linux-kernel - Re: userspace notification from module

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Sat, 02 Jan 2010 13:36:55 +0100
From:	Daniel Borkmann <llug.dan@...glemail.com>
To:	Bartłomiej Zimoń <uzi18@...pl>
CC:	linux-kernel@...r.kernel.org
Subject: Re: userspace notification from module

Hi Bartłomiej,

Bartłomiej Zimoń wrote:
> Use inotify from userspace could be interesting for such data,
> but looks like sysfs/procfs doesn't send signal about data changed in file or maybe i'm wrong?
> 
> If sysfs/procfs is wrong for that so must create device file, but here secound problem 
> how to notify that file/buffer has new data?

Actually, the file content of a procfs file is volatile and generated on
the fly, just have a look at some device drivers or at the API.

Did you have a look at the netlink protocol for communication from
kernel to userspace?

Cheers,
Daniel
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/