1dnl # 2dnl # On certain architectures `__copy_from_user_inatomic` 3dnl # is a GPL exported variable and cannot be used by OpenZFS. 4dnl # 5 6dnl # 7dnl # Checking if `__copy_from_user_inatomic` is available. 8dnl # 9AC_DEFUN([ZFS_AC_KERNEL_SRC___COPY_FROM_USER_INATOMIC], [ 10 ZFS_LINUX_TEST_SRC([__copy_from_user_inatomic], [ 11 #include <linux/uaccess.h> 12 ], [ 13 int result __attribute__ ((unused)) = __copy_from_user_inatomic(NULL, NULL, 0); 14 ], [], [ZFS_META_LICENSE]) 15]) 16 17AC_DEFUN([ZFS_AC_KERNEL___COPY_FROM_USER_INATOMIC], [ 18 AC_MSG_CHECKING([whether __copy_from_user_inatomic is available]) 19 ZFS_LINUX_TEST_RESULT([__copy_from_user_inatomic_license], [ 20 AC_MSG_RESULT(yes) 21 ], [ 22 AC_MSG_RESULT(no) 23 AC_MSG_ERROR([ 24 *** The `__copy_from_user_inatomic()` Linux kernel function is 25 *** incompatible with the CDDL license and will prevent the module 26 *** linking stage from succeeding. OpenZFS cannot be compiled. 27 ]) 28 ]) 29]) 30