is similar with my patch, my patch name is "acpi: Fix
>> CPU hot removal problem".
> I saw your patch, a little similar. BTW, how are things going on? It is a
> long time since V0 patch
>>

This patch has reviewed by Bjorn, and I am waiting for len.brown's 
response .

>> Thanks.
>> Canquan.Shen
>> 2011-10-19
>>
>> On 2011/10/19 10:53, pingfank@...ux.vnet.ibm.com wrote:
>>> From: Liu Ping Fan<pingfank@...ux.vnet.ibm.com>
>>>
>>> Call the remove handler for ACPI_NOTIFY_EJECT_REQUEST
>>>
>>> Signed-off-by: Liu Ping Fan<pingfank@...ux.vnet.ibm.com>
>>> ---
>>>   drivers/acpi/bus.c      |    2 +-
>>>   drivers/acpi/scan.c     |    2 +-
>>>   include/acpi/acpi_bus.h |    2 ++
>>>   3 files changed, 4 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
>>> index 437ddbf..d06ec6d 100644
>>> --- a/drivers/acpi/bus.c
>>> +++ b/drivers/acpi/bus.c
>>> @@ -764,7 +764,7 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data)
>>>   		break;
>>>
>>>   	case ACPI_NOTIFY_EJECT_REQUEST:
>>> -		/* TBD */
>>> +		acpi_os_hotplug_execute(acpi_bus_hot_remove_device, handle);
>>>   		break;
>>>
>>>   	case ACPI_NOTIFY_DEVICE_CHECK_LIGHT:
>>> diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
>>> index 449c556..3b97b61 100644
>>> --- a/drivers/acpi/scan.c
>>> +++ b/drivers/acpi/scan.c
>>> @@ -83,7 +83,7 @@ acpi_device_modalias_show(struct device *dev, struct device_attribute *attr, cha
>>>   }
>>>   static DEVICE_ATTR(modalias, 0444, acpi_device_modalias_show, NULL);
>>>
>>> -static void acpi_bus_hot_remove_device(void *context)
>>> +void acpi_bus_hot_remove_device(void *context)
>>>   {
>>>   	struct acpi_device *device;
>>>   	acpi_handle handle = context;
>>> diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
>>> index 6cd5b64..b19c09d 100644
>>> --- a/include/acpi/acpi_bus.h
>>> +++ b/include/acpi/acpi_bus.h
>>> @@ -310,6 +310,8 @@ extern int unregister_acpi_notifier(struct notifier_block *);
>>>
>>>   extern int register_acpi_bus_notifier(struct notifier_block *nb);
>>>   extern void unregister_acpi_bus_notifier(struct notifier_block *nb);
>>> +extern void acpi_bus_hot_remove_device(void *context);
>>> +
>>>   /*
>>>    * External Functions
>>>    */
>>
>>
>> --
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>>
>
>
> .
>


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