[PATCH 9/12] ia64: make pfm_get_task work with virtual pids
From: Pavel Emelyanov
Date: Tue Jan 29 2008 - 09:02:38 EST
This pid comes from user space, so treat it accordingly.
Signed-off-by: Pavel Emelyanov <xemul@xxxxxxxxxx>
---
arch/ia64/kernel/perfmon.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 73e7c2e..da1cff0 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);
--
1.5.3.4
--
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