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Groups > linux.kernel > #1444331
| From | Oleg Nesterov <oleg@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/2] locking/percpu-rwsem: Introduce bias knob |
| Date | 2016-07-15 15:50 +0200 |
| Message-ID | <rVbF7-7wy-7@gated-at.bofh.it> (permalink) |
| References | <rUTIe-4Mw-13@gated-at.bofh.it> <rUTIe-4Mw-17@gated-at.bofh.it> <rUTRU-4Q7-35@gated-at.bofh.it> <rUUuC-5j0-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 07/14, Peter Zijlstra wrote:
>
> +void rcu_sync_sabotage(struct rcu_sync *rsp)
> +{
> + rsp->gp_count++;
> + rsp->gp_state = !GP_IDLE;
> +}
Ah, I didn't notice this !GP_IDLE...
Please use GP_PASSED, this is what this actually means. And note the
wait_event(GP_PASSED) in rcu_sync_enter().
Otherwise
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
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[PATCH 2/2] locking/percpu-rwsem: Introduce bias knob Peter Zijlstra <peterz@infradead.org> - 2016-07-14 20:40 +0200
Re: [PATCH 2/2] locking/percpu-rwsem: Introduce bias knob Oleg Nesterov <oleg@redhat.com> - 2016-07-14 20:50 +0200
Re: [PATCH 2/2] locking/percpu-rwsem: Introduce bias knob Peter Zijlstra <peterz@infradead.org> - 2016-07-14 21:00 +0200
Re: [PATCH 2/2] locking/percpu-rwsem: Introduce bias knob Peter Zijlstra <peterz@infradead.org> - 2016-07-14 21:30 +0200
Re: [PATCH 2/2] locking/percpu-rwsem: Introduce bias knob "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-07-14 21:30 +0200
Re: [PATCH 2/2] locking/percpu-rwsem: Introduce bias knob Peter Zijlstra <peterz@infradead.org> - 2016-07-14 21:40 +0200
Re: [PATCH 2/2] locking/percpu-rwsem: Introduce bias knob "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-07-14 22:00 +0200
Re: [PATCH 2/2] locking/percpu-rwsem: Introduce bias knob Oleg Nesterov <oleg@redhat.com> - 2016-07-15 15:30 +0200
Re: [PATCH 2/2] locking/percpu-rwsem: Introduce bias knob "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-07-15 15:40 +0200
Re: [PATCH 2/2] locking/percpu-rwsem: Introduce bias knob Oleg Nesterov <oleg@redhat.com> - 2016-07-15 15:50 +0200
Re: [PATCH 2/2] locking/percpu-rwsem: Introduce bias knob "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-07-15 17:40 +0200
Re: [PATCH 2/2] locking/percpu-rwsem: Introduce bias knob Oleg Nesterov <oleg@redhat.com> - 2016-07-15 18:50 +0200
Re: [PATCH 2/2] locking/percpu-rwsem: Introduce bias knob "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-07-15 20:10 +0200
[PATCH] rcu_sync: simplify the state machine, introduce __rcu_sync_enter() Oleg Nesterov <oleg@redhat.com> - 2016-07-16 19:20 +0200
Re: [PATCH] rcu_sync: simplify the state machine, introduce __rcu_sync_enter() Oleg Nesterov <oleg@redhat.com> - 2016-07-16 20:50 +0200
Re: [PATCH] rcu_sync: simplify the state machine, introduce __rcu_sync_enter() Peter Zijlstra <peterz@infradead.org> - 2016-07-18 14:00 +0200
Re: [PATCH] rcu_sync: simplify the state machine, introduce __rcu_sync_enter() Oleg Nesterov <oleg@redhat.com> - 2016-07-18 15:50 +0200
Re: [PATCH] rcu_sync: simplify the state machine, introduce __rcu_sync_enter() "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-07-19 23:00 +0200
Re: [PATCH] rcu_sync: simplify the state machine, introduce __rcu_sync_enter() Oleg Nesterov <oleg@redhat.com> - 2016-07-20 17:20 +0200
Re: [PATCH] rcu_sync: simplify the state machine, introduce __rcu_sync_enter() "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-07-20 23:00 +0200
Re: [PATCH] rcu_sync: simplify the state machine, introduce __rcu_sync_enter() Oleg Nesterov <oleg@redhat.com> - 2016-07-21 19:40 +0200
Re: [PATCH] rcu_sync: simplify the state machine, introduce __rcu_sync_enter() Oleg Nesterov <oleg@redhat.com> - 2016-07-20 19:20 +0200
Re: [PATCH] rcu_sync: simplify the state machine, introduce __rcu_sync_enter() "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-07-20 23:40 +0200
Re: [PATCH] rcu_sync: simplify the state machine, introduce __rcu_sync_enter() Oleg Nesterov <oleg@redhat.com> - 2016-07-21 19:40 +0200
Re: [PATCH] rcu_sync: simplify the state machine, introduce __rcu_sync_enter() "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-07-22 05:30 +0200
Re: [PATCH] rcu_sync: simplify the state machine, introduce __rcu_sync_enter() John Stultz <john.stultz@linaro.org> - 2016-07-25 19:10 +0200
Re: [PATCH] rcu_sync: simplify the state machine, introduce __rcu_sync_enter() Oleg Nesterov <oleg@redhat.com> - 2016-07-25 19:30 +0200
Re: [PATCH] rcu_sync: simplify the state machine, introduce __rcu_sync_enter() Oleg Nesterov <oleg@redhat.com> - 2016-07-25 19:10 +0200
Re: [PATCH] rcu_sync: simplify the state machine, introduce __rcu_sync_enter() "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-07-25 19:50 +0200
Re: [PATCH 2/2] locking/percpu-rwsem: Introduce bias knob Oleg Nesterov <oleg@redhat.com> - 2016-07-15 15:50 +0200
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