| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| H. Peter Anvin | 20b6853 | 2014-05-02 11:33:51 -0700 | [diff] [blame] | 2 | #ifndef _ASM_X86_ESPFIX_H |
| H. Peter Anvin | e1fe9ed | 2014-05-01 14:12:23 -0700 | [diff] [blame] | 3 | #define _ASM_X86_ESPFIX_H |
| 4 | |
| Thomas Gleixner | 613e396 | 2017-12-17 10:56:29 +0100 | [diff] [blame] | 5 | #ifdef CONFIG_X86_ESPFIX64 |
| H. Peter Anvin | e1fe9ed | 2014-05-01 14:12:23 -0700 | [diff] [blame] | 6 | |
| 7 | #include <asm/percpu.h> |
| 8 | |
| 9 | DECLARE_PER_CPU_READ_MOSTLY(unsigned long, espfix_stack); |
| 10 | DECLARE_PER_CPU_READ_MOSTLY(unsigned long, espfix_waddr); |
| 11 | |
| 12 | extern void init_espfix_bsp(void); |
| Zhu Guihua | 1db8756 | 2015-07-03 17:37:18 +0800 | [diff] [blame] | 13 | extern void init_espfix_ap(int cpu); |
| Thomas Gleixner | 613e396 | 2017-12-17 10:56:29 +0100 | [diff] [blame] | 14 | #else |
| 15 | static inline void init_espfix_ap(int cpu) { } |
| 16 | #endif |
| H. Peter Anvin | e1fe9ed | 2014-05-01 14:12:23 -0700 | [diff] [blame] | 17 | |
| 18 | #endif /* _ASM_X86_ESPFIX_H */ |