userspace: restrict k_object_access_all_grant()
This is too powerful for user mode, the other access APIs
require explicit permissions on the threads that are being
granted access.
The API is no longer exposed as a system call and hence will
only be usable by supervisor threads.
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
diff --git a/include/kernel.h b/include/kernel.h
index 0e4b7b5..7bc2397 100644
--- a/include/kernel.h
+++ b/include/kernel.h
@@ -212,7 +212,7 @@
ARG_UNUSED(thread);
}
-static inline void _impl_k_object_access_all_grant(void *object)
+static inline void k_object_access_all_grant(void *object)
{
ARG_UNUSED(object);
}
@@ -259,7 +259,7 @@
*
* @param object Address of kernel object
*/
-__syscall void k_object_access_all_grant(void *object);
+void k_object_access_all_grant(void *object);
/* timeouts */
diff --git a/kernel/userspace.c b/kernel/userspace.c
index 68c0eaa..324d257 100644
--- a/kernel/userspace.c
+++ b/kernel/userspace.c
@@ -211,7 +211,7 @@
}
}
-void _impl_k_object_access_all_grant(void *object)
+void k_object_access_all_grant(void *object)
{
struct _k_object *ko = _k_object_find(object);
diff --git a/kernel/userspace_handler.c b/kernel/userspace_handler.c
index 77a4751..8840e8b 100644
--- a/kernel/userspace_handler.c
+++ b/kernel/userspace_handler.c
@@ -58,14 +58,3 @@
return 0;
}
-
-_SYSCALL_HANDLER(k_object_access_all_grant, object)
-{
- struct _k_object *ko;
-
- ko = validate_any_object((void *)object);
- _SYSCALL_VERIFY_MSG(ko, "object %p access denied", (void *)object);
- ko->flags |= K_OBJ_FLAG_PUBLIC;
-
- return 0;
-}
