19 Jun
2006
19 Jun
'06
6:48 p.m.
On Mon, 2006-06-19 at 23:11 +0200, Stefan Westerfeld wrote:
The spin_lock(&bh->lock) is the one I was
referring to in my earlier
mail.
Taking a spinlock should be realtime safe - they are not supposed to be
held for long and cannot sleep. Worst case scenario should be that you
spin for a few hundred microseconds. It's a bug if a spinlock is held
for much longer or is heavily contended.
Lee