Peter Zijlstra wrote:
On Tue, 2008-03-04 at 14:35 -0800, Christoph Lameter wrote:
RCU means that the callbacks occur in an atomic context.
Not really, if it requires moving the VM locks to sleepable locks under
a .config option, I think its also fair to require PREEMPT_RCU.
OTOH, if you want to unconditionally move the VM locks to sleepable
locks you have a point.
Isn't that out of the question for .25?
I really wish we can get the atomic variant in now, and add on
sleepability in .26, updating users if necessary.
--
Do not meddle in the internals of kernels, for they are subtle and quick to
panic.
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