long-term kernel locks

Hi there, I need some mechanism to hold long-term locks (across context switches) while using kernel threads (kthread_*) and lockmgr() looked like the right thing to use. I am running FreeBSD 4.1 on a uniprocessor (..the questions are similar with 4.3) Looking at kern_lock.c, I see that

Re: long-term kernel locks

:Hi there, : :I need some mechanism to hold long-term locks (across :context switches) while using kernel threads (kthread_*) :and lockmgr() looked like the right thing to use. : :I am running FreeBSD 4.1 on a uniprocessor (..the questions :are similar with 4.3) : :Looking at kern_lock.c, I see

Re: long-term kernel locks

Matt Ok I see..the interlock is a lock on a collection (e.g on vfs mount list) and it can be released once the simple lock within the to-be-locked object has been acquired. These are really spin locks, now that I saw simplelock.s One more clarification if you will.. :-) What is the purpose of

Re: long-term kernel locks

:Matt : :Ok I see..the interlock is a lock on a collection (e.g :on vfs mount list) and it can be released once the simple :lock within the to-be-locked object has been acquired. :These are really spin locks, now that I saw simplelock.s : :One more clarification if you will.. :-) : :What is the