From: Pavel Emelyanov <xemul@openvz.org>
Date: Tue, 5 Feb 2008 07:43:03 +0000 (-0800)
Subject: [IA64] make pfm_get_task work with virtual pids
X-Git-Tag: v2.6.25-rc1~785^2
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=e1b0d4ba46b42909d11ea152a6b56ee76f062ca3;p=linux.git

[IA64] make pfm_get_task work with virtual pids

This pid comes from user space, so treat it accordingly.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---

diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 48e560922be6..78acd9fe97e9 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -2654,11 +2654,11 @@ pfm_get_task(pfm_context_t *ctx, pid_t pid, struct task_struct **task)
 	/* XXX: need to add more checks here */
 	if (pid < 2) return -EPERM;
 
-	if (pid != current->pid) {
+	if (pid != task_pid_vnr(current)) {
 
 		read_lock(&tasklist_lock);
 
-		p = find_task_by_pid(pid);
+		p = find_task_by_vpid(pid);
 
 		/* make sure task cannot go away while we operate on it */
 		if (p) get_task_struct(p);