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rcu: Replace __this_cpu_ptr() uses with raw_cpu_ptr() 

__this_cpu_ptr is being phased out.

One special case is increment_cpu_stall_ticks().
A per cpu variable is incremented so use raw_cpu_inc().

Cc: Dipankar Sarma <dipankar@in.ibm.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
hifive-unleashed-5.1
Christoph Lameter 2014-04-15 12:20:12 -07:00 committed by Paul E. McKenney
parent 8c96ae1dfa
commit fa07a58f71
2 changed files with 5 additions and 5 deletions
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6
kernel/rcu/tree.c
View File

@ -2008,7 +2008,7 @@ rcu_send_cbs_to_orphanage(int cpu, struct rcu_state *rsp,
static void rcu_adopt_orphan_cbs(struct rcu_state *rsp, unsigned long flags)
{
int i;
struct rcu_data *rdp = __this_cpu_ptr(rsp->rda);
struct rcu_data *rdp = raw_cpu_ptr(rsp->rda);
/* No-CBs CPUs are handled specially. */
if (rcu_nocb_adopt_orphan_cbs(rsp, rdp, flags))
@ -2392,7 +2392,7 @@ __rcu_process_callbacks(struct rcu_state *rsp)
{
unsigned long flags;
bool needwake;
struct rcu_data *rdp = __this_cpu_ptr(rsp->rda);
struct rcu_data *rdp = raw_cpu_ptr(rsp->rda);
WARN_ON_ONCE(rdp->beenonline == 0);
@ -3066,7 +3066,7 @@ static void rcu_barrier_callback(struct rcu_head *rhp)
static void rcu_barrier_func(void *type)
{
struct rcu_state *rsp = type;
struct rcu_data *rdp = __this_cpu_ptr(rsp->rda);
struct rcu_data *rdp = raw_cpu_ptr(rsp->rda);
_rcu_barrier_trace(rsp, "IRQ", -1, rsp->n_barrier_done);
atomic_inc(&rsp->barrier_cpu_count);

4
kernel/rcu/tree_plugin.h
View File

@ -1809,7 +1809,7 @@ static void rcu_oom_notify_cpu(void *unused)
struct rcu_data *rdp;
for_each_rcu_flavor(rsp) {
rdp = __this_cpu_ptr(rsp->rda);
rdp = raw_cpu_ptr(rsp->rda);
if (rdp->qlen_lazy != 0) {
atomic_inc(&oom_callback_count);
rsp->call(&rdp->oom_head, rcu_oom_callback);
@ -1951,7 +1951,7 @@ static void increment_cpu_stall_ticks(void)
struct rcu_state *rsp;
for_each_rcu_flavor(rsp)
__this_cpu_ptr(rsp->rda)->ticks_this_gp++;
raw_cpu_inc(rsp->rda->ticks_this_gp);
}
#else /* #ifdef CONFIG_RCU_CPU_STALL_INFO */