| dnl # |
| dnl # On certain architectures `__copy_from_user_inatomic` |
| dnl # is a GPL exported variable and cannot be used by OpenZFS. |
| dnl # |
| |
| dnl # |
| dnl # Checking if `__copy_from_user_inatomic` is available. |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC___COPY_FROM_USER_INATOMIC], [ |
| ZFS_LINUX_TEST_SRC([__copy_from_user_inatomic], [ |
| #include <linux/uaccess.h> |
| ], [ |
| int result __attribute__ ((unused)) = __copy_from_user_inatomic(NULL, NULL, 0); |
| ], [], [ZFS_META_LICENSE]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL___COPY_FROM_USER_INATOMIC], [ |
| AC_MSG_CHECKING([whether __copy_from_user_inatomic is available]) |
| ZFS_LINUX_TEST_RESULT([__copy_from_user_inatomic_license], [ |
| AC_MSG_RESULT(yes) |
| ], [ |
| AC_MSG_RESULT(no) |
| AC_MSG_ERROR([ |
| *** The `__copy_from_user_inatomic()` Linux kernel function is |
| *** incompatible with the CDDL license and will prevent the module |
| *** linking stage from succeeding. OpenZFS cannot be compiled. |
| ]) |
| ]) |
| ]) |
