This flag indicates that the task will not use isolated page tables.
Signed-off-by: Willy Tarreau <[email protected]>
---
arch/x86/include/asm/thread_info.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/x86/include/asm/thread_info.h
b/arch/x86/include/asm/thread_info.h
index 0022333..2f92cf1 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -126,6 +126,14 @@ struct thread_info {
#define _TIF_X32 (1 << TIF_X32)
#define _TIF_FSCHECK (1 << TIF_FSCHECK)
+/* The following flags only exist on x86-64. We can't use the shift anymore
+ * due to C using signed ints by default and asm using unsigned longs.
+ */
+#ifdef CONFIG_X86_64
+# define TIF_NOPTI 32 /* disable PTI for this task */
+# define _TIF_NOPTI 0x0000000100000000
+#endif
+
/*
* work to do in syscall_trace_enter(). Also includes TIF_NOHZ for
* enter_from_user_mode()
--
1.7.12.1
