[4.14.66-rt TEST PATCH 1/3] irqchip/gic-v3-its: Make its_lock a raw_spin_lock_t

From: Grygorii Strashko
Date: Fri Aug 31 2018 - 15:20:27 EST


Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
---
drivers/irqchip/irq-gic-v3-its.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index c564443..0b691d1 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -154,7 +154,7 @@ static struct {
} vpe_proxy;

static LIST_HEAD(its_nodes);
-static DEFINE_SPINLOCK(its_lock);
+static DEFINE_RAW_SPINLOCK(its_lock);
static struct rdists *gic_rdists;
static struct irq_domain *its_parent;

@@ -1854,7 +1854,7 @@ static void its_cpu_init_collection(void)
struct its_node *its;
int cpu;

- spin_lock(&its_lock);
+ raw_spin_lock(&its_lock);
cpu = smp_processor_id();

list_for_each_entry(its, &its_nodes, entry) {
@@ -1896,7 +1896,7 @@ static void its_cpu_init_collection(void)
its_send_invall(its, &its->collections[cpu]);
}

- spin_unlock(&its_lock);
+ raw_spin_unlock(&its_lock);
}

static struct its_device *its_find_device(struct its_node *its, u32 dev_id)
@@ -3109,9 +3109,9 @@ static int __init its_probe_one(struct resource *res,
if (err)
goto out_free_tables;

- spin_lock(&its_lock);
+ raw_spin_lock(&its_lock);
list_add(&its->entry, &its_nodes);
- spin_unlock(&its_lock);
+ raw_spin_unlock(&its_lock);

return 0;

--
2.10.5