* drivers/acpi/ac.c, re-enabling CONFIG_ACPI_PROCFS_POWER?
@ 2014-06-18 20:28 Sorin Manolache
2014-06-18 23:17 ` Rafael J. Wysocki
0 siblings, 1 reply; 5+ messages in thread
From: Sorin Manolache @ 2014-06-18 20:28 UTC (permalink / raw)
To: linux-kernel
Hello,
Would it be worth considering re-enabling the old procfs interface for
ac.c? There are old tools still around (kpowersave from kde 3.5.10) that
expect /proc/acpi/ac_adapter.
Thank you,
Sorin
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: drivers/acpi/ac.c, re-enabling CONFIG_ACPI_PROCFS_POWER?
2014-06-18 20:28 drivers/acpi/ac.c, re-enabling CONFIG_ACPI_PROCFS_POWER? Sorin Manolache
@ 2014-06-18 23:17 ` Rafael J. Wysocki
2014-06-19 6:32 ` Lan Tianyu
0 siblings, 1 reply; 5+ messages in thread
From: Rafael J. Wysocki @ 2014-06-18 23:17 UTC (permalink / raw)
To: Sorin Manolache, Zhang Rui, Lan Tianyu
Cc: linux-kernel, ACPI Devel Maling List
On Wednesday, June 18, 2014 10:28:12 PM Sorin Manolache wrote:
> Hello,
>
> Would it be worth considering re-enabling the old procfs interface for
> ac.c? There are old tools still around (kpowersave from kde 3.5.10) that
> expect /proc/acpi/ac_adapter.
Can you please CC ACPI-related messages to linux-acpi@vger.kernel.org?
I'm not sure how much effort that would require at this point. Rui, Tianyu?
Rafael
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: drivers/acpi/ac.c, re-enabling CONFIG_ACPI_PROCFS_POWER?
2014-06-18 23:17 ` Rafael J. Wysocki
@ 2014-06-19 6:32 ` Lan Tianyu
2014-06-19 7:47 ` Lan Tianyu
0 siblings, 1 reply; 5+ messages in thread
From: Lan Tianyu @ 2014-06-19 6:32 UTC (permalink / raw)
To: Rafael J. Wysocki
Cc: Sorin Manolache, Zhang Rui, linux-kernel, ACPI Devel Maling List
On 2014年06月19日 07:17, Rafael J. Wysocki wrote:
> On Wednesday, June 18, 2014 10:28:12 PM Sorin Manolache wrote:
>> Hello,
>>
>> Would it be worth considering re-enabling the old procfs interface for
>> ac.c? There are old tools still around (kpowersave from kde 3.5.10) that
>> expect /proc/acpi/ac_adapter.
>
> Can you please CC ACPI-related messages to linux-acpi@vger.kernel.org?
>
> I'm not sure how much effort that would require at this point. Rui, Tianyu?
I think we need to revert commit ab0fd67.
commit ab0fd674d6cef0904baa511f22613ef6474f8169
Author: Lan Tianyu <tianyu.lan@intel.com>
Date: Sat Oct 12 21:04:48 2013 +0800
ACPI / AC: Remove AC's proc directory.
AC's proc directory is not used and so remove it. Prepare for removing
/proc/acpi directory.
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
>
> Rafael
>
--
Best regards
Tianyu Lan
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: drivers/acpi/ac.c, re-enabling CONFIG_ACPI_PROCFS_POWER?
2014-06-19 6:32 ` Lan Tianyu
@ 2014-06-19 7:47 ` Lan Tianyu
2014-06-19 19:55 ` Sorin Manolache
0 siblings, 1 reply; 5+ messages in thread
From: Lan Tianyu @ 2014-06-19 7:47 UTC (permalink / raw)
To: Rafael J. Wysocki
Cc: Sorin Manolache, Zhang Rui, linux-kernel, ACPI Devel Maling List
[-- Attachment #1: Type: text/plain, Size: 1108 bytes --]
On 2014年06月19日 14:32, Lan Tianyu wrote:
> On 2014年06月19日 07:17, Rafael J. Wysocki wrote:
>> On Wednesday, June 18, 2014 10:28:12 PM Sorin Manolache wrote:
>>> Hello,
>>>
>>> Would it be worth considering re-enabling the old procfs interface for
>>> ac.c? There are old tools still around (kpowersave from kde 3.5.10) that
>>> expect /proc/acpi/ac_adapter.
>>
>> Can you please CC ACPI-related messages to linux-acpi@vger.kernel.org?
>>
>> I'm not sure how much effort that would require at this point. Rui, Tianyu?
>
> I think we need to revert commit ab0fd67.
