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Diffstat (limited to 'kernel/resource.c')
-rw-r--r--kernel/resource.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/kernel/resource.c b/kernel/resource.c
index 4c5e80b92f2f..82ed54cd1f0d 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -1707,18 +1707,15 @@ static int strict_iomem_checks;
*
* Returns true if exclusive to the kernel, otherwise returns false.
*/
-bool iomem_is_exclusive(u64 addr)
+bool resource_is_exclusive(struct resource *root, u64 addr, resource_size_t size)
{
const unsigned int exclusive_system_ram = IORESOURCE_SYSTEM_RAM |
IORESOURCE_EXCLUSIVE;
bool skip_children = false, err = false;
- int size = PAGE_SIZE;
struct resource *p;
- addr = addr & PAGE_MASK;
-
read_lock(&resource_lock);
- for_each_resource(&iomem_resource, p, skip_children) {
+ for_each_resource(root, p, skip_children) {
if (p->start >= addr + size)
break;
if (p->end < addr) {
@@ -1757,6 +1754,12 @@ bool iomem_is_exclusive(u64 addr)
return err;
}
+bool iomem_is_exclusive(u64 addr)
+{
+ return resource_is_exclusive(&iomem_resource, addr & PAGE_MASK,
+ PAGE_SIZE);
+}
+
struct resource_entry *resource_list_create_entry(struct resource *res,
size_t extra_size)
{