Question about UTCB

Benno benjl at cse.unsw.edu.au
Thu Feb 23 23:18:53 CET 2006


On Thu Feb 23, 2006 at 17:15:24 -0500, Jonathan S. Shapiro wrote:
>This is a naive, simple question -- I looked in the reference manual and
>the answer did not jump out at me.
>
>When a process is preempted, where are its registers stored? Are the
>stored in the UTCB, or are they stored in some data structure that is
>only accessible to the kernel?

They are stored in the thread's TCB, which is kernel private data.

Cheers,

Benno




More information about the l4-hackers mailing list