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-rw-r--r--arch/x86/include/asm/mmu.h4
-rw-r--r--arch/x86/include/asm/mpx.h4
2 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86/include/asm/mmu.h b/arch/x86/include/asm/mmu.h
index 72198c64e646..f9813b6d8b80 100644
--- a/arch/x86/include/asm/mmu.h
+++ b/arch/x86/include/asm/mmu.h
@@ -31,6 +31,10 @@ typedef struct {
u16 pkey_allocation_map;
s16 execute_only_pkey;
#endif
+#ifdef CONFIG_X86_INTEL_MPX
+ /* address of the bounds directory */
+ void __user *bd_addr;
+#endif
} mm_context_t;
#ifdef CONFIG_SMP
diff --git a/arch/x86/include/asm/mpx.h b/arch/x86/include/asm/mpx.h
index 7a35495275a9..0b416d4cf73b 100644
--- a/arch/x86/include/asm/mpx.h
+++ b/arch/x86/include/asm/mpx.h
@@ -59,7 +59,7 @@ siginfo_t *mpx_generate_siginfo(struct pt_regs *regs);
int mpx_handle_bd_fault(void);
static inline int kernel_managing_mpx_tables(struct mm_struct *mm)
{
- return (mm->bd_addr != MPX_INVALID_BOUNDS_DIR);
+ return (mm->context.bd_addr != MPX_INVALID_BOUNDS_DIR);
}
static inline void mpx_mm_init(struct mm_struct *mm)
{
@@ -67,7 +67,7 @@ static inline void mpx_mm_init(struct mm_struct *mm)
* NULL is theoretically a valid place to put the bounds
* directory, so point this at an invalid address.
*/
- mm->bd_addr = MPX_INVALID_BOUNDS_DIR;
+ mm->context.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);