>
> commit ab0fd674d6cef0904baa511f22613ef6474f8169
> Author: Lan Tianyu <tianyu.lan@intel.com>
> Date: Sat Oct 12 21:04:48 2013 +0800
>
> ACPI / AC: Remove AC's proc directory.
>
> AC's proc directory is not used and so remove it. Prepare for removing
> /proc/acpi directory.
>
> Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
>
Hi Sorin:
Please try the patch in the attachment.
>
>>
>> Rafael
>>
>
>
--
Best regards
Tianyu Lan
[-- Attachment #2: 0001-Revert-ACPI-AC-Remove-AC-s-proc-directory.patch --]
[-- Type: text/x-diff, Size: 6130 bytes --]
>From fd72993b850325603e6e6a424d0f3f117a8fa957 Mon Sep 17 00:00:00 2001
From: Lan Tianyu <tianyu.lan@intel.com>
Date: Thu, 19 Jun 2014 14:54:22 +0800
Subject: [PATCH] Revert "ACPI / AC: Remove AC's proc directory."
This patch is to reverts commit ab0fd674d6cef0904baa511f22613ef6474f8169.
Some old tools (E,G kpowersave from kde 3.5.10) are still using
/proc/acpi/ac_adapter.
---
drivers/acpi/ac.c | 130 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 128 insertions(+), 2 deletions(-)
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index c67f6f5..c1a32e3 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -30,6 +30,10 @@
#include <linux/types.h>
#include <linux/dmi.h>
#include <linux/delay.h>
+#ifdef CONFIG_ACPI_PROCFS_POWER
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#endif
#include <linux/platform_device.h>
#include <linux/power_supply.h>
#include <linux/acpi.h>
@@ -52,6 +56,7 @@ MODULE_AUTHOR("Paul Diefenbaugh");
MODULE_DESCRIPTION("ACPI AC Adapter Driver");
MODULE_LICENSE("GPL");
+
static int acpi_ac_add(struct acpi_device *device);
static int acpi_ac_remove(struct acpi_device *device);
static void acpi_ac_notify(struct acpi_device *device, u32 event);
@@ -67,6 +72,13 @@ static int acpi_ac_resume(struct device *dev);
#endif
static SIMPLE_DEV_PM_OPS(acpi_ac_pm, NULL, acpi_ac_resume);
+#ifdef CONFIG_ACPI_PROCFS_POWER
+extern struct proc_dir_entry *acpi_lock_ac_dir(void);
+extern void *acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir);
+static int acpi_ac_open_fs(struct inode *inode, struct file *file);
+#endif
+
+
static int ac_sleep_before_get_state_ms;
static struct acpi_driver acpi_ac_driver = {
@@ -91,6 +103,16 @@ struct acpi_ac {
#define to_acpi_ac(x) container_of(x, struct acpi_ac, charger)
+#ifdef CONFIG_ACPI_PROCFS_POWER
+static const struct file_operations acpi_ac_fops = {
+ .owner = THIS_MODULE,
+ .open = acpi_ac_open_fs,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+#endif
+
/* --------------------------------------------------------------------------
AC Adapter Management
-------------------------------------------------------------------------- */
@@ -143,6 +165,83 @@ static enum power_supply_property ac_props[] = {
POWER_SUPPLY_PROP_ONLINE,
};
+#ifdef CONFIG_ACPI_PROCFS_POWER
+/* --------------------------------------------------------------------------
+ FS Interface (/proc)
+ -------------------------------------------------------------------------- */
+
+static struct proc_dir_entry *acpi_ac_dir;
+
+static int acpi_ac_seq_show(struct seq_file *seq, void *offset)
+{
+ struct acpi_ac *ac = seq->private;
+
+
+ if (!ac)
+ return 0;
+
+ if (acpi_ac_get_state(ac)) {
+ seq_puts(seq, "ERROR: Unable to read AC Adapter state\n");
+ return 0;
+ }
+
+ seq_puts(seq, "state: ");
+ switch (ac->state) {
+ case ACPI_AC_STATUS_OFFLINE:
+ seq_puts(seq, "off-line\n");
+ break;
+ case ACPI_AC_STATUS_ONLINE:
+ seq_puts(seq, "on-line\n");
+ break;
+ default:
+ seq_puts(seq, "unknown\n");
+ break;
+ }
+
+ return 0;
+}
+
+static int acpi_ac_open_fs(struct inode *inode, struct file *file)
+{
+ return single_open(file, acpi_ac_seq_show, PDE_DATA(inode));
