Re: [PATCH 1/2] add tunable_notifier function ,take2

From: Takenori Nagano
Date: Thu Oct 25 2007 - 04:05:17 EST


Randy Dunlap wrote:
> On Thu, 18 Oct 2007 17:53:00 +0900 Takenori Nagano wrote:
>
>> This patch adds new notifier function tunable_notifier_chain. Its base is
>> atomic_notifier_chain.
>>
>> Thanks,
>>
>> ---
>>
>> Signed-off-by: Takenori Nagano <t-nagano@xxxxxxxxxxxxx>
>>
>> ---
>> diff -uprN linux-2.6.23.orig/kernel/sys.c linux-2.6.23/kernel/sys.c
>> --- linux-2.6.23.orig/kernel/sys.c 2007-10-10 05:31:38.000000000 +0900
>> +++ linux-2.6.23/kernel/sys.c 2007-10-18 10:08:52.728000000 +0900
>> @@ -38,6 +38,7 @@
>> #include <linux/syscalls.h>
>> #include <linux/kprobes.h>
>> #include <linux/user_namespace.h>
>> +#include <linux/debugfs.h>
>>
>> #include <asm/uaccess.h>
>> #include <asm/io.h>
>> @@ -393,6 +394,243 @@ int blocking_notifier_call_chain(struct
>> EXPORT_SYMBOL_GPL(blocking_notifier_call_chain);
>
>> +/**
>> + * tunable_atomic_notifier_chain_register
>> + * - Add notifier to an tunable notifier chain
>
> Function name & short description must be on one (long?) line. :(

OK. I'll fix next version.

>> +
>> +int __kprobes __tunable_atomic_notifier_call_chain(
>> + struct tunable_atomic_notifier_head *nh,
>> + unsigned long val, void *v,
>> + int nr_to_call, int *nr_calls)
>> +{
>> + int ret;
>> +
>> + rcu_read_lock();
>> + ret = notifier_call_chain(&nh->head, val, v, nr_to_call, nr_calls);
>> + rcu_read_unlock();
>> + return ret;
>> +}
>> +
>> +EXPORT_SYMBOL_GPL(__tunable_atomic_notifier_call_chain);
>
> Blank line is usually omitted before EXPORT_SYMBOL....

OK. I'll fix, too.

Thanks,
Takenori

> ---
> ~Randy
>
>
-
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