linux/arch/s390/kernel/rethook.h

/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __S390_RETHOOK_H
#define __S390_RETHOOK_H

unsigned long arch_rethook_trampoline_callback(struct pt_regs *regs);

#endif
s390/rethook: add local rethook header file Compiling the kernel with CONFIG_KPROBES disabled, but CONFIG_RETHOOK enabled, results in this sparse warning: arch/s390/kernel/rethook.c:26:15: warning: no previous prototype for 'arch_rethook_trampoline_callback' [-Wmissing-prototypes] 26 \| unsigned long arch_rethook_trampoline_callback(struct pt_regs *regs) \| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Add a local rethook header file similar to riscv to address this. Reported-by: kernel test robot <lkp@intel.com> Fixes: 1a280f48c0e4 ("s390/kprobes: replace kretprobe with rethook") Link: https://lore.kernel.org/all/202302030102.69dZIuJk-lkp@intel.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com> 2023-02-02 21:36:07 +01:00			`/* SPDX-License-Identifier: GPL-2.0-only */`
			`#ifndef __S390_RETHOOK_H`
			`#define __S390_RETHOOK_H`

			`unsigned long arch_rethook_trampoline_callback(struct pt_regs *regs);`

			`#endif`