Patch "ARC: Implement ptrace(PTRACE_GET_THREAD_AREA)" has been added to the 3.10-stable tree

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This is a note to let you know that I've just added the patch titled

    ARC: Implement ptrace(PTRACE_GET_THREAD_AREA)

to the 3.10-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     arc-implement-ptrace-ptrace_get_thread_area.patch
and it can be found in the queue-3.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From a4b6cb735b25aa84a462a1985e3e43bebaf5beb4 Mon Sep 17 00:00:00 2001
From: Anton Kolesov <Anton.Kolesov@xxxxxxxxxxxx>
Date: Fri, 20 Jun 2014 20:28:39 +0400
Subject: ARC: Implement ptrace(PTRACE_GET_THREAD_AREA)

From: Anton Kolesov <Anton.Kolesov@xxxxxxxxxxxx>

commit a4b6cb735b25aa84a462a1985e3e43bebaf5beb4 upstream.

This patch adds implementation of GET_THREAD_AREA ptrace request type. This
is required by GDB to debug NPTL applications.

Signed-off-by: Anton Kolesov <Anton.Kolesov@xxxxxxxxxxxx>
Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 arch/arc/include/uapi/asm/ptrace.h |    1 +
 arch/arc/kernel/ptrace.c           |    4 ++++
 2 files changed, 5 insertions(+)

--- a/arch/arc/include/uapi/asm/ptrace.h
+++ b/arch/arc/include/uapi/asm/ptrace.h
@@ -11,6 +11,7 @@
 #ifndef _UAPI__ASM_ARC_PTRACE_H
 #define _UAPI__ASM_ARC_PTRACE_H
 
+#define PTRACE_GET_THREAD_AREA	25
 
 #ifndef __ASSEMBLY__
 /*
--- a/arch/arc/kernel/ptrace.c
+++ b/arch/arc/kernel/ptrace.c
@@ -136,6 +136,10 @@ long arch_ptrace(struct task_struct *chi
 	pr_debug("REQ=%ld: ADDR =0x%lx, DATA=0x%lx)\n", request, addr, data);
 
 	switch (request) {
+	case PTRACE_GET_THREAD_AREA:
+		ret = put_user(task_thread_info(child)->thr_ptr,
+			       (unsigned long __user *)data);
+		break;
 	default:
 		ret = ptrace_request(child, request, addr, data);
 		break;


Patches currently in stable-queue which might be from Anton.Kolesov@xxxxxxxxxxxx are

queue-3.10/arc-implement-ptrace-ptrace_get_thread_area.patch
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