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Commit e1b0d4ba authored by Pavel Emelyanov's avatar Pavel Emelyanov Committed by Tony Luck
Browse files

[IA64] make pfm_get_task work with virtual pids 



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

Signed-off-by: default avatarPavel Emelyanov <xemul@openvz.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 620de2f5

arch/ia64/kernel/perfmon.c

+2 −2
Original line number Diff line number Diff line
@@ -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);