+}
+
+static int acpi_ac_add_fs(struct acpi_ac *ac)
+{
+ struct proc_dir_entry *entry = NULL;
+
+ printk(KERN_WARNING PREFIX "Deprecated procfs I/F for AC is loaded,"
+ " please retry with CONFIG_ACPI_PROCFS_POWER cleared\n");
+ if (!acpi_device_dir(ac->adev)) {
+ acpi_device_dir(ac->adev) =
+ proc_mkdir(acpi_device_bid(ac->adev), acpi_ac_dir);
+ if (!acpi_device_dir(ac->adev))
+ return -ENODEV;
+ }
+
+ /* 'state' [R] */
+ entry = proc_create_data(ACPI_AC_FILE_STATE,
+ S_IRUGO, acpi_device_dir(ac->adev),
+ &acpi_ac_fops, ac);
+ if (!entry)
+ return -ENODEV;
+ return 0;
+}
+
+static int acpi_ac_remove_fs(struct acpi_ac *ac)
+{
+
+ if (acpi_device_dir(ac->adev)) {
+ remove_proc_entry(ACPI_AC_FILE_STATE,
+ acpi_device_dir(ac->adev));
+ remove_proc_entry(acpi_device_bid(ac->adev), acpi_ac_dir);
+ acpi_device_dir(ac->adev) = NULL;
+ }
+
+ return 0;
+}
+#endif
+
/* --------------------------------------------------------------------------
Driver Model
-------------------------------------------------------------------------- */
@@ -243,6 +342,11 @@ static int acpi_ac_add(struct acpi_device *device)
goto end;
ac->charger.name = acpi_device_bid(device);
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ result = acpi_ac_add_fs(ac);
+ if (result)
+ goto end;
+#endif
ac->charger.type = POWER_SUPPLY_TYPE_MAINS;
ac->charger.properties = ac_props;
ac->charger.num_properties = ARRAY_SIZE(ac_props);
@@ -258,8 +362,12 @@ static int acpi_ac_add(struct acpi_device *device)
ac->battery_nb.notifier_call = acpi_ac_battery_notify;
register_acpi_notifier(&ac->battery_nb);
end:
- if (result)
+ if (result) {
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ acpi_ac_remove_fs(ac);
+#endif
kfree(ac);
+ }
dmi_check_system(ac_dmi_table);
return result;
@@ -303,6 +411,10 @@ static int acpi_ac_remove(struct acpi_device *device)
power_supply_unregister(&ac->charger);
unregister_acpi_notifier(&ac->battery_nb);
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ acpi_ac_remove_fs(ac);
+#endif
+
kfree(ac);
return 0;
@@ -315,9 +427,20 @@ static int __init acpi_ac_init(void)
if (acpi_disabled)
return -ENODEV;
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ acpi_ac_dir = acpi_lock_ac_dir();
+ if (!acpi_ac_dir)
+ return -ENODEV;
+#endif
+
+
result = acpi_bus_register_driver(&acpi_ac_driver);
- if (result < 0)
+ if (result < 0) {
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ acpi_unlock_ac_dir(acpi_ac_dir);
+#endif
return -ENODEV;
+ }
return 0;
}
@@ -325,6 +448,9 @@ static int __init acpi_ac_init(void)
static void __exit acpi_ac_exit(void)
{
acpi_bus_unregister_driver(&acpi_ac_driver);
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ acpi_unlock_ac_dir(acpi_ac_dir);
+#endif
}
module_init(acpi_ac_init);
module_exit(acpi_ac_exit);
--
1.8.4.rc0.1.g8f6a3e5.dirty
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: drivers/acpi/ac.c, re-enabling CONFIG_ACPI_PROCFS_POWER?
2014-06-19 7:47 ` Lan Tianyu
@ 2014-06-19 19:55 ` Sorin Manolache
0 siblings, 0 replies; 5+ messages in thread
From: Sorin Manolache @ 2014-06-19 19:55 UTC (permalink / raw)
To: Lan Tianyu, Rafael J. Wysocki
Cc: Zhang Rui, linux-kernel, ACPI Devel Maling List
[-- Attachment #1: Type: text/plain, Size: 1449 bytes --]
On 2014-06-19 09:47, Lan Tianyu wrote:
> On 2014年06月19日 14:32, Lan Tianyu wrote:
>> On 2014年06月19日 07:17, Rafael J. Wysocki wrote:
>>> On Wednesday, June 18, 2014 10:28:12 PM Sorin Manolache wrote:
>>>> Hello,
>>>>
>>>> Would it be worth considering re-enabling the old procfs interface for
>>>> ac.c? There are old tools still around (kpowersave from kde 3.5.10) that
>>>> expect /proc/acpi/ac_adapter.
