diff options
| -rw-r--r-- | kernel/rcu/tree.c | 12 | ||||
| -rw-r--r-- | kernel/rcu/tree.h | 2 |
2 files changed, 7 insertions, 7 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 85c2c2dc4c4a..58aa6c2fd7fa 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c | |||
| @@ -97,7 +97,7 @@ struct rcu_state rcu_state = { | |||
| 97 | .abbr = RCU_ABBR, | 97 | .abbr = RCU_ABBR, |
| 98 | .exp_mutex = __MUTEX_INITIALIZER(rcu_state.exp_mutex), | 98 | .exp_mutex = __MUTEX_INITIALIZER(rcu_state.exp_mutex), |
| 99 | .exp_wake_mutex = __MUTEX_INITIALIZER(rcu_state.exp_wake_mutex), | 99 | .exp_wake_mutex = __MUTEX_INITIALIZER(rcu_state.exp_wake_mutex), |
| 100 | .ofl_lock = __SPIN_LOCK_UNLOCKED(rcu_state.ofl_lock), | 100 | .ofl_lock = __RAW_SPIN_LOCK_UNLOCKED(rcu_state.ofl_lock), |
| 101 | }; | 101 | }; |
| 102 | 102 | ||
| 103 | /* Dump rcu_node combining tree at boot to verify correct setup. */ | 103 | /* Dump rcu_node combining tree at boot to verify correct setup. */ |
| @@ -1776,13 +1776,13 @@ static bool rcu_gp_init(void) | |||
| 1776 | */ | 1776 | */ |
| 1777 | rcu_state.gp_state = RCU_GP_ONOFF; | 1777 | rcu_state.gp_state = RCU_GP_ONOFF; |
| 1778 | rcu_for_each_leaf_node(rnp) { | 1778 | rcu_for_each_leaf_node(rnp) { |
| 1779 | spin_lock(&rcu_state.ofl_lock); | 1779 | raw_spin_lock(&rcu_state.ofl_lock); |
| 1780 | raw_spin_lock_irq_rcu_node(rnp); | 1780 | raw_spin_lock_irq_rcu_node(rnp); |
| 1781 | if (rnp->qsmaskinit == rnp->qsmaskinitnext && | 1781 | if (rnp->qsmaskinit == rnp->qsmaskinitnext && |
| 1782 | !rnp->wait_blkd_tasks) { | 1782 | !rnp->wait_blkd_tasks) { |
| 1783 | /* Nothing to do on this leaf rcu_node structure. */ | 1783 | /* Nothing to do on this leaf rcu_node structure. */ |
| 1784 | raw_spin_unlock_irq_rcu_node(rnp); | 1784 | raw_spin_unlock_irq_rcu_node(rnp); |
| 1785 | spin_unlock(&rcu_state.ofl_lock); | 1785 | raw_spin_unlock(&rcu_state.ofl_lock); |
| 1786 | continue; | 1786 | continue; |
| 1787 | } | 1787 | } |
| 1788 | 1788 | ||
| @@ -1818,7 +1818,7 @@ static bool rcu_gp_init(void) | |||
| 1818 | } | 1818 | } |
| 1819 | 1819 | ||
| 1820 | raw_spin_unlock_irq_rcu_node(rnp); | 1820 | raw_spin_unlock_irq_rcu_node(rnp); |
| 1821 | spin_unlock(&rcu_state.ofl_lock); | 1821 | raw_spin_unlock(&rcu_state.ofl_lock); |
| 1822 | } | 1822 | } |
| 1823 | rcu_gp_slow(gp_preinit_delay); /* Races with CPU hotplug. */ | 1823 | rcu_gp_slow(gp_preinit_delay); /* Races with CPU hotplug. */ |
| 1824 | 1824 | ||
| @@ -3377,7 +3377,7 @@ void rcu_report_dead(unsigned int cpu) | |||
| 3377 | 3377 | ||
| 3378 | /* Remove outgoing CPU from mask in the leaf rcu_node structure. */ | 3378 | /* Remove outgoing CPU from mask in the leaf rcu_node structure. */ |
| 3379 | mask = rdp->grpmask; | 3379 | mask = rdp->grpmask; |
| 3380 | spin_lock(&rcu_state.ofl_lock); | 3380 | raw_spin_lock(&rcu_state.ofl_lock); |
| 3381 | raw_spin_lock_irqsave_rcu_node(rnp, flags); /* Enforce GP memory-order guarantee. */ | 3381 | raw_spin_lock_irqsave_rcu_node(rnp, flags); /* Enforce GP memory-order guarantee. */ |
| 3382 | rdp->rcu_ofl_gp_seq = READ_ONCE(rcu_state.gp_seq); | 3382 | rdp->rcu_ofl_gp_seq = READ_ONCE(rcu_state.gp_seq); |
| 3383 | rdp->rcu_ofl_gp_flags = READ_ONCE(rcu_state.gp_flags); | 3383 | rdp->rcu_ofl_gp_flags = READ_ONCE(rcu_state.gp_flags); |
| @@ -3388,7 +3388,7 @@ void rcu_report_dead(unsigned int cpu) | |||
| 3388 | } | 3388 | } |
| 3389 | rnp->qsmaskinitnext &= ~mask; | 3389 | rnp->qsmaskinitnext &= ~mask; |
| 3390 | raw_spin_unlock_irqrestore_rcu_node(rnp, flags); | 3390 | raw_spin_unlock_irqrestore_rcu_node(rnp, flags); |
| 3391 | spin_unlock(&rcu_state.ofl_lock); | 3391 | raw_spin_unlock(&rcu_state.ofl_lock); |
| 3392 | 3392 | ||
| 3393 | per_cpu(rcu_cpu_started, cpu) = 0; | 3393 | per_cpu(rcu_cpu_started, cpu) = 0; |
| 3394 | } | 3394 | } |
diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h index bfbf97a1c29d..703e19ff532d 100644 --- a/kernel/rcu/tree.h +++ b/kernel/rcu/tree.h | |||
| @@ -343,7 +343,7 @@ struct rcu_state { | |||
| 343 | const char *name; /* Name of structure. */ | 343 | const char *name; /* Name of structure. */ |
| 344 | char abbr; /* Abbreviated name. */ | 344 | char abbr; /* Abbreviated name. */ |
| 345 | 345 | ||
| 346 | spinlock_t ofl_lock ____cacheline_internodealigned_in_smp; | 346 | raw_spinlock_t ofl_lock ____cacheline_internodealigned_in_smp; |
| 347 | /* Synchronize offline with */ | 347 | /* Synchronize offline with */ |
| 348 | /* GP pre-initialization. */ | 348 | /* GP pre-initialization. */ |
| 349 | }; | 349 | }; |
