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[Xen-devel] Re: [RFC] [PATCH] sysfs support for Xen attributes

Arjan van de Ven wrote:

On Thu, 2006-01-12 at 12:53 -0600, Anthony Liguori wrote:
We wish to make management hypercalls as the root user in userspace which means we have to go through the kernel. Currently, we do this by having /proc/xen/privcmd accept an ioctl() that takes a structure that describe the register arguments. The kernel interface allows us to control who in userspace can execute hypercalls.

ioctls on proc is evil though (so is ioctl-on-sysfs). It's a device not
a proc file!
I full heartedly agree with you :-)


Anthony Liguori

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