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Diffstat (limited to 'arch/x86/include/asm/livepatch.h')
| -rw-r--r-- | arch/x86/include/asm/livepatch.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/x86/include/asm/livepatch.h b/arch/x86/include/asm/livepatch.h new file mode 100644 index 000000000..ed80003ce --- /dev/null +++ b/arch/x86/include/asm/livepatch.h @@ -0,0 +1,40 @@ +/* + * 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 */ |