On Thursday, 5 July 2007 02:43, Paul Mackerras wrote:
I don't agree with that.
The freezer only fails to handle uninterruptible tasks, so we need to take
the situations in which an uninterruptible task waits for a frozen task into
consideration. Now, if both tasks are from the user land, this is highly
No. The rule is that kernel threads should not be freezable, but there are
some for which that is useful.
This is a very general statement. Can you please give some examples?
No. We only know that it might work if the nonboot CPUs are disabled before
suspending devices, which is not the case in the generic suspend code.
I remain unconvinced. ;-)
"Premature optimization is the root of all evil." - Donald Knuth