From a4578bd0c8fb4309742bef9afb4c9bf4c0ca75e9 Mon Sep 17 00:00:00 2001
From: jistone <jistone>
Date: Mon, 12 Dec 2005 22:19:12 +0000
Subject: 2005-12-12  Josh Stone  <joshua.i.stone@intel.com>

        * tapset/context.stp (execname,pid,tid,ppid,pexecname,gid,egid,uid,euid):
        Removed in_interrupt checks and other pointer checks.  We now operate on
        the assumption that "current" and its related data are always valid.
---
 tapset/context.stp | 45 +++++++++------------------------------------
 1 file changed, 9 insertions(+), 36 deletions(-)

(limited to 'tapset/context.stp')

diff --git a/tapset/context.stp b/tapset/context.stp
index 0075150d..56740db3 100644
--- a/tapset/context.stp
+++ b/tapset/context.stp
@@ -30,66 +30,39 @@ function backtrace:string () %{
 %}
 
 function execname:string () %{
-	if (unlikely(in_interrupt()))
-		strlcpy (THIS->__retvalue, "<unknown>", MAXSTRINGLEN);
-	else
-		strlcpy (THIS->__retvalue, current->comm, MAXSTRINGLEN);
+	strlcpy (THIS->__retvalue, current->comm, MAXSTRINGLEN);
 %}
 
 function pid:long () %{
-	if (unlikely(in_interrupt()))
-		THIS->__retvalue = 0;
-	else
-		THIS->__retvalue = current->tgid;
+	THIS->__retvalue = current->tgid;
 %}
 
 function tid:long () %{
-	if (unlikely(in_interrupt()))
-		THIS->__retvalue = 0;
-	else
-		THIS->__retvalue = current->pid;
+	THIS->__retvalue = current->pid;
 %}
 
 function ppid:long () %{
-	if (unlikely(in_interrupt() || !current->parent))
-		THIS->__retvalue = 0;
-	else
-		THIS->__retvalue = current->parent->tgid;
+	THIS->__retvalue = current->parent->tgid;
 %}
 
 function pexecname:string () %{
-	if(unlikely(in_interrupt() || !current->parent || !current->parent->comm))
-		strlcpy (THIS->__retvalue, "<unknown>", MAXSTRINGLEN);
-	else
-		strlcpy (THIS->__retvalue, current->parent->comm, MAXSTRINGLEN);
+	strlcpy (THIS->__retvalue, current->parent->comm, MAXSTRINGLEN);
 %}
 
 function gid:long () %{
-	if(unlikely(in_interrupt()))
-		THIS->__retvalue = 0;
-	else
-		THIS->__retvalue = current->gid;		
+	THIS->__retvalue = current->gid;		
 %}
 
 function egid:long () %{
-	if(unlikely(in_interrupt()))
-		THIS->__retvalue = 0;
-	else
-		THIS->__retvalue = current->egid;		
+	THIS->__retvalue = current->egid;		
 %}
 
 function uid:long () %{
-	if(unlikely(in_interrupt()))
-		THIS->__retvalue = 0;
-	else
-		THIS->__retvalue = current->uid;		
+	THIS->__retvalue = current->uid;		
 %}
 
 function euid:long () %{
-	if(unlikely(in_interrupt()))
-		THIS->__retvalue = 0;
-	else
-		THIS->__retvalue = current->euid;		
+	THIS->__retvalue = current->euid;		
 %}
 
 
-- 
cgit