search for: evtchn_ioctl

Displaying 1 result from an estimated 1 matches for "evtchn_ioctl".

2008 Jun 24
1
How to mask an event channel?
In <Xen In seterface Manual>, chapter 5 Event Channels, they say that:"Event Notifications can be masked by setting a flag; this is equivalent to disabling interrupts and can be used to ensure atomicity of certain operation in the guest kernel". My question is : I know that we can use ''xc_evtchn_unmask(xcehandle, port)'' to unmask an event channel , but I can not