/* * livepatch.h - x86-specific Kernel Live Patching Core * * Copyright (C) 2014 Seth Jennings <sjenning@redhat.com> * Copyright (C) 2014 SUSE * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #ifndef _ASM_X86_LIVEPATCH_H #define _ASM_X86_LIVEPATCH_H #include <asm/setup.h> #include <linux/ftrace.h> static inline int klp_check_compiler_support(void) { #ifndef CC_USING_FENTRY return 1; #endif return 0; } static inline void klp_arch_set_pc(struct pt_regs *regs, unsigned long ip) { regs->ip = ip; } #endif /* _ASM_X86_LIVEPATCH_H */