diff options
Diffstat (limited to 'kernel/rcu/srcutree.c')
| -rw-r--r-- | kernel/rcu/srcutree.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c index ca4b5dcec675..16953784a0bd 100644 --- a/kernel/rcu/srcutree.c +++ b/kernel/rcu/srcutree.c @@ -726,7 +726,7 @@ static void srcu_gp_start(struct srcu_struct *ssp) int state; if (smp_load_acquire(&ssp->srcu_size_state) < SRCU_SIZE_WAIT_BARRIER) - sdp = per_cpu_ptr(ssp->sda, 0); + sdp = per_cpu_ptr(ssp->sda, get_boot_cpu_id()); else sdp = this_cpu_ptr(ssp->sda); lockdep_assert_held(&ACCESS_PRIVATE(ssp, lock)); @@ -837,7 +837,8 @@ static void srcu_gp_end(struct srcu_struct *ssp) /* Initiate callback invocation as needed. */ ss_state = smp_load_acquire(&ssp->srcu_size_state); if (ss_state < SRCU_SIZE_WAIT_BARRIER) { - srcu_schedule_cbs_sdp(per_cpu_ptr(ssp->sda, 0), cbdelay); + srcu_schedule_cbs_sdp(per_cpu_ptr(ssp->sda, get_boot_cpu_id()), + cbdelay); } else { idx = rcu_seq_ctr(gpseq) % ARRAY_SIZE(snp->srcu_have_cbs); srcu_for_each_node_breadth_first(ssp, snp) { @@ -1161,7 +1162,7 @@ static unsigned long srcu_gp_start_if_needed(struct srcu_struct *ssp, idx = __srcu_read_lock_nmisafe(ssp); ss_state = smp_load_acquire(&ssp->srcu_size_state); if (ss_state < SRCU_SIZE_WAIT_CALL) - sdp = per_cpu_ptr(ssp->sda, 0); + sdp = per_cpu_ptr(ssp->sda, get_boot_cpu_id()); else sdp = raw_cpu_ptr(ssp->sda); spin_lock_irqsave_sdp_contention(sdp, &flags); @@ -1497,7 +1498,7 @@ void srcu_barrier(struct srcu_struct *ssp) idx = __srcu_read_lock_nmisafe(ssp); if (smp_load_acquire(&ssp->srcu_size_state) < SRCU_SIZE_WAIT_BARRIER) - srcu_barrier_one_cpu(ssp, per_cpu_ptr(ssp->sda, 0)); + srcu_barrier_one_cpu(ssp, per_cpu_ptr(ssp->sda, get_boot_cpu_id())); else for_each_possible_cpu(cpu) srcu_barrier_one_cpu(ssp, per_cpu_ptr(ssp->sda, cpu)); |