/usr/src/linux-headers-5.15.0-181/arch/ia64/include/asm
Edit: /usr/src/linux-headers-5.15.0-181/arch/ia64/include/asm/irq_remapping.h (142B)
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __IA64_INTR_REMAPPING_H
#define __IA64_INTR_REMAPPING_H
#define irq_remapping_enabled 0
#endif