Re: sysfs: pass function pointers to kernel (not just a value through attribute)

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On Mon, Dec 17, 2012 at 10:11:46AM -0500, Terry Hsu wrote:
> Hello everyone,
> 
> I am looking for some mechanism for userspace tasks to pass certain
> functions to kernel and let the kernel execute these functions on behalf of
> userspace tasks. I know that sysfs can be used with kobject embedded into
> internal kernel structure to access kernel variables. But is there anyway
> for userspace tasks to pass a function to kernel to execute through sysfs?
> 
> PS: adding syscall in the kernel can certainly satisfy my needs but it is
> less favorable because the new kernel service I want to add is not that
> general to be added as a new syscall.
> 
> Thanks in advance!
> T

You might want to use plain old kernel modules, after all.

Greetings,
Jonathan Neuschäfer

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