The patch titled
ptrace: remove PT_DTRACE from arch/m32r
has been added to the -mm tree. Its filename is
ptrace-remove-pt_dtrace-from-arch-m32r.patch
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: ptrace: remove PT_DTRACE from arch/m32r
From: Oleg Nesterov <oleg@xxxxxxxxxx>
m32r: PTRACE_SINGLESTEP sets PT_DTRACE, it is never used except cleared
after do_execve().
Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Hirokazu Takata <takata@xxxxxxxxxxxxxx>
Acked-by: Roland McGrath <roland@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/m32r/kernel/process.c | 5 -----
arch/m32r/kernel/ptrace.c | 4 ----
2 files changed, 9 deletions(-)
diff -puN arch/m32r/kernel/process.c~ptrace-remove-pt_dtrace-from-arch-m32r arch/m32r/kernel/process.c
--- a/arch/m32r/kernel/process.c~ptrace-remove-pt_dtrace-from-arch-m32r
+++ a/arch/m32r/kernel/process.c
@@ -302,11 +302,6 @@ asmlinkage int sys_execve(char __user *u
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 -puN arch/m32r/kernel/ptrace.c~ptrace-remove-pt_dtrace-from-arch-m32r arch/m32r/kernel/ptrace.c
--- a/arch/m32r/kernel/ptrace.c~ptrace-remove-pt_dtrace-from-arch-m32r
+++ a/arch/m32r/kernel/ptrace.c
@@ -676,10 +676,6 @@ arch_ptrace(struct task_struct *child, l
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);
_
Patches currently in -mm which might be from oleg@xxxxxxxxxx are
slow_work_thread-should-do-the-exclusive-wait.patch
rework-fix-is_single_threaded.patch
getrusage-fill-ru_maxrss-value.patch
ptrace-remove-pt_dtrace-from-arch-h8300.patch
ptrace-remove-pt_dtrace-from-avr32-mn10300-parisc-s390-sh-xtensa.patch
ptrace-remove-pt_dtrace-from-m68k-m68knommu.patch
ptrace-remove-pt_dtrace-from-arch-m32r.patch
signals-split-do_tkill.patch
signals-implement-sys_rt_tgsigqueueinfo.patch
x86-hookup-sys_rt_tgsigqueueinfo.patch
signals-tracehook_notify_jctl-change.patch
--
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