diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/s390/include/asm/livepatch.h |
Initial import
Diffstat (limited to 'arch/s390/include/asm/livepatch.h')
-rw-r--r-- | arch/s390/include/asm/livepatch.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/s390/include/asm/livepatch.h b/arch/s390/include/asm/livepatch.h new file mode 100644 index 000000000..7aa799134 --- /dev/null +++ b/arch/s390/include/asm/livepatch.h @@ -0,0 +1,43 @@ +/* + * livepatch.h - s390-specific Kernel Live Patching Core + * + * Copyright (c) 2013-2015 SUSE + * Authors: Jiri Kosina + * Vojtech Pavlik + * Jiri Slaby + */ + +/* + * 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. + */ + +#ifndef ASM_LIVEPATCH_H +#define ASM_LIVEPATCH_H + +#include <linux/module.h> + +#ifdef CONFIG_LIVEPATCH +static inline int klp_check_compiler_support(void) +{ + return 0; +} + +static inline int klp_write_module_reloc(struct module *mod, unsigned long + type, unsigned long loc, unsigned long value) +{ + /* not supported yet */ + return -ENOSYS; +} + +static inline void klp_arch_set_pc(struct pt_regs *regs, unsigned long ip) +{ + regs->psw.addr = ip; +} +#else +#error Live patching support is disabled; check CONFIG_LIVEPATCH +#endif + +#endif |