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SubjectRe: [PATCH] Security/sysfs: Enable security xattrs to be set on sysfs files, directories, and symlinks.
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On Tue, 2009-07-14 at 10:50 -0700, Greg KH wrote:
> On Tue, Jul 14, 2009 at 12:37:39PM -0400, David P. Quigley wrote:
> > So, I've been looking through the sysfs code and I can't find a
> > reference to netlink in there. I am assuming that it is other parts of
> > the kernel which make use of netlink which are calling the sysfs_*
> > functions. Any suggestions for where to look on how this is being used
> > and what the important users are?
>
> The netlink messages are coming from the kobject uevent code, look in
> lib/kobject_uevent.c for the code that creates and sends them out. This
> happens for every sysfs directory that is created that corresponds with
> a kobject.
>
> thanks,
>
> greg k-h

It is unclear to me what if anything we need to do to the kobject_uevent
code for these changes. Do you have a particular use case in mind? Is
there some sort of notification that should be sent up to user space
when the label is changed on a file?

Dave



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