[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 48e560922be64ba60cc2d04001a37153d1f814ea..78acd9fe97e98263b0cfc431d9b37a71aa594a19 100644 (file)
--- 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);