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-rw-r--r--kernel/rcu/srcutree.c9
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));