+ ptrace-remove-redudant-check-of-ifdef-ptrace_singlestep.patch added to -mm tree

+ ptrace-remove-redudant-check-of-ifdef-ptrace_singlestep.patch added to -mm tree

[Andrew Morton]

The patch titled
     Subject: ptrace: remove redudant check of #ifdef PTRACE_SINGLESTEP
has been added to the -mm tree.  Its filename is
     ptrace-remove-redudant-check-of-ifdef-ptrace_singlestep.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/ptrace-remove-redudant-check-of-ifdef-ptrace_singlestep.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/ptrace-remove-redudant-check-of-ifdef-ptrace_singlestep.patch

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------------------------------------------------------
From: Tiezhu Yang <yangtiezhu@loongson.cn>
Subject: ptrace: remove redudant check of #ifdef PTRACE_SINGLESTEP

Patch series "ptrace: do some cleanup".


This patch (of 3):

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

Link: https://lkml.kernel.org/r/1649240981-11024-2-git-send-email-yangtiezhu@loongson.cn
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 kernel/ptrace.c |    6 ------
 1 file changed, 6 deletions(-)

--- a/kernel/ptrace.c~ptrace-remove-redudant-check-of-ifdef-ptrace_singlestep
+++ a/kernel/ptrace.c
@@ -829,11 +829,7 @@ static long ptrace_get_rseq_configuratio
 }
 #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 *c
 	}
 #endif
 
-#ifdef PTRACE_SINGLESTEP
 	case PTRACE_SINGLESTEP:
-#endif
 #ifdef PTRACE_SINGLEBLOCK
 	case PTRACE_SINGLEBLOCK:
 #endif
_

Patches currently in -mm which might be from yangtiezhu@loongson.cn are

ptrace-remove-redudant-check-of-ifdef-ptrace_singlestep.patch
ptrace-fix-wrong-comment-of-pt_dtrace.patch
maintainers-remove-redundant-file-of-ptrace-support-entry.patch