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Groups > linux.kernel > #1288910
| From | Peter Zijlstra <peterz@infradead.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2 tip/core/rcu 03/11] rcu: Move smp_mb() from rcu_seq_snap() to rcu_exp_gp_seq_snap() |
| Date | 2015-12-10 21:40 +0100 |
| Message-ID | <qEgam-2C0-29@gated-at.bofh.it> (permalink) |
| References | <qDW1Y-6ob-11@gated-at.bofh.it> <qDW1Z-6ob-43@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Dec 09, 2015 at 03:03:00PM -0800, Paul E. McKenney wrote: > The memory barrier in rcu_seq_snap() is needed only for grace periods, > so this commit moves it to the grace-period-oriented wrapper > rcu_exp_gp_seq_snap(). This is a bit short for a memory barrier changelog. I think I remember enough of the code to see this is indeed so, but who knows who will remember what in another few weeks :-) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH v2 tip/core/rcu 03/11] rcu: Move smp_mb() from rcu_seq_snap() to rcu_exp_gp_seq_snap() "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-12-10 00:10 +0100
Re: [PATCH v2 tip/core/rcu 03/11] rcu: Move smp_mb() from rcu_seq_snap() to rcu_exp_gp_seq_snap() Peter Zijlstra <peterz@infradead.org> - 2015-12-10 21:40 +0100
Re: [PATCH v2 tip/core/rcu 03/11] rcu: Move smp_mb() from rcu_seq_snap() to rcu_exp_gp_seq_snap() "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-12-10 21:50 +0100
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