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Diffstat (limited to 'arch/x86/mm/fault.c')
-rw-r--r--arch/x86/mm/fault.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 462f3e959..3b544e4c1 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -21,6 +21,7 @@
#include <asm/kmemcheck.h> /* kmemcheck_*(), ... */
#include <asm/fixmap.h> /* VSYSCALL_ADDR */
#include <asm/vsyscall.h> /* emulate_vsyscall */
+#include <asm/vm86.h> /* struct vm86 */
#define CREATE_TRACE_POINTS
#include <asm/trace/exceptions.h>
@@ -302,14 +303,16 @@ static inline void
check_v8086_mode(struct pt_regs *regs, unsigned long address,
struct task_struct *tsk)
{
+#ifdef CONFIG_VM86
unsigned long bit;
- if (!v8086_mode(regs))
+ if (!v8086_mode(regs) || !tsk->thread.vm86)
return;
bit = (address - 0xA0000) >> PAGE_SHIFT;
if (bit < 32)
- tsk->thread.screen_bitmap |= 1 << bit;
+ tsk->thread.vm86->screen_bitmap |= 1 << bit;
+#endif
}
static bool low_pfn(unsigned long pfn)