projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b700e7f0 SJ |
1 | /* |
| 2 | * livepatch.h - x86-specific Kernel Live Patching Core | |
| 3 | * | |
| 4 | * Copyright (C) 2014 Seth Jennings <sjenning@redhat.com> | |
| 5 | * Copyright (C) 2014 SUSE | |
| 6 | * | |
| 7 | * This program is free software; you can redistribute it and/or | |
| 8 | * modify it under the terms of the GNU General Public License | |
| 9 | * as published by the Free Software Foundation; either version 2 | |
| 10 | * of the License, or (at your option) any later version. | |
| 11 | * | |
| 12 | * This program is distributed in the hope that it will be useful, | |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | * GNU General Public License for more details. | |
| 16 | * | |
| 17 | * You should have received a copy of the GNU General Public License | |
| 18 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
| 19 | */ | |
| 20 | ||
| 21 | #ifndef _ASM_X86_LIVEPATCH_H | |
| 22 | #define _ASM_X86_LIVEPATCH_H | |
| 23 | ||
| 5d4351ba | 24 | #include <asm/setup.h> |
| b700e7f0 | 25 | #include <linux/module.h> |
| b5bfc517 | 26 | #include <linux/ftrace.h> |
| b700e7f0 | 27 | |
| b9dfe0be JK |
28 | static inline int klp_check_compiler_support(void) |
| 29 | { | |
| b700e7f0 | 30 | #ifndef CC_USING_FENTRY |
| b9dfe0be | 31 | return 1; |
| b700e7f0 | 32 | #endif |
| b9dfe0be JK |
33 | return 0; |
| 34 | } | |
| 4421f8f0 MB |
35 | int klp_write_module_reloc(struct module *mod, unsigned long type, |
| 36 | unsigned long loc, unsigned long value); | |
| b700e7f0 | 37 | |
| b5bfc517 LB |
38 | static inline void klp_arch_set_pc(struct pt_regs *regs, unsigned long ip) |
| 39 | { | |
| 40 | regs->ip = ip; | |
| 41 | } | |
| b700e7f0 SJ |
42 | |
| 43 | #endif /* _ASM_X86_LIVEPATCH_H */ |