From 48597760fad3d6a3e30a14241a3ce5ccb1a0e9bc Mon Sep 17 00:00:00 2001 From: Oleg Nesterov Date: Wed, 17 Jun 2009 16:27:27 -0700 Subject: [PATCH] ptrace: remove PT_DTRACE from arch/m32r m32r: PTRACE_SINGLESTEP sets PT_DTRACE, it is never used except cleared after do_execve(). Signed-off-by: Oleg Nesterov Acked-by: Hirokazu Takata Acked-by: Roland McGrath Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/m32r/kernel/process.c | 5 ----- arch/m32r/kernel/ptrace.c | 4 ---- 2 files changed, 9 deletions(-) diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c index 3e876f0baebc..67a01e1e4283 100644 --- a/arch/m32r/kernel/process.c +++ b/arch/m32r/kernel/process.c @@ -302,11 +302,6 @@ asmlinkage int sys_execve(char __user *ufilename, char __user * __user *uargv, goto out; error = do_execve(filename, uargv, uenvp, ®s); - if (error == 0) { - task_lock(current); - current->ptrace &= ~PT_DTRACE; - task_unlock(current); - } putname(filename); out: return error; diff --git a/arch/m32r/kernel/ptrace.c b/arch/m32r/kernel/ptrace.c index 9aa615d3a5b2..bf0abe9e1f73 100644 --- a/arch/m32r/kernel/ptrace.c +++ b/arch/m32r/kernel/ptrace.c @@ -676,10 +676,6 @@ arch_ptrace(struct task_struct *child, long request, long addr, long data) if (!valid_signal(data)) break; clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - if ((child->ptrace & PT_DTRACE) == 0) { - /* Spurious delayed TF traps may occur */ - child->ptrace |= PT_DTRACE; - } /* Compute next pc. */ pc = get_stack_long(child, PT_BPC); -- 2.20.1