From e1b0d4ba46b42909d11ea152a6b56ee76f062ca3 Mon Sep 17 00:00:00 2001
From: Pavel Emelyanov <xemul@openvz.org>
Date: Mon, 4 Feb 2008 23:43:03 -0800
Subject: [PATCH] [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>
---
arch/ia64/kernel/perfmon.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 48e560922be..78acd9fe97e 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);
--
2.41.3