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SubjectRe: Why no XML in the Kernel?
James Courtier-Dutton wrote:

> I have a requirement to pass information from the kernel to user space.
> The information is passed fairly rarely, but over time extra parameters
> are added. At the moment we just use a struct, but that means that the
> kernel and the userspace app have to both keep in step. If something
> like XML was used, we could implement new parameters in the kernel, and
> the user space could just ignore them, until the user space is upgraded.
> XML would initially seem a good idea for this, but are there any methods
> currently used in the kernel that could handle these parameter changes
> over time.
> For example, should the sysfs be used for this?
> Any comments?

Yes use sysfs (or procfs if the information is related to a process).
Using ASCII text representation, and a single value per file is
noramlly the preferred method to do this I think.


SUSE Labs, Novell Inc.

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