diff options
Diffstat (limited to 'arch/x86/include/asm/mpx.h')
| -rw-r--r-- | arch/x86/include/asm/mpx.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/include/asm/mpx.h b/arch/x86/include/asm/mpx.h index 05eecbf8a484..a952a13d59a7 100644 --- a/arch/x86/include/asm/mpx.h +++ b/arch/x86/include/asm/mpx.h @@ -51,6 +51,13 @@ #define MPX_BNDCFG_ADDR_MASK (~((1UL<<MPX_BNDCFG_TAIL)-1)) #define MPX_BNDSTA_ERROR_CODE 0x3 +#define MPX_BD_ENTRY_MASK ((1<<MPX_BD_ENTRY_OFFSET)-1) +#define MPX_BT_ENTRY_MASK ((1<<MPX_BT_ENTRY_OFFSET)-1) +#define MPX_GET_BD_ENTRY_OFFSET(addr) ((((addr)>>(MPX_BT_ENTRY_OFFSET+ \ + MPX_IGN_BITS)) & MPX_BD_ENTRY_MASK) << MPX_BD_ENTRY_SHIFT) +#define MPX_GET_BT_ENTRY_OFFSET(addr) ((((addr)>>MPX_IGN_BITS) & \ + MPX_BT_ENTRY_MASK) << MPX_BT_ENTRY_SHIFT) + #ifdef CONFIG_X86_INTEL_MPX siginfo_t *mpx_generate_siginfo(struct pt_regs *regs, struct xsave_struct *xsave_buf); @@ -67,6 +74,8 @@ static inline void mpx_mm_init(struct mm_struct *mm) */ mm->bd_addr = MPX_INVALID_BOUNDS_DIR; } +void mpx_notify_unmap(struct mm_struct *mm, struct vm_area_struct *vma, + unsigned long start, unsigned long end); #else static inline siginfo_t *mpx_generate_siginfo(struct pt_regs *regs, struct xsave_struct *xsave_buf) @@ -84,6 +93,11 @@ static inline int kernel_managing_mpx_tables(struct mm_struct *mm) static inline void mpx_mm_init(struct mm_struct *mm) { } +static inline void mpx_notify_unmap(struct mm_struct *mm, + struct vm_area_struct *vma, + unsigned long start, unsigned long end) +{ +} #endif /* CONFIG_X86_INTEL_MPX */ #endif /* _ASM_X86_MPX_H */ |