Re: [PATCH 2/2] rcu: eliminate rcu_data.last_qsctr

[William Lee Irwin III]

William Lee Irwin III wrote:
>> That might work if there were only 1 cpu. The local cpu owns ->qsctr,
>> ->last_qsctr is stored and loaded by remote cpus under locks.

On Sun, Nov 28, 2004 at 04:01:43PM +0100, Manfred Spraul wrote:
> No. The whole rcu_data structure is cpu-local, it's never accessed from 
> remote cpus [except during hotunplug]. It doesn't even contain a lock.

Looks like if I ever knew what was going on in rcupdate.c I forgot it.
Back to damage control for ongoing catastrophes for me.


-- wli
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