[PATCH 0/3] ptrace: do some cleanup

[PATCH 0/3] ptrace: do some cleanup

[Tiezhu Yang]

Tiezhu Yang (3):
  ptrace: Remove redudant check of #ifdef PTRACE_SINGLESTEP
  ptrace: Fix wrong comment of PT_DTRACE
  MAINTAINERS: Remove redundant file of PTRACE SUPPORT entry

 MAINTAINERS            | 1 -
 include/linux/ptrace.h | 2 +-
 kernel/ptrace.c        | 6 ------
 3 files changed, 1 insertion(+), 8 deletions(-)

-- 
2.1.0

[PATCH 1/3] ptrace: Remove redudant check of #ifdef PTRACE_SINGLESTEP

[Tiezhu Yang]

PTRACE_SINGLESTEP is always defined as 9 in include/uapi/linux/ptrace.h,
remove redudant check of #ifdef PTRACE_SINGLESTEP.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
---
 kernel/ptrace.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index ccc4b46..49c29ba 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -829,11 +829,7 @@ static long ptrace_get_rseq_configuration(struct task_struct *task,
 }
 #endif
 
-#ifdef PTRACE_SINGLESTEP
 #define is_singlestep(request)		((request) == PTRACE_SINGLESTEP)
-#else
-#define is_singlestep(request)		0
-#endif
 
 #ifdef PTRACE_SINGLEBLOCK
 #define is_singleblock(request)		((request) == PTRACE_SINGLEBLOCK)
@@ -1221,9 +1217,7 @@ int ptrace_request(struct task_struct *child, long request,
 	}
 #endif
 
-#ifdef PTRACE_SINGLESTEP
 	case PTRACE_SINGLESTEP:
-#endif
 #ifdef PTRACE_SINGLEBLOCK
 	case PTRACE_SINGLEBLOCK:
 #endif
-- 
2.1.0

[PATCH 2/3] ptrace: Fix wrong comment of PT_DTRACE

[Tiezhu Yang]

PT_DTRACE is only used on um now, fix the wrong comment.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
---
 include/linux/ptrace.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index 15b3d17..db45095 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -30,7 +30,7 @@ extern int ptrace_access_vm(struct task_struct *tsk, unsigned long addr,
 
 #define PT_SEIZED	0x00010000	/* SEIZE used, enable new behavior */
 #define PT_PTRACED	0x00000001
-#define PT_DTRACE	0x00000002	/* delayed trace (used on m68k, i386) */
+#define PT_DTRACE	0x00000002	/* delayed trace (used on um) */
 
 #define PT_OPT_FLAG_SHIFT	3
 /* PT_TRACE_* event enable flags */
-- 
2.1.0

[PATCH 3/3] MAINTAINERS: Remove redundant file of PTRACE SUPPORT entry

[Tiezhu Yang]

In MAINTAINERS PTRACE SUPPORT entry, the file include/uapi/linux/ptrace.h
is redundant, remove it.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
---
 MAINTAINERS | 1 -
 1 file changed, 1 deletion(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index fd768d4..881e3ea 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -15959,7 +15959,6 @@ F:	include/asm-generic/syscall.h
 F:	include/linux/ptrace.h
 F:	include/linux/regset.h
 F:	include/uapi/linux/ptrace.h
-F:	include/uapi/linux/ptrace.h
 F:	kernel/ptrace.c
 
 PULSE8-CEC DRIVER
-- 
2.1.0