>>>
>>> Can you please CC ACPI-related messages to linux-acpi@vger.kernel.org?
>>>
>>> I'm not sure how much effort that would require at this point. Rui, Tianyu?
>>
>> I think we need to revert commit ab0fd67.
>>
>> commit ab0fd674d6cef0904baa511f22613ef6474f8169
>> Author: Lan Tianyu <tianyu.lan@intel.com>
>> Date: Sat Oct 12 21:04:48 2013 +0800
>>
>> ACPI / AC: Remove AC's proc directory.
>>
>> AC's proc directory is not used and so remove it. Prepare for removing
>> /proc/acpi directory.
>>
>> Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
>> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
>>
>
> Hi Sorin:
> Please try the patch in the attachment.
>
Hello Tianyu,
I've applied the patch to 3.15.1. The code did not compile because of
ac->adev in acpi_ac_add_fs and acpi_ac_remove_fs. The acpi_ac structure
contains a field "device" and not "adev". So I've modified the patch and
I've attached it.
Now it works.
Thank you,
Sorin
>>
>>>
>>> Rafael
>>>
>>
>>
>
>
[-- Attachment #2: 0001-Revert-ACPI-AC-Remove-AC-s-proc-directory.patch --]
[-- Type: text/x-diff, Size: 6149 bytes --]
>From fd72993b850325603e6e6a424d0f3f117a8fa957 Mon Sep 17 00:00:00 2001
From: Lan Tianyu <tianyu.lan@intel.com>
Date: Thu, 19 Jun 2014 14:54:22 +0800
Subject: [PATCH] Revert "ACPI / AC: Remove AC's proc directory."
This patch is to reverts commit ab0fd674d6cef0904baa511f22613ef6474f8169.
Some old tools (E,G kpowersave from kde 3.5.10) are still using
/proc/acpi/ac_adapter.
---
drivers/acpi/ac.c | 130 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 128 insertions(+), 2 deletions(-)
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index c67f6f5..c1a32e3 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -30,6 +30,10 @@
#include <linux/types.h>
#include <linux/dmi.h>
#include <linux/delay.h>
+#ifdef CONFIG_ACPI_PROCFS_POWER
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#endif
#include <linux/platform_device.h>
#include <linux/power_supply.h>
#include <linux/acpi.h>
@@ -52,6 +56,7 @@ MODULE_AUTHOR("Paul Diefenbaugh");
MODULE_DESCRIPTION("ACPI AC Adapter Driver");
MODULE_LICENSE("GPL");
+
static int acpi_ac_add(struct acpi_device *device);
static int acpi_ac_remove(struct acpi_device *device);
static void acpi_ac_notify(struct acpi_device *device, u32 event);
@@ -67,6 +72,13 @@ static int acpi_ac_resume(struct device *dev);
#endif
static SIMPLE_DEV_PM_OPS(acpi_ac_pm, NULL, acpi_ac_resume);
+#ifdef CONFIG_ACPI_PROCFS_POWER
+extern struct proc_dir_entry *acpi_lock_ac_dir(void);
+extern void *acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir);
+static int acpi_ac_open_fs(struct inode *inode, struct file *file);
+#endif
+
+
static int ac_sleep_before_get_state_ms;
static struct acpi_driver acpi_ac_driver = {
@@ -91,6 +103,16 @@ struct acpi_ac {
#define to_acpi_ac(x) container_of(x, struct acpi_ac, charger)
+#ifdef CONFIG_ACPI_PROCFS_POWER
+static const struct file_operations acpi_ac_fops = {
+ .owner = THIS_MODULE,
+ .open = acpi_ac_open_fs,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+#endif
+
/* --------------------------------------------------------------------------
AC Adapter Management
-------------------------------------------------------------------------- */
@@ -143,6 +165,83 @@ static enum power_supply_property ac_props[] = {
POWER_SUPPLY_PROP_ONLINE,
};
+#ifdef CONFIG_ACPI_PROCFS_POWER
+/* --------------------------------------------------------------------------
+ FS Interface (/proc)
+ -------------------------------------------------------------------------- */
+
+static struct proc_dir_entry *acpi_ac_dir;
+
+static int acpi_ac_seq_show(struct seq_file *seq, void *offset)
+{
+ struct acpi_ac *ac = seq->private;
+
+
+ if (!ac)
+ return 0;
+
+ if (acpi_ac_get_state(ac)) {
