Re: kernbench on 512p

Jesse Barnes
2004-08-20T17:26:38Z

On Friday, August 20, 2004 11:57 am, Paul E. McKenney wrote:
> If I am not too confused, you need #4 and #5 out of Manfred's set of
> five RCU_HUGE patchset. They are at:
>
> http://marc.theaimsgroup.com/?l=linux-kernel&m=108546358123902&w=2
> http://marc.theaimsgroup.com/?l=linux-kernel&m=108546384711797&w=2
>
> A little work will be required to get them to apply. For example, in
> the first patch, instead of:
>
> spin_lock(&rcu_state.mutex);
>
> one would say:
>
> spin_lock(&rsp->lock);
>
> due to the addition of the _bh() primitives. The "rcu_ctrlblk."
> and "rcu_state." have been replaced by pointers in order to handle
> multiple different types of grace periods:
>
> o Traditional grace periods based on context switch, executing
> in user mode, or running the idle loop.
>
> o New-age low-latency grace periods based on running with
> interrupts enabled.

Looks like a bit more context has changed. Manfred, care to respin against
-mm3 so I can test?

Thanks,
Jesse