[PATCH v5 06/15] livepatch/s390: reorganize TIF thread flag bits

Josh Poimboeuf jpoimboe at redhat.com
Tue Feb 14 12:42:33 AEDT 2017


From: Jiri Slaby <jslaby at suse.cz>

Group the TIF thread flag bits by their inclusion in the _TIF_WORK and
_TIF_TRACE macros.

Signed-off-by: Jiri Slaby <jslaby at suse.cz>
Signed-off-by: Josh Poimboeuf <jpoimboe at redhat.com>
Reviewed-by: Miroslav Benes <mbenes at suse.cz>
---
 arch/s390/include/asm/thread_info.h | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index a5b54a4..4977668 100644
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -51,14 +51,12 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src);
 /*
  * thread information flags bit numbers
  */
+/* _TIF_WORK bits */
 #define TIF_NOTIFY_RESUME	0	/* callback before returning to user */
 #define TIF_SIGPENDING		1	/* signal pending */
 #define TIF_NEED_RESCHED	2	/* rescheduling necessary */
-#define TIF_SYSCALL_TRACE	3	/* syscall trace active */
-#define TIF_SYSCALL_AUDIT	4	/* syscall auditing active */
-#define TIF_SECCOMP		5	/* secure computing */
-#define TIF_SYSCALL_TRACEPOINT	6	/* syscall tracepoint instrumentation */
-#define TIF_UPROBE		7	/* breakpointed or single-stepping */
+#define TIF_UPROBE		3	/* breakpointed or single-stepping */
+
 #define TIF_31BIT		16	/* 32bit process */
 #define TIF_MEMDIE		17	/* is terminating due to OOM killer */
 #define TIF_RESTORE_SIGMASK	18	/* restore signal mask in do_signal() */
@@ -66,15 +64,23 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src);
 #define TIF_BLOCK_STEP		20	/* This task is block stepped */
 #define TIF_UPROBE_SINGLESTEP	21	/* This task is uprobe single stepped */
 
+/* _TIF_TRACE bits */
+#define TIF_SYSCALL_TRACE	24	/* syscall trace active */
+#define TIF_SYSCALL_AUDIT	25	/* syscall auditing active */
+#define TIF_SECCOMP		26	/* secure computing */
+#define TIF_SYSCALL_TRACEPOINT	27	/* syscall tracepoint instrumentation */
+
 #define _TIF_NOTIFY_RESUME	_BITUL(TIF_NOTIFY_RESUME)
 #define _TIF_SIGPENDING		_BITUL(TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED	_BITUL(TIF_NEED_RESCHED)
+#define _TIF_UPROBE		_BITUL(TIF_UPROBE)
+
+#define _TIF_31BIT		_BITUL(TIF_31BIT)
+#define _TIF_SINGLE_STEP	_BITUL(TIF_SINGLE_STEP)
+
 #define _TIF_SYSCALL_TRACE	_BITUL(TIF_SYSCALL_TRACE)
 #define _TIF_SYSCALL_AUDIT	_BITUL(TIF_SYSCALL_AUDIT)
 #define _TIF_SECCOMP		_BITUL(TIF_SECCOMP)
 #define _TIF_SYSCALL_TRACEPOINT	_BITUL(TIF_SYSCALL_TRACEPOINT)
-#define _TIF_UPROBE		_BITUL(TIF_UPROBE)
-#define _TIF_31BIT		_BITUL(TIF_31BIT)
-#define _TIF_SINGLE_STEP	_BITUL(TIF_SINGLE_STEP)
 
 #endif /* _ASM_THREAD_INFO_H */
-- 
2.7.4



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