From: "Joel Fernandes (Google)" <j...@joelfernandes.org>
This commit applies the consolidated list_for_each_entry_rcu() support
for lockdep conditions.
Acked-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
Signed-off-by: Joel Fernandes (Google) <j...@joelfernandes.org>
Signed-off-by: Paul E. McKenney <paul...@linux.ibm.com>
---
drivers/acpi/osl.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 9c0edf2fc0dd..2f9d0d20b836 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -14,6 +14,7 @@
#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/highmem.h>
+#include <linux/lockdep.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/kmod.h>
@@ -80,6 +81,7 @@ struct acpi_ioremap {
static LIST_HEAD(acpi_ioremaps);
static DEFINE_MUTEX(acpi_ioremap_lock);
+#define acpi_ioremap_lock_held() lock_is_held(&acpi_ioremap_lock.dep_map)
static void __init acpi_request_region (struct acpi_generic_address *gas,
unsigned int length, char *desc)
@@ -206,7 +208,7 @@ acpi_map_lookup(acpi_physical_address phys, acpi_size size)
{
struct acpi_ioremap *map;
- list_for_each_entry_rcu(map, &acpi_ioremaps, list)
+ list_for_each_entry_rcu(map, &acpi_ioremaps, list,
acpi_ioremap_lock_held())
if (map->phys <= phys &&
phys + size <= map->phys + map->size)
return map;
@@ -249,7 +251,7 @@ acpi_map_lookup_virt(void __iomem *virt, acpi_size size)
{
struct acpi_ioremap *map;
- list_for_each_entry_rcu(map, &acpi_ioremaps, list)
+ list_for_each_entry_rcu(map, &acpi_ioremaps, list,
acpi_ioremap_lock_held())
if (map->virt <= virt &&
virt + size <= map->virt + map->size)
return map;
--
2.17.1
