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-rw-r--r--include/asm-generic/thread_info_tif.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/include/asm-generic/thread_info_tif.h b/include/asm-generic/thread_info_tif.h
new file mode 100644
index 000000000000..ee3793e9b1a4
--- /dev/null
+++ b/include/asm-generic/thread_info_tif.h
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_GENERIC_THREAD_INFO_TIF_H_
+#define _ASM_GENERIC_THREAD_INFO_TIF_H_
+
+#include <vdso/bits.h>
+
+/* Bits 16-31 are reserved for architecture specific purposes */
+
+#define TIF_NOTIFY_RESUME 0 // callback before returning to user
+#define _TIF_NOTIFY_RESUME BIT(TIF_NOTIFY_RESUME)
+
+#define TIF_SIGPENDING 1 // signal pending
+#define _TIF_SIGPENDING BIT(TIF_SIGPENDING)
+
+#define TIF_NOTIFY_SIGNAL 2 // signal notifications exist
+#define _TIF_NOTIFY_SIGNAL BIT(TIF_NOTIFY_SIGNAL)
+
+#define TIF_MEMDIE 3 // is terminating due to OOM killer
+#define _TIF_MEMDIE BIT(TIF_MEMDIE)
+
+#define TIF_NEED_RESCHED 4 // rescheduling necessary
+#define _TIF_NEED_RESCHED BIT(TIF_NEED_RESCHED)
+
+#ifdef HAVE_TIF_NEED_RESCHED_LAZY
+# define TIF_NEED_RESCHED_LAZY 5 // Lazy rescheduling needed
+# define _TIF_NEED_RESCHED_LAZY BIT(TIF_NEED_RESCHED_LAZY)
+#endif
+
+#ifdef HAVE_TIF_POLLING_NRFLAG
+# define TIF_POLLING_NRFLAG 6 // idle is polling for TIF_NEED_RESCHED
+# define _TIF_POLLING_NRFLAG BIT(TIF_POLLING_NRFLAG)
+#endif
+
+#define TIF_USER_RETURN_NOTIFY 7 // notify kernel of userspace return
+#define _TIF_USER_RETURN_NOTIFY BIT(TIF_USER_RETURN_NOTIFY)
+
+#define TIF_UPROBE 8 // breakpointed or singlestepping
+#define _TIF_UPROBE BIT(TIF_UPROBE)
+
+#define TIF_PATCH_PENDING 9 // pending live patching update
+#define _TIF_PATCH_PENDING BIT(TIF_PATCH_PENDING)
+
+#ifdef HAVE_TIF_RESTORE_SIGMASK
+# define TIF_RESTORE_SIGMASK 10 // Restore signal mask in do_signal() */
+# define _TIF_RESTORE_SIGMASK BIT(TIF_RESTORE_SIGMASK)
+#endif
+
+#endif /* _ASM_GENERIC_THREAD_INFO_TIF_H_ */