+ seq_puts(seq, "ERROR: Unable to read AC Adapter state\n");
+ return 0;
+ }
+
+ seq_puts(seq, "state: ");
+ switch (ac->state) {
+ case ACPI_AC_STATUS_OFFLINE:
+ seq_puts(seq, "off-line\n");
+ break;
+ case ACPI_AC_STATUS_ONLINE:
+ seq_puts(seq, "on-line\n");
+ break;
+ default:
+ seq_puts(seq, "unknown\n");
+ break;
+ }
+
+ return 0;
+}
+
+static int acpi_ac_open_fs(struct inode *inode, struct file *file)
+{
+ return single_open(file, acpi_ac_seq_show, PDE_DATA(inode));
+}
+
+static int acpi_ac_add_fs(struct acpi_ac *ac)
+{
+ struct proc_dir_entry *entry = NULL;
+
+ printk(KERN_WARNING PREFIX "Deprecated procfs I/F for AC is loaded,"
+ " please retry with CONFIG_ACPI_PROCFS_POWER cleared\n");
+ if (!acpi_device_dir(ac->device)) {
+ acpi_device_dir(ac->device) =
+ proc_mkdir(acpi_device_bid(ac->device), acpi_ac_dir);
+ if (!acpi_device_dir(ac->device))
+ return -ENODEV;
+ }
+
+ /* 'state' [R] */
+ entry = proc_create_data(ACPI_AC_FILE_STATE,
+ S_IRUGO, acpi_device_dir(ac->device),
+ &acpi_ac_fops, ac);
+ if (!entry)
+ return -ENODEV;
+ return 0;
+}
+
+static int acpi_ac_remove_fs(struct acpi_ac *ac)
+{
+
+ if (acpi_device_dir(ac->device)) {
+ remove_proc_entry(ACPI_AC_FILE_STATE,
+ acpi_device_dir(ac->device));
+ remove_proc_entry(acpi_device_bid(ac->device), acpi_ac_dir);
+ acpi_device_dir(ac->device) = NULL;
+ }
+
+ return 0;
+}
+#endif
+
/* --------------------------------------------------------------------------
Driver Model
-------------------------------------------------------------------------- */
@@ -243,6 +342,11 @@ static int acpi_ac_add(struct acpi_device *device)
goto end;
ac->charger.name = acpi_device_bid(device);
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ result = acpi_ac_add_fs(ac);
+ if (result)
+ goto end;
+#endif
ac->charger.type = POWER_SUPPLY_TYPE_MAINS;
ac->charger.properties = ac_props;
ac->charger.num_properties = ARRAY_SIZE(ac_props);
@@ -258,8 +362,12 @@ static int acpi_ac_add(struct acpi_device *device)
ac->battery_nb.notifier_call = acpi_ac_battery_notify;
register_acpi_notifier(&ac->battery_nb);
end:
- if (result)
+ if (result) {
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ acpi_ac_remove_fs(ac);
+#endif
kfree(ac);
+ }
dmi_check_system(ac_dmi_table);
return result;
@@ -303,6 +411,10 @@ static int acpi_ac_remove(struct acpi_device *device)
power_supply_unregister(&ac->charger);
unregister_acpi_notifier(&ac->battery_nb);
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ acpi_ac_remove_fs(ac);
+#endif
+
kfree(ac);
return 0;
@@ -315,9 +427,20 @@ static int __init acpi_ac_init(void)
if (acpi_disabled)
return -ENODEV;
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ acpi_ac_dir = acpi_lock_ac_dir();
+ if (!acpi_ac_dir)
+ return -ENODEV;
+#endif
+
+
result = acpi_bus_register_driver(&acpi_ac_driver);
- if (result < 0)
+ if (result < 0) {
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ acpi_unlock_ac_dir(acpi_ac_dir);
+#endif
return -ENODEV;
+ }
return 0;
}
@@ -325,6 +448,9 @@ static int __init acpi_ac_init(void)
static void __exit acpi_ac_exit(void)
{
acpi_bus_unregister_driver(&acpi_ac_driver);
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ acpi_unlock_ac_dir(acpi_ac_dir);
+#endif
}
module_init(acpi_ac_init);
module_exit(acpi_ac_exit);
--
1.8.4.rc0.1.g8f6a3e5.dirty
^ permalink raw reply related [flat|nested] 5+ messages in thread
end of thread, other threads:[~2014-06-19 19:55 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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2014-06-18 20:28 drivers/acpi/ac.c, re-enabling CONFIG_ACPI_PROCFS_POWER? Sorin Manolache
2014-06-18 23:17 ` Rafael J. Wysocki
2014-06-19 6:32 ` Lan Tianyu
2014-06-19 7:47 ` Lan Tianyu
2014-06-19 19:55 ` Sorin Manolache
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