Hi All,
Netlink sockets provide simple solution to the problem.
please refer this link.
section 3.3 Netlink Sockets explain the IPC mechanism to talk to usersapce from the kernel.
-Anand
Moon
From: "jeshkumar555@xxxxxxxxx" <jeshkumar555@xxxxxxxxx>
To: Mulyadi Santosa <mulyadi.santosa@xxxxxxxxx>
Cc: kernelnewbies <Kernelnewbies@xxxxxxxxxxxxxxxxx>
Sent: Saturday, November 3, 2012 9:56 PM
Subject: Re: Callback function from kernel module
To: Mulyadi Santosa <mulyadi.santosa@xxxxxxxxx>
Cc: kernelnewbies <Kernelnewbies@xxxxxxxxxxxxxxxxx>
Sent: Saturday, November 3, 2012 9:56 PM
Subject: Re: Callback function from kernel module
hello Mulyadi,
As per my design, a userspace application shall call some function in the application for each interrupt occur in particular kernel module. So what mechanism shall go ? As subramaniam referred kobject, I am going on with it. ( understanding kobject)
Sent from my HTC
Excuse for typo.
----- Reply message -----
From: "Mulyadi Santosa" <mulyadi.santosa@xxxxxxxxx>
Date: Sat, Nov 3, 2012 9:42 pm
Subject: Callback function from kernel module
To: "Jeshwanth Kumar N K Jeshu" <jeshkumar555@xxxxxxxxx>
Cc: "kernelnewbies" <Kernelnewbies@xxxxxxxxxxxxxxxxx>
Hi..
On Sat, Nov 3, 2012 at 8:44 PM, Jeshwanth Kumar N K Jeshu
<jeshkumar555@xxxxxxxxx> wrote:
> Hello All,
>
> Can I call userspace function from kernel module ? Actually I need to
> process some data in user space for every event occured in kernel module.
user space function or user space program? for later, IIRC you can use
usermode_helper...
--
regards,
Mulyadi Santosa
Freelance Linux trainer and consultant
blog: the-hydra.blogspot.com
training: mulyaditraining.blogspot.com
As per my design, a userspace application shall call some function in the application for each interrupt occur in particular kernel module. So what mechanism shall go ? As subramaniam referred kobject, I am going on with it. ( understanding kobject)
Sent from my HTC
Excuse for typo.
----- Reply message -----
From: "Mulyadi Santosa" <mulyadi.santosa@xxxxxxxxx>
Date: Sat, Nov 3, 2012 9:42 pm
Subject: Callback function from kernel module
To: "Jeshwanth Kumar N K Jeshu" <jeshkumar555@xxxxxxxxx>
Cc: "kernelnewbies" <Kernelnewbies@xxxxxxxxxxxxxxxxx>
Hi..
On Sat, Nov 3, 2012 at 8:44 PM, Jeshwanth Kumar N K Jeshu
<jeshkumar555@xxxxxxxxx> wrote:
> Hello All,
>
> Can I call userspace function from kernel module ? Actually I need to
> process some data in user space for every event occured in kernel module.
user space function or user space program? for later, IIRC you can use
usermode_helper...
--
regards,
Mulyadi Santosa
Freelance Linux trainer and consultant
blog: the-hydra.blogspot.com
training: mulyaditraining.blogspot.com
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