Messages in this thread | | | Date | Sun, 28 Nov 2004 21:03:34 +0530 | From | Dipankar Sarma <> | Subject | Re: [PATCH 2/2] rcu: eliminate rcu_data.last_qsctr |
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On Sun, Nov 28, 2004 at 06:06:55PM +0300, Oleg Nesterov wrote: > Hello. > > Is the rcu_data.last_qsctr really needed? > > It is used in rcu_check_quiescent_state() exclusively. > I think we can reset qsctr at the start of the grace period, > and then just test qsctr against 0. >
No race with interrupt for rdp->qsctr, so it looks good.
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