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Diffstat (limited to 'arch/i386')
-rw-r--r--arch/i386/kernel/entry.S11
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/i386/kernel/entry.S b/arch/i386/kernel/entry.S
index 8713e0248a0..e8d2630fd19 100644
--- a/arch/i386/kernel/entry.S
+++ b/arch/i386/kernel/entry.S
@@ -83,6 +83,12 @@ VM_MASK = 0x00020000
#define resume_kernel restore_nocheck
#endif
+#ifdef CONFIG_VM86
+#define resume_userspace_sig check_userspace
+#else
+#define resume_userspace_sig resume_userspace
+#endif
+
#define SAVE_ALL \
cld; \
pushl %es; \
@@ -211,6 +217,7 @@ ret_from_exception:
preempt_stop
ret_from_intr:
GET_THREAD_INFO(%ebp)
+check_userspace:
movl EFLAGS(%esp), %eax # mix EFLAGS and CS
movb CS(%esp), %al
testl $(VM_MASK | 3), %eax
@@ -415,7 +422,7 @@ work_notifysig: # deal with pending signals and
# vm86-space
xorl %edx, %edx
call do_notify_resume
- jmp resume_userspace
+ jmp resume_userspace_sig
ALIGN
work_notifysig_v86:
@@ -428,7 +435,7 @@ work_notifysig_v86:
movl %eax, %esp
xorl %edx, %edx
call do_notify_resume
- jmp resume_userspace
+ jmp resume_userspace_sig
#endif
# perform syscall exit tracing