diff options
Diffstat (limited to 'arch/x86/include/asm/espfix.h')
| -rw-r--r-- | arch/x86/include/asm/espfix.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/include/asm/espfix.h b/arch/x86/include/asm/espfix.h new file mode 100644 index 000000000..6777480d8 --- /dev/null +++ b/arch/x86/include/asm/espfix.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_X86_ESPFIX_H +#define _ASM_X86_ESPFIX_H + +#ifdef CONFIG_X86_ESPFIX64 + +#include <asm/percpu.h> + +DECLARE_PER_CPU_READ_MOSTLY(unsigned long, espfix_stack); +DECLARE_PER_CPU_READ_MOSTLY(unsigned long, espfix_waddr); + +extern void init_espfix_bsp(void); +extern void init_espfix_ap(int cpu); +#else +static inline void init_espfix_ap(int cpu) { } +#endif + +#endif /* _ASM_X86_ESPFIX_H */ |